Emerson Type Mr105 Direct Operated Pressure Reducing Regulators Instruction Manual
2015-03-30
: Emerson Emerson-Type-Mr105-Direct-Operated-Pressure-Reducing-Regulators-Instruction-Manual-681495 emerson-type-mr105-direct-operated-pressure-reducing-regulators-instruction-manual-681495 emerson pdf
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Type MR105 Instruction Manual Form 5874 December 2014 Type MR105 Direct-Operated Pressure Reducing Regulators Contents Introduction .................................................................. 2 Specifications .............................................................. 2 Principle of Operation .................................................. 3 Installation ................................................................... 4 Overpressure Protection.............................................. 8 Startup ......................................................................... 8 Adjustment................................................................... 9 Shutdown..................................................................... 9 Maintenance .............................................................. 10 Parts List.................................................................... 16 ! WARNINg Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion, fire and/or chemical contamination causing property damage and personal injury or death. Fisher® regulators must be installed, operated and maintained in accordance with federal, state and local codes, rules and regulations and Emerson Process Management Regulator Technologies, Inc. (Emerson™) instructions. If the regulator vents gas or a leak develops in the system, service to the unit may be required. Failure to correct trouble could result in a hazardous condition. TYPE MR105 WITH HIgH-PRESSURE ACTUATOR P1205 TYPE MR105 WITH LOW-PRESSURE ACTUATOR Figure 1. Type MR105 Direct-Operated Pressure Reducing Regulators adjustment and unsafe operation. Either condition may result in equipment damage or personal injury. Call a qualified personnel when installing, operating and maintaining the Type MR105 regulator. D103246X012 Installation, operation and maintenance procedures performed by unqualified personnel may result in improper P1204 www.fisherregulators.com Type MR105 Specifications The Specifications section on this page provides the ratings and other specifications for the Type MR105. The following information is stamped on the nameplate fastened on the regulator at the factory: type; body size; maximum inlet, outlet and differential pressure; maximum pressure above setpoint; maximum casing pressure; maximum temperature; spring range; cage type; and trim and diaphragm material. Body Sizes and End Connection Styles See Table 1 Shutoff Classification Per ANSI/FCI 70-3-2004 Class VI (Soft Seat) Maximum Inlet, Outlet and Emergency Casing Pressures(1) See Table 3 Outlet Pressure Ranges(1) 5 to 300 psig / 0.34 to 20.7 bar; see Table 2 Maximum Setpoint(1) Low-Pressure Actuator: 43 psig / 3.0 bar High-Pressure Actuator: Nitrile (NBR) and Ethylene Propylene (EPDM) Diaphragm: 300 psig / 20.7 bar Fluorocarbon (FKM) Diaphragm: 150 psig / 10.3 bar Maximum Pressure Over Setpoint to Avoid Internal Parts Damage(1) Low-Pressure Actuator: 20 psig / 1.4 bar High-Pressure Actuator: 120 psig / 8.3 bar Maximum Differential Pressures(1) See Table 4 Temperature Capabilities(1) Nitrile (NBR): -20 to 180°F / -29 to 82°C Fluorocarbon (FKM)(2): 20 to 250°F / -7 to 121°C Ethylene Propylene (EPDM)(3): -20 to 225°F / -29 to 107°C Flow and Sizing Coefficients See Table 5 Pressure Registration External Downstream Control Line Connection Size 1/2 NPT Spring Case Vent Type Y602-12 Pressure-Loaded Spring Case Vent 1/2 NPT Approximate Weights For Type MR105 with Low-Pressure Actuator NPS 1 / DN 25 : 86 lbs / 39 kg NPS 2 / DN 50: 116 lbs / 53 kg NPS 3 / DN 80: 165 lbs / 75 kg NPS 4 / DN 100: 174 lbs / 79 kg For Type MR105 with High-Pressure Actuator NPS 1 / DN 25: 76 lbs / 34 kg NPS 2 / DN 50: 105 lbs / 48 kg NPS 3 / DN 80: 155 lbs / 70 kg NPS 4 / DN 100: 164 lbs / 74 kg Options • Visual Travel Indicator • Drain Valve • Pressure-Loaded Actuator • NACE Construction • Bleed Valve (for High-Pressure Actuator Only) • Ethylene Propylene (EPDM) Elastomer Trim Parts 1. The pressure/temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded. 2. Fluorocarbon (FKM) is limited to 200°F / 93°C in hot water. 3. Ethylene Propylene (EPDM) is limited to 20 to 250°F / -7 to 121°C when used with Low Pressure Actuator. ! Warning To avoid possible personal injury, equipment damage or leakage due to escaping fluid do not stand on or apply an external load to the actuator or any part of the regulator while working around the regulator. Note To avoid cavitation, it is recommended that the customer follow the capacity sizing guidelines found in Bulletin 71.1:MR105. 2 Introduction Scope of the Manual This instruction manual provides installation, adjustment, maintenance and parts ordering information for Type MR105 direct-operated pressure reducing regulators. Description The Type MR105 direct-operated pressure reducing regulators are high capacity multi-purpose regulators. They are designed to handle pressures up to 400 psig / Type MR105 Table 1. Body Size and End Connection Style end connection style Body Size BODY MATERIAL NPS 1 and 2 / DN 25 and 50 NPT, CL125 FF or CL250 RF NPT, CL150 RF, CL300 RF, CL600 RF or PN 16/25/40 RF NPT, CL150 RF, CL300 RF, CL600 RF or PN 16/25/40 RF NPT, CL150 RF, CL300 RF, CL600 RF or PN 16/25/40 RF Cast Iron WCC Steel(1)(2) CF8M Stainless Steel(1)(2) CF3M Stainless Steel(1)(2) NPS 3 and 4 / DN 80 and 100 CL125 FF or CL250 RF CL150 RF, CL300 RF, CL600 RF or PN 16 RF CL150 RF, CL300 RF, CL600 RF or PN 16 RF CL150 RF, CL300 RF, CL600 RF or PN 16 RF 1. Optional NACE construction available. 2. Constructions meet API 614 requirements. Table 2. Outlet Pressure Range NPS 1 and 2 / DN 25 and 50 Body Size Spring Range Actuator Type Low Pressure High Pressure psig 5 to 12 10 to 24 14 to 32 18 to 43 25 to 60(1) 43 to 100 75 to 175(2) 110 to 300(2) Spring Range Actuator Type Low Pressure High Pressure bar 0.34 to 0.83 0.69 to 1.6 0.96 to 2.2 1.2 to 3.0 1.7 to 4.1(1) 3.0 to 6.9 5.2 to 12.1(2) 7.6 to 20.7(2) Spring Part Number Spring Color Code Spring Wire Diameter In. GE42909X012 White 0.437 GE42910X012 Silver 0.500 GE42911X012 Orange 0.562 GE43002X012 Red 0.625 GE42907X012 Green 0.375 GE42909X012 White 0.437 GE42910X012 Silver 0.500 GE42911X012 Orange 0.562 NPS 3 and 4 / DN 80 and 100 BODY SIZE Spring Part Number Spring Color Code White psig 5 to 8 bar 0.34 to 0.55 GE42909X012 mm 11.1 12.7 14.3 15.9 9.52 11.1 12.7 14.3 Spring Wire Diameter In. 0.437 mm 11.1 8 to 20 0.55 to 1.4 GE42910X012 Silver 0.500 12.7 12 to 30 18 to 39 39 to 72 71 to 175(2) 0.83 to 2.1 1.2 to 2.7 2.7 to 5.0 4.9 to 12.1(2) GE42911X012 GE43002X012 GE42909X012 GE42910X012 Orange Red White Silver 0.562 0.625 0.437 0.500 14.3 15.9 11.1 12.7 110 to 250(2) 7.6 to 17.2(2) GE42911X012 Orange 0.562 14.3 Spring Free Length In. 9.70 mm Maximum Pressure Over Setpoint to Avoid Internal Parts Damage psig bar 20 1.4 120 8.3 246 Spring Free Length In. mm 9.70 246 Maximum Pressure Over Setpoint to Avoid Internal Parts Damage psig bar 20 1.4 120 8.3 1. NPS 2 / DN 50 body size spring range is limited to 45 psig / 3.1 bar. 2. Maximum setpoint is limited to 150 psig / 10.3 bar for constructions with Fluorocarbon (FKM) diaphragm. 27.6 bar and temperatures up to 250°F / 121°C. Large multi-purpose regulators provide fast, simple, reliable and economical pressure control for a number of applications and are suitable for different flow media such as liquid, air and gas. In addition, the drain valve option allows you to drain the system without expensive spool pieces saving you time and space. Also, the bleed valve option allows you to purge the air trapped underneath the diaphragm when the high-pressure regulator is installed in the upright position. Typical applications include lube oil, cooling water and natural gas district stations. ! Warning Escaping process fluid from an open bleed valve may result in regulator damage, personal injury and property damage. To avoid such injury and damage, make certain the bleed valve (if used) is properly closed after venting air or equivalent. Always open bleed valves slowly. These valves contain no packing, so some fluid weepage will occur when the valves are opened. Operating personnel must protect themselves from exposure to system fluids or equivalent. Principle of Operation The Type MR105 is a direct-operated pressure reducing regulator. Downstream pressure is registered externally through a 1/2 NPT control line tapped in the bonnet (for low-pressure actuator, see Figure 2) or in the lower diaphragm casing (for high-pressure actuator, see Figure 3). When downstream demand decreases, the pressure under the actuator diaphragm increases. This pressure overcomes the regulator setting (which is set by the regulator control spring). Through the action of the actuator stem and valve spring, the valve plug moves closer to the seat ring and reduces the flow. When demand downstream increases, pressure under the actuator diaphragm decreases. Spring force pushes the actuator stem downward, the valve plug moves away from the seat ring and the flow increases 3 Type MR105 VALVE SPRING VALVE PLUG CAGE seat ring TYPE Y602-12 VENT 1/2 NPT CONTROL LINE CONNECTION actuator stem DIAPHRAGM TYPE Y602-12 VENT POINTED DOWN OR 1/2 NPT PRESSURE-LOADED SPRING CASE VENT ACTUATOR CONTROL SPRING M1178 INLET PRESSURE OUTLET PRESSURE ATMOSPHERIC PRESSURE Figure 2. Type MR105 with Low-Pressure Actuator Operational Schematic downstream as the regulator opens in response to the decreased pressure underneath the diaphragm. The downward motion of the plug allows flow through the cage into the downstream system. Increased downstream pressure permits the regulator to close. The combination of valve spring force and valve plug unbalance provides positive valve plug shutoff against the port and upper seals. Installation ! Warning Personal injury or system damage may result if this regulator is installed, without appropriate overpressure protection, where service conditions could exceed the limits given in the Specifications section and/or regulator nameplate. Refer to Overpressure 4 Protection section for recommendations on how to prevent service conditions from exceeding those limits. Additionally, physical damage to the regulator may result in personal injury or property damage due to escaping of accumulated gas. To avoid such injury and damage, install the regulator in a safe location. All vents should be kept open to permit free flow of gas to the atmosphere. Protect openings against entrance of rain, snow, insects or any other foreign material that may plug the vent or vent line. On outdoor installations, point the spring case vent downward to allow condensate to drain. Under enclosed conditions or indoors, escaping gas may accumulate and be an explosion hazard. In these cases, the vent should be piped away from the regulator to the outdoors. Type MR105 VALVE SPRING VALVE PLUG CAGE seat ring TYPE Y602-12 VENT actuator stem 1/2 NPT CONTROL LINE CONNECTION ACTUATOR DIAPHRAGM TYPE Y602-12 VENT POINTED DOWN OR 1/2 NPT PRESSURE-LOADED SPRING CASE VENT CONTROL SPRING M1181 INLET PRESSURE OUTLET PRESSURE ATMOSPHERIC PRESSURE Figure 3. Type MR105 with High-Pressure Actuator Operational Schematic Table 3. Maximum Inlet, Outlet and Emergency Casing Pressure(1) Body Material Cast Iron WCC steel CF8M Stainless steel CF3M Stainless steel end connection NPT CL125 FF CL250 RF NPT CL150 RF CL300 RF CL600 RF PN 16 RF PN 16/25/40 RF NPT CL150 RF CL300 RF CL600 RF PN 16 RF PN 16/25/40 RF NPT CL150 RF CL300 RF CL600 RF PN 16 RF PN 16/25/40 RF Maximum Inlet Pressure psig 340 175 400 400 245 bar 23.4 12.1 27.6 27.6 16.9 400 27.6 245 400 400 225 16.9 27.6 27.6 15.5 400 27.6 225 400 400 185 15.5 27.6 27.6 12.7 400 27.6 185 400 12.7 27.6 Maximum Outlet Pressure Low-Pressure Actuator psig bar 70 4.8 70 4.8 70 70 4.8 4.8 Maximum Emergency Casing Pressure High-Pressure Actuator(2) psig bar 340 23.4 175 12.1 400 27.6 400 27.6 245 16.9 400 27.6 245 400 400 225 16.9 27.6 27.6 15.5 400 27.6 225 400 400 185 15.5 27.6 27.6 12.7 400 27.6 185 400 12.7 27.6 Low-Pressure Actuator psig bar 70 4.8 70 4.8 70 70 4.8 4.8 High-Pressure Actuator(2) psig bar 340 23.4 175 12.1 400 27.6 400 27.6 245 16.9 400 27.6 245 400 400 225 16.9 27.6 27.6 15.5 400 27.6 225 400 400 185 15.5 27.6 27.6 12.7 400 27.6 185 400 12.7 27.6 1. Based on a maximum temperature of 250°F / 121°C. 2. Maximum outlet and emergency casing pressures for constructions with Fluorocarbon (FKM) diaphragm are limited to 230 psig / 15.8 bar or the body rating limit, whichever is lower. 5 Type MR105 Note To avoid premature wear of internal parts, it is recommended that the actuator be oriented up or down in liquid service as shown in Figures 2 and 3. General Installation Instructions Vertical installation with the actuator installed directly above or below the main valve is recommended but for optimal performance the actuator should be installed below the main valve. The use of a bleed valve is recommended for liquid installations that require the high pressure actuator to be mounted above the main valve. The unit will operate in horizontal installations with the actuator on the side, however, this could result in premature wear of parts. Make sure that flow will be in the same direction as that indicated by the body arrow. Orientation of the two vents should always be down. Vents may be rotated after regulator installation so that the vent screens are down. restrictor (key 75) pipe bushing (key 76) Before installing the regulator: • Check for damage which might have occurred during shipment. • Check for and remove any dirt or foreign material which may have accumulated in the regulator body. • Blow out any debris, dirt or copper sulfate in the tubing and the pipeline. • Apply pipe compound to the external threads of the pipe before installing the regulator. • Make sure gas flow through the regulator is in the same direction as the arrow on the body. “Inlet” and “Outlet” connections are clearly marked. Note A linear cage is recommended for applications where low flow stability is a concern but it will limit the overall capacity of the regulator. Note For proper regulator control and operation, make certain the flow arrow on the body matches the flow direction. Note Contact appropriate Emerson™ representative prior to removing or modifying restrictor (if used) in sense 6 Figure 4. Type MR105 with High-Pressure Actuator and Restrictor Option line. Improper adjustment to restrictor can lead to instability in pressure reducing regulator. Note Restrictor is intended for use on liquid applications with high-pressure actuator. Refer to Figure 4. caution This regulator can be installed in a pit, which is prone to flooding. The vents of the spring case and lower diaphragm casing (High-Pressure Actuator) or bonnet (Low-Pressure Actuator) should be above the expected flood level or vent lines should be installed to terminate above the water level so that they are exposed to atmospheric pressure. Type MR105 Table 4. Maximum Differential Pressure NPS 1 2 3 4 1 2 3 4 Low Pressure High Pressure MAXIMUM DIFFERENTIAL PRESSURE BODY SIZE ACTUATOR TYPE Gas Service (Linear Cage) DN 25 50 80 100 25 50 80 100 psid bar d 400 or maximum inlet pressure, whichever is lower 27.6 or maximum inlet pressure, whichever is lower 400 or maximum inlet pressure, whichever is lower 27.6 or maximum inlet pressure, whichever is lower Liquid Service (Quick Opening Cage) psid 200 200 225 225 250 200 225 250 bar d 13.6 13.6 15.5 15.5 17.2 13.6 15.5 17.2 Table 5. Wide-Open Flow and IEC Sizing Coefficient LINEAR CAGE Body Size Wide-Open Flow Coefficient Line Size Equals Body Size NPS DN Cg CV 1 2 3 4 25 50 80 100 463 761 997 934 13.7 22.5 30.5 27.5 Body Size Wide-Open Flow Coefficient Line Size Equals Body Size NPS DN Cg CV 1 2 3 4 25 50 80 100 597 1740 3540 4300 17.5 48.2 103.1 135.9 Body Size Wide-Open Flow Coefficient Line Size Equals Body Size NPS DN Cg CV 2 50 1570 43.8 IEC Sizing Coefficient C1 Km 34.0 0.81 33.8 0.75 32.7 0.78 34.0 0.77 QUICK OPENING CAGE FL XT Fd 0.90 0.87 0.88 0.88 0.73 0.72 0.68 0.75 0.36 0.24 0.22 0.18 XT Fd 0.73 0.82 0.75 0.65 0.43 0.34 0.32 0.30 IEC Sizing Coefficient C1 Km FL 34.1 0.81 0.90 36.1 0.81 0.90 34.4 0.76 0.87 31.6 0.72 0.85 REDUCED PORT QUICK OPENING CAGE IEC Sizing Coefficient C1 Km FL XT Fd 35.9 0.81 0.90 0.72 0.36 Installation Location • The installed regulator should be adequately protected from vehicular traffic and damage from other external sources. • Install the regulator with the vent pointed vertically down, see Figures 2 and 3. If the vent cannot be installed in a vertically down position, the regulator must be installed under a separate protective cover. Installing the regulator with the vent down allows condensation to drain, minimizes the entry of water or other debris through the vent and minimizes vent blockage from freezing precipitation. • Do not install the Type MR105 in a location where there can be excessive water accumulation or ice formation, such as directly beneath a downspout, gutter or roof line of a building. Even a protective hood may not provide adequate protection in these instances. • Install the regulator so that any gas discharge through the vent or vent assembly is over 3 ft / 0.9 m away from any building opening. • Periodically check all vent openings to be sure that they are not plugged. caution To protect against precipitation, make certain that the vents are oriented such that the opening does not allow precipitation to enter vents. Regulators Subjected to Heavy Snow Conditions Some installations, such as in areas with heavy snowfall, may require a hood or enclosure to protect the regulator from snow load and vent freeze over. 7 Type MR105 ! Warning Personal injury, equipment damage or leakage due to escaping fluid may result if the bonnet (key 61, Low-Pressure Actuator) or lower diaphragm casing (key 62, High-Pressure Actuator) is backed off or loosened when installing control line. Downstream Control Line Installation The Type MR105 regulator requires a downstream control line for proper pressure control. A 1/2 NPT control line connection is located on the bonnet (for low-pressure actuator, see Figure 2) or on the lower diaphragm casing (for high-pressure actuator, see Figure 3). For high-pressure actuator with Quick Opening Cage (liquid service), pipe bushing (key 76) and restrictor (key 75) should be installed in the 1/2 NPT control line connection (see Figure 4). Connect the downstream control line tubing to the bonnet or lower casing and run the tubing approximately 20 in. / 0.5 m downstream. For best results, the outer diameter of the control line tubing should be 3/8 in. / 9.5 mm or larger. Vent Line Installation Type MR105 regulators have a 1/2 NPT vent opening on the spring case. When installed inside a building or if it is necessary to vent escaping gas away from the regulator, install a remote vent line in the spring case tapping. Vent piping should be as short and direct as possible with a minimum number of bends and elbows. The remote vent line should be at least 1/2 in./13 mm outer diameter tubing or 1/2 NPT pipe. Remove the Type Y602-12 vent and the pipe bushing (key 76, Figure 6) and attach the vent line at this location. The other end of the vent line should be located outside with a screened vent (Type Y602-12 vent connector). The Type Y602-12 vent connector should be pointed down and protected as described in the Installation Location section. Overpressure Protection ! Warning Personal injury, equipment damage or leakage due to escaping accumulated 8 gas or bursting of pressure-containing parts may result if this regulator is: • Overpressured; • Used with incompatible process fluid; • Installed where service conditions could exceed the limits given in the Specifications section and on the appropriate nameplate; or • Where conditions exceed any ratings of adjacent piping or piping connections. To avoid such injury or damage, provide pressure-relieving or pressure-limiting devices to prevent service conditions from exceeding those limits. Type MR105 regulators have an outlet pressure rating lower than the inlet pressure rating. The recommended pressure limitations are stamped on the regulator nameplate. Some type of overpressure protection is needed if the actual inlet pressure can exceed the maximum operating outlet pressure rating. Overpressuring any portion of the regulators beyond the limits in the Specifications section may cause leakage, damage to regulator parts or personal injury due to bursting of pressurecontaining parts. Provide an external overpressure protection if inlet pressure will be high enough to damage downstream equipment. Common methods of external overpressure protection include relief valves, monitoring regulators, shut-off devices and series regulation. If the regulator is exposed to an overpressure condition, it should be inspected for any damage that may have occurred. Regulator operation below the limits specified in the Specifications section and regulator nameplate does not preclude the possibility of damage from external sources or from debris in the pipeline. Startup ! Warning To avoid possible personal injury, equipment damage or leakage due to escaping fluid, make certain the regulator is installed as instructed in the Installation section. Pressure gauges must always be used to monitor downstream pressure during Startup. Type MR105 1. Check that proper installation is completed and downstream equipment has been properly adjusted. 2. Make sure all block and vent valves are closed. 3. Slowly open the valves in the following order: a. Loading supply and control line valve(s), if used b. Inlet shut-off valve c. Outlet shut-off valve 1/4 NPT drain valve (KEY 82) 4. If the regulator has the bleed valve option, slowly open valve to allow air to escape from lower casing. Once fluid starts to bleed out, close valve. 1/8 NPT INLET BLEED VALVE (KEY 85) caution The regulator is factory-set as specified on the order or at the midpoint of the spring range. The allowable spring range is stamped on the nameplate. If a pressure setting other than the one specified is desired, be sure to change the pressure setting by following the Adjustment procedure. 5. If resetting setpoint, then set the regulator to the desired outlet pressure according to the Adjustment procedure. Adjustment Key numbers are referenced in Figure 6. ! Warning Personal injury, equipment damage or leakage due to escaping fluid may result if adjusting screw (key 73) and jam nut (key 72) are not installed properly. Also, main spring (key 68) may go solid resulting in the regulator not locking up if jam nut is not installed and adjusting screw is adjusted completely down. The factory setting of the regulator can be varied within the pressure range stamped on the nameplate. To change the outlet pressure, loosen the jam nut (key 72) using a hand wrench (not an impact gun), turn the adjusting screw (key 73) clockwise to increase outlet pressure setting or counterclockwise Figure 5. Type MR105 with High Pressure Actuator, Drain Valve and Bleed Valve Option to decrease it. Monitor the outlet pressure with a test gauge during the adjustment. Tighten the jam nut to maintain the desired setting. All regulator springs can be backed off to provide zero outlet. Recommended outlet pressure ranges available and color codes of the control springs are shown in the Specifications section and in Table 2. Shutdown ! Warning Personal injury, equipment damage or leakage due to escaping fluid may result if needle valves are used to isolate the pressure reducing regulator. It is strongly recommended that block valves be used to properly isolate the regulator from system. Escaping process fluid from an open drain valve (see Figure 5) may result in regulator damage, personal injury and property damage. To avoid such injury 9 Type MR105 and damage, make certain the drain valve (if used) is properly closed after bleeding process fluid. 1. Isolate the regulator from the system in steps 2 and 3. 2. Close the upstream shut-off valve to the regulator inlet. 3. Close the downstream shut-off valve to the regulator outlet. ! Warning To avoid personal injury or damage of internal parts from a pressure-loaded actuator, carefully vent the regulator spring case pressure prior to outlet pressure. 4. If the actuator is pressure loaded, vent the loading pressure slowly to release pressure in the spring case. Note To avoid internal damage due to reverse pressurization of main valve components, make certain pressure reducing regulator outlet pressure is bled prior to inlet pressure. 5. Slowly open the downstream vent valve to vent downstream pressure. 6. Leave the downstream vent valve open to vent inlet pressure and to release all remaining pressure in the regulator. 7. If the regulator has the drain valve option, slowly open valve to drain fluid inside valve body. Make sure to close valve after fluid has been drained. Maintenance ! Warning Personal injury, equipment damage or leakage due to escaping fluid may result if seals are not properly lubricated or maintained. Due to normal part wear or damage that may occur from external sources, this regulator should be inspected and maintained periodically. The frequency of inspection, maintenance and replacement of parts depend upon the severity of service 10 conditions or the requirements of local, state and federal regulations. Regulators that have been disassembled for repair must be tested for proper operation before being returned to service. Only parts manufactured by Emerson™ should be used for repairing Fisher® regulators. Restart gas utilization equipment according to normal start-up procedures. Note To protect against reduced performance, make certain vents are not plugged when conducting routine maintenance. Annual Maintenance The stem O-rings on the Type MR105 actuator can be lubricated during regularly scheduled maintenance, using the grease fitting (key 44). Stem O-rings can be checked for damage during normal operation. If line pressure leakage or unexpected grease extrusion from the actuator vent (key 26) is observed the stem O-ring needs to be replaced. Change Nameplate Be certain that the nameplates are updated to accurately indicate any field changes in equipment, materials, service conditions or pressure settings. Disassembly ! Warning To avoid personal injury resulting from sudden release of pressure, isolate the regulator from all pressure and cautiously release trapped pressure from the regulator before attempting disassembly. Failure to properly follow maintenance installation procedures when replacing parts could result in regulator damage, personal injury and property damage from escaping process fluid or regulators separation during testing or after reinstallation in the pipe line. Instructions are given below for the disassembly of Type MR105 pressure reducing regulators. Suitable lubricants are indicated on the assembly drawings. Type MR105 Table 6. Type MR105 Product Assembly Torque TORQUE NPS 1 / DN 25 Body Size part name and Key Number NPS 2 / DN 50 Body Size NPS 3 / DN 80 Body Size NPS 4 / DN 100 Body Size FT-LB N•m FT-LB N•m FT-LB N•m FT-LB N•m Body Flange Studs and Nuts (keys 3 and 29) 75 to 95 102 to 129 50 to 65 68 to 88 100 to 130 136 to 176 160 to 210 217 to 285 Lower Indicator Fitting (key 5) 90 to 130 122 to 176 90 to 130 122 to 176 90 to 130 122 to 176 90 to 130 122 to 176 Indicator Plug (key 27) 90 to 130 122 to 176 90 to 130 122 to 176 90 to 130 122 to 176 90 to 130 122 to 176 Indicator Fitting (key 35) 60 to 90 81 to 122 60 to 90 81 to 122 60 to 90 81 to 122 60 to 90 81 to 122 Actuator Stem Jam Nuts (key 48) 12 to 14 16 to 19 12 to 14 16 to 19 12 to 14 16 to 19 12 to 14 16 to 19 Low Pressure: Actuator Flange Cap Screws and Nuts (keys 57 and 58) 27 to 29 37 to 39 27 to 29 37 to 39 27 to 29 37 to 39 27 to 29 37 to 39 High Pressure: Actuator Flange Studs and Nuts (keys 57 and 58) 45 to 55 61 to 75 45 to 55 61 to 75 45 to 55 61 to 75 45 to 55 61 to 75 Bonnet and Spring Case Spacer Cap Screws (key 65) 10 to 12 14 to 16 10 to 12 14 to 16 10 to 12 14 to 16 10 to 12 14 to 16 Spring Case Cap Screws (key 67) 25 to 28 34 to 38 25 to 28 34 to 38 25 to 28 34 to 38 25 to 28 34 to 38 Note: All studs, screws and nuts shall be lubricated. All final torque values shall be verified with a calibrated torque wrench. Table 7. Type MR105 Trim Weight body size NPS DN 1 2 trim weight with travel indicator LB kg 25 9 50 15 3 80 4 100 trim weight without travel indicator LB kg 4.1 8 3.6 6.8 14 6.4 30 14 28 13 49 22 48 22 Apply the lubricants as the regulator is being reassembled. All O-rings, gaskets and seals should be lubricated with a good grade of general-purpose lubricant and installed gently rather than forced into position. Refer to Table 6 for torque specifications. Refer to Figure 6 while servicing Type MR105 regulators. Replacing Travel Indicator Assembly If the trim parts are replaced, the travel indicator should also be replaced. The Quick Change Travel Indicator Kit includes a travel indicator assembly, including all necessary elastomers for the travel indicator. The elastomer repair kit does not contain the elastomeric components for the travel indicator assembly. 1. Remove the travel indicator assembly by removing the lower indicator fitting (key 5) from the body flange (key 2). 2. Coat the threads of the lower indicator fitting (key 5) with a good grade of general-purpose lubricant. 3. Install the travel indicator assembly; torque the lower indicator fitting (key 5) to 90 to 130 ft-lbs / 122 to 176 N•m. 4. Check indicator zeroing by unscrewing the indicator protector (key 19) and seeing if the flange of the flanged nut (key 22) lines up evenly with the closed mark on the indicator scale (key 18). If not, remove the indicator scale and separate the flanged nut and hex nut (key 8). Hold the indicator scale against the indicator fitting (key 35) with the scale base resting against the smallest shoulder of the fitting and turn the flanged nut until its flange is aligned with the closed scale marking. Then lock both nuts against each other and install the indicator scale and protector. Replacing Trim Parts Perform this procedure when inspecting, cleaning or replacing individual trim package parts. caution All disassembly, trim change and reassembly steps in this section may be performed with the regulator in the main line. The trim for NPS 3 and 4 / DN 80 and 100 is heavy (see Table 7) and may be awkward to remove or reinstall in some valve/pipeline orientations. Follow your company policy for lifting and handling heavy parts. Note Access to the valve spring (key 9) and travel indicator parts in step 1 can be gained without removing the body flange (key 2). 11 Type MR105 1. Remove the lower indicator fitting (key 5) and attached parts. Proceed to step 5 if only maintenance on the indicator fitting or attached parts is performed. 2. Loosen the hex nuts (key 29) and stud bolts (key 3) and remove the body flange (key 2) from the valve body (key 1). 3. Use the valve body (key 1) as a holding fixture if desired. Flip the body flange (key 2) over and anchor it on the valve body. 4. To gain access to the port seal (key 12), upper seal (key 15) or valve plug (key 16) part, unscrew the seat ring (key 13) from the cage (key 11) and the cage from the body flange (key 2). To remove the piston ring (key 14) and/or plug O-ring (key 20), remove the valve plug (key 16) from the body flange, insert a screwdriver into the pre-cut fold over area of the piston ring and unfold the piston ring. Proceed to step 6 if no further maintenance is necessary. 5. To replace the body flange (key 2) or gain access to the valve spring (key 9), indicator stem (key 10), stem O-ring (key 7), spring seat (key 28) or E-ring (key 23), remove the indicator protector (key 19) and indicator scale (key 18). Since some compression is left in the spring, carefully remove the flanged nut (key 22) and hex nut (key 8). A screwdriver may be inserted through the O-ring retainer (key 6) to remove the stem O-ring without removing the retainer. If necessary, unclip the E-ring from the indicator stem. 6. Replace and lubricate parts such as the gasket (key 4) and cage O-ring (key 17) as necessary. If the port and upper seals (keys 12 and 15) were removed, install them in their retaining slots with the grooved sides facing out. Also lubricate any other surfaces as necessary for ease of installation. No further main valve maintenance is necessary if just the lower indicator fitting (key 5) and attached parts were removed. 7. Install the plug O-ring (key 20) and piston ring (key 14) onto the valve plug (key 16). Insert the valve plug into the body flange (key 2), install the cage (key 11) plus upper seal (key 15) and cage O-ring (key 17) into the body flange and then install the seat ring (key 13) plus port seal (key 12) into the cage. Apply a thin coating of lubricant to seals for protection during assembly. Use the valve body as a holding fixture during this step and insert a wrench handle (or similar tool) into the seat ring slots for leverage when tightening the seat ring and cage. 12 8. Remove the upside-down body flange (key 2) if it was anchored on the body (key 1). Coat the cage seating surfaces of the valve body web and the body flange seating surfaces of the valve body neck with a good grade of generalpurpose lubricant. ! Warning Personal injury, equipment damage or leakage due to escaping fluid may result if regulator bolts are not tightened to proper load. Always tighten bolts in an alternating pattern. 9. Install the body flange (key 2) on the body (key 1) and secure it evenly using the stud bolts (key 3) and nuts (key 29). Tighten to the torque value specified in Table 6. 10. Make sure that the lower indicator fitting and stem O-rings (keys 21 and 7) and O-ring retainer (key 6) are installed in the lower indicator fitting (key 5). Install the spring seat (key 28) and attach it with the E-ring (key 23) to the slotted end of the indicator stem (key 10). Install the valve spring (key 9). 11. Being careful not to cut the stem O-ring (key 7) with the stem threads, install the lower indicator fitting (key 5) down over the indicator stem (key 10) until resting on the valve spring (key 9). Install the hex nut (key 8) and then the flanged nut (key 22) on the indicator stem, pushing on the fitting if necessary to provide sufficient stem thread exposure. To maintain clearance for indicator part installation, compress the spring seat (key 28) by turning the hex nut (key 8) down on the stem until the threads bottom. 12. Install the lower indicator fitting (key 5) with attached parts into the body flange (key 2). Back off the hex nut (key 8) until the valve spring (key 9) completely closes the valve plug (key 16) against the port and upper seals (keys 12 and 15), as indicated by stem threads showing between the hex nut (key 8) and indicator fitting (key 35). Hold the indicator scale (key 18) against the indicator fitting with the scale base resting against the smallest shoulder of the indicator fitting and turn the flanged nut (key 22) until its flange is aligned with the closed scale marking. Then lock both nuts against each other and install the indicator scale and protector (keys 18 and 19). Type MR105 Actuator Maintenance Perform this procedure if it is desired to inspect or replace the diaphragm or other internal parts or if it is desired to change the outlet pressure range of the regulator by changing the control spring. ! Warning To avoid possible personal injury from spring or pressure-loaded actuator, make certain the adjusting screw is completely backed off or the spring case pressure is vented prior to disassembly. Otherwise, the spring load or loading pressure could forcefully eject the spring case. Replacing Main Spring 1. Loosen the jam nut (key 72). If pressure-loaded actuator is used, remove also the sealing washer (key 71). Using a hand wrench (not an impact gun), unscrew the adjusting screw (key 73) and remove it from the spring case (key 70). 2. Loosen and remove the cap screws (key 67) and lift off the spring case (key 70) from the spring case spacer (key 66 for Low-Pressure Actuator), upper casing welding assembly (key 87 for Low-Pressure Pressure-Loaded Actuator) or upper diaphragm casing (key 63 for High-Pressure Actuator). 3. Remove the upper spring seat (key 69) and control spring (key 68). Replace the control spring if desired. 4. For pressure-loaded actuator, replace the upper casing welding assembly top O-ring (Low-Pressure Actuator) or upper diaphragm casing O-ring (HighPressure Actuator) (key 64) if necessary. Install the new O-ring in the groove on the top surface of the upper casing welding assembly (key 87) for Low-Pressure Actuator or upper diaphragm casing (key 63) for High-Pressure Actuator. If spring (key 68) and spring case spacer/upper diaphragm casing O-ring (key 64) replacement has been completed and no further maintenance in the actuator and its internal parts is necessary, proceed to step 23 for Low-Pressure Actuator or step 20 for High-Pressure Actuator. For Low-Pressure Actuator Diaphragm Replacement 5. Remove the cap screws (key 57) and hex nuts (key 58) connecting the casings (key 63 or 87 and key 62) and diaphragm (key 56). Lift off the upper diaphragm casing (key 63) or upper casing welding assembly (key 87). 6. Unscrew the jam nuts (key 48) and remove them from the actuator stem (key 40). 7. Remove the Belleville spring washer (key 49), lower spring guide (key 52) and diaphragm plate (key 55) from the actuator stem (key 40). 8. Lift off the diaphragm (key 56) from the actuator stem (key 40) and inspect it for damage. Replace if necessary. If no further maintenance or inspection is required, proceed to step 18 to reassemble the actuator. Note Exercise care to ensure that the actuator stem (key 40) enters and exits the lower diaphragm head bore without pinching, cutting or damaging in any way the lower diaphragm head O-ring (key 51). 9. Carefully remove the lower diaphragm head (key 53) from the actuator stem (key 40) so that the actuator stem threads do not damage the O-ring inside the lower diaphragm head. Replace the lower diaphragm head O-ring (key 51) if necessary. 10. Remove the cap screws (key 65) connecting the lower diaphragm casing (key 62) and internal stiffener plate (key 84) to the bonnet (key 61). Lift the stiffener plate and lower casing off of the bonnet. 11. If it is desired to replace the bonnet and stem O-rings (keys 60 and 47) and bearings (key 46), disconnect the control line attached to bonnet (key 61). Unscrew the bonnet from the valve body (key 1). Remove stem (key 40) from the bonnet by pulling on the end of the stem without threads. 12. Remove the wiper (key 45, detail Z) on the threaded (orifice side) end of the bonnet (key 61) to reach the bearing (key 46) and stem O-ring (key 47). Install the new stem O-ring and bearing and put back the wiper. 13. Turn the bonnet (key 61) over and install another stem O-ring (key 47) and bearing (key 46, detail X) in the top side of the bonnet. Inspect the bonnet O-ring (key 60) installed in the groove located on the top surface of the bonnet (key 61) for any damage and replace if necessary. 14. Lubricate the bore on both ends of the bonnet (key 61). Install the bonnet over the actuator stem (key 40) and thread into the valve body (key 1). Tighten the bonnet into the body until the connecting pipe holes in the bonnet are located 90° from the valve body ends for correct tubing 13 Type MR105 alignment. Do not loosen the bonnet thread to align the pipe holes. Always tighten the bonnet to make alignment for the control line. Note Position the bonnet (key 61) such that the vent (key 26) is facing valve body (key 1) inlet, the lube fitting (key 44) is facing body outlet end and the 1/2 NPT control line connection (key 30) is located 90° from the valve body ends. For pressure-loaded actuator option skip steps 20 and 21 and proceed to step 22 with upper casing welding assembly (key 87). 20. Install the upper diaphragm casing (key 63) or spring case spacer (key 66) assembly while aligning the bolt circle holes in the upper diaphragm casing, diaphragm (key 56) and lower diaphragm casing (key 62). Note Note Exercise care to ensure that the actuator stem (key 40) enters and exits the bonnet bore without pinching, cutting or damaging the valve stem O-rings (key 47). Exercise care to ensure that the diaphragm (key 56) is not pinched, twisted or wrinkled while compressing between the upper and lower diaphragm casings (keys 62 and 63). 15. Lubricate the cap screws (key 65) and use it to position and secure the lower diaphragm casing (key 62) and internal stiffener plate (key 84) to the bonnet (key 61). Tighten the cap screws to a torque of 10 to 12 ft-lbs / 14 to 16 N•m. 16. The serrated side of the lower diaphragm head (key 53) should be facing up toward the threaded end of the actuator stem (key 40). Carefully install the lower diaphragm head over the actuator stem. Note Exercise care to ensure that the actuator stem (key 40) enters and exits the lower diaphragm head bore without pinching, cutting or damaging in any way the lower diaphragm head O-ring (key 51). 17. Place the diaphragm (key 56) over the actuator stem (key 40) and on top of the lower diaphragm head (key 53). The convolutions of the diaphragm should be pointing up. 18. Place the following over the actuator stem (key 40) and on top of the diaphragm (key 56), in the following order: diaphragm plate (key 55), lower spring guide (key 52) and Belleville spring washer (key 49). The raised inner diameter of the Belleville spring washer should be pointing toward the threaded end of the actuator stem. 19. Lubricate the threads of the actuator stem (key 40) and thread the two jam nuts (key 48) onto it. Using wrench flats, hold the stem and torque the jam nuts individually. Tighten to a torque of 12 to 14 ft-lbs / 16 to 19 N•m. 14 Note 21. Lubricate the cap screws (key 57) and nuts (key 58) and carefully insert through holes in the outer flange of the diaphragm casings (keys 62 and 63) and diaphragm (key 56). Tighten the cap screws to the hex nuts to a final torque value of 27 to 29 ft-lbs / 37 to 39 N•m. 22. Place the control spring (key 68) inside the hole in the upper diaphragm casing (key 63) or upper casing welding assembly (key 87) and over the lower spring guide (key 52). The spring should be sitting on top of the diaphragm plate (key 55). 23. Lubricate the bore on the top of the upper spring seat (key 69) where the adjusting screw (key 73) will make contact. Place the upper spring seat on top of the control spring (key 68). 24. Install the spring case (key 70) over the control spring (key 68) and upper spring seat (key 69) and on top of the spring case spacer (key 66) or upper casing welding assembly (key 87). Align the holes in the spring case with the holes in the spring case spacer or upper casing welding assembly while ensuring the vent assembly (key 26) is aligned with valve body inlet. 25. Lubricate cap screws (key 67) and use them to secure the spring case (key 70) to the spring case spacer (key 66) or upper casing welding assembly (key 87). Tighten the cap screws to a final torque of 25 to 28 ft-lbs / 34 to 38 N•m. Type MR105 ! Warning Personal injury, equipment damage or leakage due to escaping fluid may result if adjusting screw (key 73) and jam nut (key 72) are not installed properly. Also, main spring (key 68) may go solid resulting in the regulator not locking up if jam nut is not installed and adjusting screw is adjusted completely down. 26. Lubricate the adjusting screw (key 73) and thread on the jam nut (key 72). If pressure-loaded actuator is used, install the sealing washer (key 71). Lubricate the adjusting screw and place it into the spring case (key 70). Thread the adjusting screw using a hand wrench (not an impact gun) until it touches the upper spring seat (key 69). Set the regulator to the desired outlet pressure according to the procedure in Adjustment section. For High-Pressure Actuator Diaphragm Replacement 5. Remove the cap screws (key 57) and hex nuts (key 58) connecting the diaphragm casings (keys 62 and 63) and diaphragm (key 56). Lift off the upper diaphragm casing (key 63). 6. Unscrew the jam nuts (key 48, detail V) and remove them from the actuator stem (key 40). 7. Remove the Belleville spring washer (key 49) and lower spring seat (key 54) from the actuator stem (key 40). 8. Lift off the diaphragm (key 56) from the actuator stem (key 40) and inspect it for damage. Replace if necessary. If no further maintenance or inspection is required, proceed to step 15. Note Exercise care to ensure that the actuator stem (key 40) enters and exits the lower diaphragm head bore without pinching, cutting or damaging in any way the lower diaphragm head O-ring (key 51). 9. Carefully remove the lower diaphragm head (key 53) from the actuator stem (key 40). Replace the lower diaphragm head O-ring (key 51) if necessary. 10. If it is desired to replace the stem O-rings (key 47, detail X and Z) and bearings (key 46), disconnect the control line tubing. Remove the lower diaphragm casing (key 62) by unthreading it from the valve body (key 1). Remove stem (key 40) from the lower casing by pulling on the end of the stem without threads. 11. Remove the wiper ring (key 45, detail Z) on the threaded end of the lower diaphragm casing (key 62) to reach the bearing (key 46) and stem O-ring (key 47). Install the new stem O-ring and bearing and put back the wiper. 12. Turn the lower diaphragm casing (key 62) over and install another stem O-ring (key 47) and bearing (key 46) in the top side of the lower casing. 13. Lubricate the bore on both ends of the lower diaphragm casing (key 62). Install the lower casing over the actuator stem (key 40) and thread into the valve body (key 1). Tighten the lower casing into the body until the connecting pipe holes in the casing are located 90° from the valve body ends for correct tubing alignment. Do not loosen the bonnet thread to align the pipe holes. Always tighten the lower casing to make alignment for the control line. Note Position the lower diaphragm casing (key 62) such that the vent (key 26) is facing valve body (key 1) inlet, the lube fitting (key 44) is facing body outlet end and the 1/2 NPT control line connection (key 30) is located 90° from the valve body ends. Note Exercise care to ensure that the actuator stem (key 40) enters and exits the casing bore without pinching, cutting or damaging the actuator stem O-rings (key 47). 14. The serrated side of the lower diaphragm head (key 53) should be facing up toward the threaded end of the actuator stem (key 40). Carefully install the lower diaphragm head over the actuator stem. Note Exercise care to ensure that the actuator stem (key 40) enters and exits the lower diaphragm head bore without pinching, cutting or damaging in any way the lower diaphragm head O-ring (key 51). 15. Lubricate the convoluted side of the diaphragm (key 56) and place over the actuator stem (key 40) and on top of the lower diaphragm head (key 53). The convolutions of the diaphragm should be pointing up. 15 Type MR105 16. Place the lower spring seat (key 54) and Belleville spring washer (key 49) over the actuator stem (key 40) and on top of the diaphragm (key 56). The raised inner diameter of the spring washer should be pointing toward the threaded end of the actuator stem. 17. Lubricate the threads of the actuator stem (key 40) and thread the two jam nuts (key 48) onto it. Using wrench flats, hold the stem and torque the two jam nuts individually. Tighten to a torque of 12 to 14 ft-lbs / 16 to 19 N•m. 18. Install the upper diaphragm casing (key 63) while aligning the bolt circle holes in the upper diaphragm casing, diaphragm (key 56) and lower diaphragm casing (key 62). Note Exercise care to ensure that the diaphragm (key 56) is not pinched, twisted or wrinkled while compressing between the upper and lower diaphragm casings (keys 62 and 63). 19. Lubricate the cap screws (key 57) and nuts (key 58) and carefully insert through holes in the outer flange of the diaphragm casings (keys 62 and 63) and diaphragm (key 56). Tighten the cap screws to the hex nuts to a final torque value of 45 to 55 ft-lbs / 61 to 75 N•m. 20. Place the control spring (key 68) inside the hole in the upper diaphragm casing (key 63) and over the lower spring seat (key 54). The spring should be sitting on top of the lower spring seat. 21. Lubricate the bore on the top of the upper spring seat (key 69) where the adjusting screw (key 73) will make contact. Place the upper spring seat on top of the control spring (key 68). 22. Install the spring case (key 70) over the control spring (key 68) and upper spring seat (key 69) and on top of the upper diaphragm casing (key 63). Align the holes in the spring case with the holes in the upper casing while ensuring the vent assembly (key 26) is aligned with valve body inlet. 23. Lubricate cap screws (key 67) and use them to secure the spring case (key 70) to the upper diaphragm casing (key 63). Tighten the cap screws to a final torque of 25 to 28 ft-lbs / 34 to 38 N•m. 16 ! Warning Personal injury, equipment damage or leakage due to escaping fluid may result if adjusting screw (key 73) and jam nut (key 72) are not installed properly. Also, spring (key 68) may go solid resulting in regulator not locking up if jam nut is not installed and adjusting screw is adjusted completely down. 24. Lubricate the adjusting screw (key 73) and thread on the jam nut (key 72). If pressure-loaded actuator is used, install the sealing washer (key 71). Lubricate the adjusting screw and place it into the spring case (key 70). Thread the adjusting screw using a hand wrench (not an impact gun) until it touches the upper spring seat (key 69). Set the regulator to the desired outlet pressure according to the procedure in Adjustment section. Regulator Reassembly As indicated by the square callouts in Figure 6, it is recommended that a good quality pipe thread sealant be applied to pressure connections and fittings and a good quality lubricant be applied to O-rings. Also apply an anti-seize compound to the adjusting screw threads and other areas as needed. After repair, the regulator should be tested for proper operation before being put back into service. Parts Ordering When corresponding with your local Sales Office about this regulator, always reference the equipment serial number or FS number found on the nameplate. When ordering replacement parts, reference the key number of each needed part as found in the following parts list. Separate kits containing all recommended spare parts are available. Parts List Note In this parts list, parts marked NACE are intended for corrosion-resistant service as detailed in the NACE International Standard MR0175-2003 and MR0103. Type MR105 ! Warning 73 72 Use only genuine Fisher® replacement parts. Components that are not supplied by Emerson™ should not, under any circumstances, be used in any Fisher regulator, because they will void your warranty, might adversely affect the performance of the valve and could give rise to personal injury and property damage. Key Description Quick Change Travel Indicator Kit (Includes keys 5, 6, 7, 8, 9, 10, 18, 19, 21, 22, 23, 28, 35, 36 (2 required) and 37) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 Elastomer Trim Parts Kit (Includes keys 4, 12, 14, 15, 17, 20 and 21) Nitrile (NBR) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 Fluorocarbon (FKM) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 Ethylene Propylene (EPDM) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 Actuator Parts Kit (Includes keys 45, 46 (2 required), 47 (2 required), 48 (2 required), 49, 51, 56 and 60 (For Low-Pressure Actuator only)) Nitrile (NBR) Low-Pressure Actuator High-Pressure Actuator Fluorocarbon (FKM) Low-Pressure Actuator High-Pressure Actuator Ethylene Propylene (EPDM) Low-Pressure Actuator High-Pressure Actuator 1 Valve Body See following table 2 Body Flange WCC Steel NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 CF8M Stainless Steel (NACE) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 CF3M Stainless Steel (NACE) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 70 43 44 L2 30 S 26 Part Number 38 10C1212X142 10C1212X112 10C1212X122 10C1212X132 1 RMR1058XF12 RMR1058XF22 RMR1058XF32 RMR1058XF42 RMR1058XE12 RMR1058XE22 RMR1058XE32 RMR1058XE42 25 RMR1058XFL2 RMR1058XFH2 RMR1058XEL2 RMR1058XEH2 GE39061X012 GE39060X012 GE39059X012 GE39058X012 GE39061X022 GE39060X022 GE39059X022 GE39058X022 GE39061X032 GE39060X032 GE39059X032 L1 24 APPLY lubricant or sealant(1): L1 = multi-purpose polytetrafluoroethylene (ptfe) lubricant l2 = multi-purpose nlgi(2) grade 1 grease l3 = anti-seize compound s = multi-purpose ptfe thread sealanT NOTE: KEY 38 IS NOT USED WITH 1/4 NPT DRAIN VALVE OPTION. 1. Lubricants and sealants must be selected such that they meet the temperature requirements. 2. National Lubricating Grease Institute. Figure 6. Type MR105 Direct-Operated Pressure Reducing Regulator Assemblies Key Description RMR1058XNL2 RMR1058XNH2 S 2 GE38435 RMR1058XN12 RMR1058XN22 RMR1058XN32 RMR1058XN42 L3 3 Stud Bolt Steel NPS 1 / DN 25 (4 required) NPS 2 / DN 50 (8 required) NPS 3 / DN 80 (8 required) NPS 4 / DN 100 (8 required) Stainless Steel (NACE) NPS 1 / DN 25 (4 required) NPS 2 / DN 50 (8 required) NPS 3 / DN 80 (8 required) NPS 4 / DN 100 (8 required) 4* Gasket, Composition (NACE) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 5 Lower Indicator Fitting, Steel NPS 1 / DN 25 NPS 2, 3 and 4 / DN 50, 80 and 100 6 O-ring Retainer, Stainless Steel 7* Indicator Stem O-ring Nitrile (NBR) Fluorocarbon (FKM) Ethylene Propylene (EPDM) 8 Hex Nut, Steel Part Number 1R2848X0752 1K2429X0782 1A3781X0562 1R3690X0592 1R284835222 1K242935222 1A378135222 1R369035222 14A6785X012 14A5685X012 14A5665X012 14A5650X012 T21117T0012 T21107T0012 T14276T0012 1E472706992 1N430406382 1D6875X0092 1A662228992 *Recommended spare part. 17 Type MR105 Key 1, Type MR105 Valve Bodies Material End Connection NPT CL125 FF CL250 RF NPT CL150 RF CL300 RF CL600 RF PN 16/25/40 RF PN 16 RF NPT CL150 RF CL300 RF CL600 RF PN 16/25/40 RF PN 16 RF CL150 RF CL300 RF NPT CL150 RF CL300 RF CL600 RF Cast Iron WCC Steel CF8M Stainless Steel (NACE) CF3M Stainless Steel (NACE) WCC Steel (NACE) Key Description NPS 1 / DN 25 34B7611X012 34B8630X012 37B5950X012 37B5946X012 37B5947X012 37B5948X012 37B5949X012 GE05956X012 ----------37B5946X032 37B5947X032 37B5948X032 37B5949X032 GE05956X022 ----------37B5947X102 37B5948X102 37B5946X022 37B5947X022 37B5948X022 37B5949X022 Part Number 9 Valve Spring, Inconel X750 (NACE) NPS 1 / DN 25 10B1882X012 NPS 2 / DN 50 16A5499X012 NPS 3 / DN 80 16A5500X012 NPS 4 / DN 100 16A5998X012 10 Indicator Stem, 18-8 Stainless Steel NPS 1 / DN 25 T14311T0012 NPS 2 / DN 50 T14275T0012 NPS 3 / DN 80 T14312T0012 NPS 4 / DN 100 T14313T0012 11 Cage (NACE) For Gas Service, Linear, CF8M Stainless Steel NPS 1 / DN 25 34B4136X012 NPS 2 / DN 50 34B5838X012 NPS 3 / DN 80 34B5839X012 NPS 4 / DN 100 34B5840X012 For Liquid Service, Quick Open, CF3M/CF8M Stainless Steel NPS 1 / DN 25 GF03315X012 NPS 2 / DN 50 Full Capacity GF03319X012 Reduced Capacity GG00814X012 NPS 3 / DN 80 GF03311X012 NPS 4 / DN 100 GF03314X012 12* Port Seal (NACE) Nitrile (NBR) NPS 1 / DN 25 14A6788X012 NPS 2 / DN 50 24A5673X012 NPS 3 / DN 80 24A5658X012 NPS 4 / DN 100 24A5643X012 Fluorocarbon (FKM) NPS 1 / DN 25 14A8186X012 NPS 2 / DN 50 25A7412X012 NPS 3 / DN 80 25A7375X012 NPS 4 / DN 100 25A7469X012 ® *Recommended spare part. Inconel® is a mark owned by Special Metals Corporation. 18 part number NPS 2 / DN 50 NPS 3 / DN 80 38A8845X012 ----------38A8847X012 38A8851X012 38A8846X012 38A8850X012 38A8848X012 ----------38A8853X012 38A8872X012 38A8849X012 38A8871X012 38A8844X012 38A8852X012 GE05960X012 --------------------GE05965X012 38A8848X032 ----------38A8853X072 38A8872X052 38A8849X032 38A8871X052 38A8844X032 38A8852X042 GE05960X022 --------------------GE05965X022 38A8853X082 ----------38A8849X122 38A8871X122 38A8848X022 ----------38A8853X052 38A8872X062 38A8849X022 38A8871X042 38A8844X022 38A8852X032 Key Description 12* Port Seal (NACE) (continued) Ethylene Propylene (EPDM) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 13 Seat Ring 416 Stainless Steel NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 316 Stainless Steel (NACE) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 316L Stainless Steel (NACE) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 14* Piston Ring PTFE (NACE) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 15* Upper Seal (NACE) Nitrile (NBR) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 Fluorocarbon (FKM) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 NPS 4 / DN 100 ----------38A8865X012 38A8854X012 ----------38A8867X012 38A8869X012 38A8866X012 ----------GE05969X012 ----------38A8867X042 38A8869X032 38A8866X032 ----------GE05969X022 ------------------------------38A8867X032 38A8869X022 38A8866X022 Part Number 14A6788X022 24A5673X062 24A5658X062 24A5643X052 24A6781X012 24A5670X012 24A5655X012 24A5640X012 24A6781X022 24A5670X022 24A5655X022 24A5640X022 24A6781X052 24A5670X042 24A5655X042 24A5640X042 14A6786X012 14A5675X012 14A5660X012 14A5645X012 14A6789X012 24A5674X012 24A5659X012 24A5644X012 14A8187X012 25A7413X012 25A7376X012 25A7468X012 Type MR105 Key Description 15* Upper Seal (NACE) (continued) Ethylene Propylene (EPDM) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 16* Valve Plug 416 Stainless Steel NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 S20910 Stainless Steel (NACE) NPS 1 / DN 25 316 Stainless Steel (NACE) NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 316L Stainless Steel (NACE) NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 17* Cage O-ring (NACE) Nitrile (NBR) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 Fluorocarbon (FKM) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 Ethylene Propylene (EPDM) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 18 Travel Indicator Scale, Plastic NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 and 4 / DN 80 and 100 19 Travel Indicator Protector, Zinc-Plated Steel 20* Valve Plug O-ring (NACE) Nitrile (NBR) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 Fluorocarbon (FKM) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 Ethylene Propylene (EPDM) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 21* Lower Indicator Fitting O-ring (NACE) Nitrile (NBR) NPS 1 / DN 25 NPS 2, 3 and 4 / DN 50, 80 and 100 Fluorocarbon (FKM) NPS 1 / DN 25 NPS 2, 3 and 4 / DN 50, 80 and 100 Ethylene Propylene (EPDM) NPS 1 / DN 25 NPS 2, 3 and 4 / DN 50, 80 and 100 Part Number 14A6789X022 24A5674X062 24A5659X062 24A5644X052 14A6780X012 24A6772X012 24A9421X012 24A8182X012 14A6780X132 24A6772X032 24A9421X022 24A8182X022 24A6772X072 24A9421X052 24A8182X052 10A7777X012 10A7779X012 14A5688X012 10A3481X012 10A7778X012 10A7779X022 14A5688X022 10A3483X012 10A7777X022 10A7779X052 14A5688X082 10A3481X052 14A6759X012 14A5678X012 14A5662X012 14A6769X012 14A6981X012 14A5686X012 1V326906562 14A5688X012 14A8188X012 14A5686X022 1V3269X0042 14A5688X022 14A6981X032 14A5686X052 1V3269X0062 14A5688X082 10A8931X012 10A3800X012 10A0811X012 1R727606382 10A8931X022 10A3800X042 Key Description 22 Flange Nut, Steel 23 E-ring, Stainless Steel 24 Drive Screw, Stainless Steel (NACE) (6 required) 25 Flow Arrow 26 Vent Assembly (NACE) (2 required/ 1 required for Pressure-Loaded Actuator) 27 Plug (Type MR105 Without Travel Indicator Only) Steel NPS 1 / DN 25 NPS 2, 3 and 4 / DN 50, 80 and 100 Stainless Steel (NACE) NPS 1 / DN 25 NPS 2, 3 and 4 / DN 50, 80 and 100 28 Spring Seat, Zinc-Plated Steel NPS 1 / DN 25 NPS 2, 3 and 4 / DN 50, 80 and 100 29 Hex Nut Steel NPS 1 / DN 25 (4 required) NPS 2 / DN 50 (8 required) NPS 3 / DN 80 (8 required) NPS 4 / DN 100 (8 required) Stainless Steel (NACE) NPS 1 / DN 25 (4 required) NPS 2 / DN 50 (8 required) NPS 3 / DN 80 (8 required) NPS 4 / DN 100 (8 required) 30 Pipe Plug, 1/2 NPT Steel Stainless Steel (NACE) 33 NACE Tag (not shown) 34 Seal Wire, Stainless Steel (NACE) (not shown) 35 Indicator Fitting, Stainless Steel 36* Back O-ring, PTFE (2 required) 37* Indicator Fitting O-ring Nitrile (NBR) Fluorocarbon (FKM) Ethylene Propylene (EPDM) 38 Pipe Plug, 1/4 NPT (not used with Drain Valve option) Steel Stainless Steel (NACE) 40 Actuator Stem S17400 Stainless Steel NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 S20910 Stainless Steel (NACE) NPS 1 / DN 25 NPS 2 / DN 50 NPS 3 / DN 80 NPS 4 / DN 100 43 Nameplate 44 Lube Fitting, Steel (NACE) 45 Wiper Ring (NACE) 46* Bearing (NACE) (2 required) Nylon (PA) Nyliner 47* Valve Stem O-ring (NACE) (2 required) Nitrile (NBR) Fluorocarbon (FKM) Ethylene Propylene (EPDM) 48* Jam Nut (2 required), Zinc-Plated Steel (NACE) 49* Belleville Spring Washer (NACE) 51* Lower Diaphragm Head O-ring (NACE) Nitrile (NBR) Fluorocarbon (FKM) Ethylene Propylene (EPDM) Part Number 14A5693X012 14A8181X012 1A368228982 ----------Type Y602-12 14A6983X012 14A9684X012 14A6983X022 14A9684X032 14A6982X012 15A2206X012 1C3306X0832 1A3772X0892 1A3760X0832 1A3520X0922 1C330635252 1A377235252 1A376035252 1A352035252 1A369224492 1A369235072 ----------1U7581X0022 T21104T0012 1K786806992 18B3438X012 1N430306382 1N4303X0012 1A767524662 1A767535072 GE39146X012 GE39147X012 GE39148X012 GE39149X012 GE39146X022 GE39147X022 GE39148X022 GE39149X022 ----------1L847828992 15A6002XN12 17A7112X012 17A7112X022 1C782206992 1K756106382 1C7822X0052 1A946324122 GG04933X012 1P420706992 1L949306382 1P4207X0032 *Recommended spare part. 19 Type MR105 Key Description Part Number 52 Lower Spring Guide, Zinc-Plated Steel (NACE) (Low-Pressure Actuator only) GE39171X012 53 Lower Diaphragm Head 17-4 Stainless Steel (NACE) Low-Pressure Actuator GE39137X012 High-Pressure Actuator GG02195X012 54 Lower Spring Seat, Zinc-Plated Steel (NACE)(1) (High-Pressure Actuator only) GE39174X012 55 Diaphragm Plate, Cast Iron (NACE)(1) (Low-Pressure Actuator only) GG02994X012 56* Diaphragm (NACE) Low-Pressure Actuator Nitrile (NBR)/Nylon (PA) GG02995X012 Fluorocarbon (FKM)/Nylon (PA) GG02995X022 Ethylene Propylene (EPDM) GG02995X052 High-Pressure Actuator Nitrile (NBR)/Nylon (PA) GE39329X012 Fluorocarbon (FKM)/Nomex® GE39329X022 Ethylene Propylene (EPDM) GE39329X052 57 Cap Screw Low-Pressure Actuator (16 required) Steel 1E7603X0062 Stainless Steel (NACE) 1E7603X0072 High-Pressure Actuator (8 required) Steel T10990X0012 Stainless Steel (NACE) 1A219235222 58 Hex Nut Low-Pressure Actuator Steel (16 required) 1A3465X0092 Stainless Steel (16 required) (NACE) 1A3465X0102 High-Pressure Actuator Steel (8 required) 1E9445X0502 Stainless Steel (16 required) (NACE) 1A337435252 60* O-ring (NACE) (Low-Pressure Actuator only) Nitrile (NBR) 1F358106992 Fluorocarbon (FKM) 1F3581X0022 61 Bonnet (Low-Pressure Actuator only) Steel 33B0301X012 316 Stainless Steel (NACE) 33B0301X072 62 Lower Diaphragm Casing Low-Pressure Actuator Steel 24A5680X012 316 Stainless Steel (NACE) 24A5680X072 High-Pressure Actuator Steel GG00833X012 CF3M/CF8M Stainless Steel (NACE) GG00833X022 High-Pressure Actuator with 1/8 NPT Tap for Bleed Valve (optional) Steel ERSA01471A0 CF3M/CF8M Stainless Steel (NACE) ERSA01471A1 63 Upper Diaphragm Casing Low-Pressure Actuator Steel GG02988X012 316 Stainless Steel (NACE) GG02988X022 High-Pressure Actuator Steel GG00884X012 CF3M/CF8M Stainless Steel (NACE) GG00884X022 64* Upper Diaphragm Casing O-ring (For Low and High-Pressure Actuator) Nitrile (NBR) 1P233206992 Fluorocarbon (FKM) 1P2332X0012 (1) Key Description Part Number 65 Cap Screw (10 required) (Low-Pressure Actuator only) Steel 1A368424052 Stainless Steel (NACE) 1A3684X0102 66 Spring Case Spacer (Low-Pressure Actuator only) Steel GG00877X012 316 Stainless Steel (NACE) GG00877X022 67 Cap Screw (6 required) Steel 1C4038X0062 Stainless Steel (NACE) 1C4038X0032 68 Control Spring, Steel Alloy (NACE)(1) (Refer to Table 2 for the Spring Ranges) White GE42909X012 Silver GE42910X012 Orange GE42911X012 Red GE43002X012 Green (for NPS 1 and 2 / DN 25 and 50 body sizes only) GE42907X012 69 Upper Spring Seat, Zinc-Plated Steel (NACE)(1) GG02175X012 70 Spring Case WCC Steel GG00917X012 CF3M/CF8M Stainless Steel (NACE) GG00917X022 71 Seal Washer (For Pressure-Loaded Actuator only) Steel/Nitrile (NBR) 11A9681X012 Steel/Fluorocarbon (FKM) 11A9681X022 72 Jam Nut (NACE) Steel 1A319224122 Stainless Steel 1A3192K0012 73 Adjusting Screw (NACE) Steel GG03609X012 Stainless Steel GG03609X022 75 Restrictor (see Figure 4) (For Liquid Service High-Pressure Actuator only) Steel 17B5175X022 Stainless Steel (NACE) 17B5175X012 76 Pipe Bushing (1 required), For All Actuators Steel 1C379026232 Stainless Steel (NACE) 1C3790X0012 76 Pipe Bushing (2 required), For Liquid Service on High-Pressure Actuators Steel 1C379026232 Stainless Steel (NACE) 1C3790X0012 81 Pipe Nipple, Stainless Steel (NACE) (not shown) 1C488238982 82 Drain Valve, Stainless Steel (NACE) (see Figure 5), 1/4 NPT 13B2392X082 84 Internal Stiffener Plate (Low-Pressure Actuator only) Steel ERSA00169A0 Stainless Steel (NACE) ERSA00169A1 85 Bleed Valve, Stainless Steel (NACE) (see Figure 5), 1/8 NPT 15A6011XDG2 87 Upper Casing Welding Assembly (Low-Pressure Actuator only) (not shown) Steel ERSA02584A0 Stainless Steel ERSA02584A1 *Recommended spare part. Nomex® is a mark owned by E.I. du Pont de Nemours and Co. 1. Meets chemical and physical requirements of NACE MR0175-2003 and MR0103 for non-pressure loaded applications only. It is assumed that this part is not “exposed” to the sour gas. 20 Type MR105 L1 67 57 L3 69 71 52 L1 L1 64 68 66 L1 76 65 S 26 63 SEE DETAIL V 55 56 53 L1 58 S 62 L1 51 SEE DETAIL X 65 L1 84 SEE DETAIL Z 13 L1 12 L1 11 L1 L1 S 61 L1 40 L1 17 4 16 9 3 29 SEE DETAIL Y L1 L1 Type MR105 with Low-Pressure Actuator Assembly GE38435 APPLY lubricant or sealant(1): L1 = multi-purpose ptfe lubricant l3 = anti-seize compound s = multi-purpose ptfe thread sealanT NOTE: KEYS 64 AND 71 ARE USED ONLY FOR PRESSURE-LOADED ACTUATORS. 1. Lubricants and sealants must be selected such that they meet the temperature requirements. Figure 6. Type MR105 Direct-Operated Pressure Reducing Regulator Assemblies (continued) 21 Type MR105 71 54 64 L1 63 58 L1 56 L1 57 L1 62 S 51 53 NOTE: KEYS 64 AND 71 ARE USED ONLY FOR PRESSURE-LOADED ACTUATORS. Type MR105 with High-Pressure Actuator Assembly 48 L1 46 L1 60 L1 47 49 Detail v Detail X GE38435 48 APPLY lubricant or sealant(1): L1 = multi-purpose ptfe lubricant s = multi-purpose ptfe thread sealanT 1. Lubricants and sealants must be selected such that they meet the temperature requirements. Figure 6. Type MR105 Direct-Operated Pressure Reducing Regulator Assemblies (continued) 22 Type MR105 15 16 L1 L1 20 2 L1 47 L1 46 L1 45 14 Detail Z Detail Y L1 36 7 L1 21 L1 27 L1 Detail W no travel indicator 23 28 10 6 5 L1 21 L1 37 L1 35 SEE DETAIL W 8 22 18 19 Type MR105 with optional travel indicator GE38435 APPLY lubricant(1): L1 = multi-purpose ptfe lubricant 1. Lubricants and sealants must be selected such that they meet the temperature requirements. Figure 6. Type MR105 Direct-Operated Pressure Reducing Regulator Assemblies (continued) 23 Type MR105 Industrial Regulators Natural Gas Technologies TESCOM Emerson Process Management Regulator Technologies, Inc. Emerson Process Management Regulator Technologies, Inc. Emerson Process Management Tescom Corporation USA - Headquarters McKinney, Texas 75070 USA Tel: +1 800 558 5853 Outside U.S. +1 972 548 3574 USA - Headquarters McKinney, Texas 75070 USA Tel: +1 800 558 5853 Outside U.S. +1 972 548 3574 USA - Headquarters Elk River, Minnesota 55330-2445, USA Tels: +1 763 241 3238 +1 800 447 1250 Asia-Pacific Shanghai 201206, China Tel: +86 21 2892 9000 Asia-Pacific Singapore 128461, Singapore Tel: +65 6770 8337 Europe Selmsdorf 23923, Germany Tel: +49 38823 31 287 Europe Bologna 40013, Italy Tel: +39 051 419 0611 Europe Bologna 40013, Italy Tel: +39 051 419 0611 Chartres 28008, France Tel: +33 2 37 33 47 00 Asia-Pacific Shanghai 201206, China Tel: +86 21 2892 9499 Middle East and Africa Dubai, United Arab Emirates Tel: +971 4811 8100 Middle East and Africa Dubai, United Arab Emirates Tel: +971 4811 8100 For further information visit www.fisherregulators.com The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Fisher is a mark owned by Fisher Controls International LLC, a business of Emerson Process Management. The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. We reserve the right to modify or improve the designs or specifications of such products at any time without notice. Emerson Process Management Regulator Technologies, Inc. does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance of any Emerson Process Management Regulator Technologies, Inc. product remains solely with the purchaser. ©Emerson Process Management Regulator Technologies, Inc., 2010, 2014; All Rights Reserved
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