Emerson 627 Series Commercial Industrial Regulators Instruction Manual
2015-03-30
: Emerson Emerson-627-Series-Commercial-Industrial-Regulators-Instruction-Manual-680936 emerson-627-series-commercial-industrial-regulators-instruction-manual-680936 emerson pdf
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627 Series Instruction Manual Form 5252 May 2013 627 Series Pressure Reducing Regulators ! WARNING Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion and/or fire 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. (Regulator Technologies) 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. W4793 Figure 1. Typical 627 Direct-Operated Pressure Reducing Regulator Introduction ! Scope of the Manual This manual provides instructions for the installation, adjustment, maintenance, and parts ordering information for the 627 Series regulators. These regulators are usually shipped separate for line installation, although sometimes they are shipped installed on other equipment. Refer to the Instruction Manual of the other equipment for installation and operating instructions. Description The 627 Series direct-operated pressure reducing regulators (Figure 1) are for high and low pressure systems. These regulators can be used with natural gas, air, or a variety of other gases. Performance characteristics vary according to construction. WARNING Personal injury, property damage, equipment damage, or leakage due to escaping gas or bursting of pressurecontaining parts may result if this regulator is overpressured or is installed where service conditions could exceed the limits given in the Specifications section, Tables 1, 2, 3, and 4, or where conditions exceed any ratings of the adjacent piping or piping connections. To avoid such injury or damage, provide pressure-relieving or pressure-limiting devices (as required by the appropriate code, regulation, or standard) to prevent service conditions from exceeding www.fisherregulators.com D101328X012 Call a gas service person to service the unit. Only a qualified person must install or service the regulator. 627 Series Specifications The Specifications section gives some general specifications for the 627 Series regulators. The nameplates give detailed information for a particular regulator as it comes from the factory. Available Constructions Type 627: Direct-operated pressure reducing regulator equipped with a pitot tube for greater regulated capacities (Figure 7). Type 627R: Type 627 with internal relief and with an open throat (Figure 8). Type 627LR: Type 627R with light rate relief spring (Figure 9). Type 627M: Type 627 with a stem seal between the body outlet pressure and diaphragm case. Pressure is measured under the diaphragm through the 1/4 NPT downstream control line connection (Figure 10). Type 627MR: Type 627M with internal relief (Figure 11). Type 627H: Type 627 with a diaphragm limiter to deliver a higher outlet pressure (Figure 12). Type 627HM: Type 627H with a stem seal between the body outlet pressure and diaphragm case. Pressure is measured under the diaphragm through the 1/4 NPT downstream control line connection (Figure 13). Body Sizes and End Connection Styles Body Size End Connection STYLE nps dn 3/4 ---- NPT 25 NPT, CL150 RF, CL300 RF, CL600 RF, and Long Body 50 NPT, CL150 RF, CL300 RF, CL600 RF, and Long Body 1 2 Construction Available All Maximum Inlet Pressure(1) (Body Rating) NPT Stainless Steel: 2000 psig / 138 bar Flanged Stainless Steel: 1440 psig / 99.3 bar NPT Steel: 2000 psig / 138 bar Flanged Steel: 1500 psig / 103 bar Ductile Iron: 1000 psig / 69.0 bar Maximum Valve Disk Inlet Pressure Rating(1) Nylon (PA) Disk: 2000 psig / 138 bar Nitrile (NBR) Disk: 1000 psig / 69.0 bar Fluorocarbon (FKM) Disk: 300 psig / 20.7 bar Maximum Operating Inlet Pressure, Pressure Differential, and Outlet Pressure Ranges(1) See Table 1 for pressures by orifice size and spring range Maximum Spring and Diaphragm Casing Pressure(1) See Table 2 Maximum Body Outlet Pressure(1)(2) (Types 627M, 627MR, and 627HM Only) NPT Steel: 2000 psig / 138 bar Flanged Steel: 1500 psig / 103 bar Ductile Iron: 1000 psig / 69.0 bar Orifice Sizes See Table 1 Internal Relief Performance Type 627R: See Table 3 Type 627LR: See Table 4 Type 627MR: Limited by field-installed control line piping Elastomer Temperature Capabilities(1)(3) MATERIAL Nitrile (NBR) Fluorocarbon (FKM) Disk Diaphragm Disk Diaphragm TEMPERATURE °F °C -40 to 180 -40 to 82 0 to 180 -18 to 82 Nylon (PA) Disk -40 to 180 -40 to 82 Neoprene (CR) for Types 627H and 627HM only Diaphragm -40 to 180 -40 to 82 Flow Coefficients See Table 5 IEC Sizing Coefficients See Table 6 Pressure Registration Type 627, 627H, 627R, or 627LR: Internal Type 627M, 627HM, or 627MR: External through 1/4 NPT control line connection in the diaphragm casing De-Icer System See Figure 3 and Type 627M Regulator De-Icer System Application section Relief Indicator For Types 627R, 627LR, and 627MR (see Figures 8, 9, and 11) Spring Case Vent Connection 3/4 NPT with removable screened vent assembly Approximate Weights Ductile Iron, Steel, or Stainless Steel Casings: 10 pounds / 4 kg Aluminum Casings: 6.3 pounds / 3 kg 1. The pressure/temperature limits in this Instruction Manual or any applicable standard limitation should not be exceeded. 2. Types 627, 627H, 627R, and 627LR are limited by maximum diaphragm casing pressure. 3. Stainless steel body is rated to -40°F / -40°C. Steel and Ductile Iron bodies are rated to -20°F / -29°C. 2 DISK/ DIAPHRAGM 627 Series adjusting screw control spring stem diaphragm valve disk pusher post lever A6557 orifice INLET PRESSURE inlet pressure outlet pressure OUTLET PRESSURE aTMOSPHERIC pressure ATMOSPHERIC PRESSURE INLET PRESSURE OUTLET PRESSURE ATMOSPHERIC PRESSURE Figure 2. Type 627 Operational Schematic those limits. The Type 627R, 627LR, or 627MR regulator with internal relief will provide downstream overpressure protection within the limits given in the Specifications section, Tables 1, 2, 3, and 4. If these limits are exceeded, additional downstream overpressure protection must be provided by the user. Additionally, physical damage to the regulator could cause personal injury or property damage due to escaping gas. To avoid such injury or damage, install the regulator in a safe location. Principle of Operation Refer to Figure 2. When downstream demand decreases, the pressure under the diaphragm increases. This pressure overcomes the regulator setting (which is set by a spring). Through the action of the pusher post assembly, lever, and valve stem the valve disk moves closer to the orifice and reduces gas flow. If demand downstream increases, pressure under the diaphragm decreases. Spring force pushes the pusher post assembly downward and the valve disk moves away from the orifice. Product Description Types 627 and 627H Direct-Operated Pressure Reducing Regulators—The Types 627 and 627H regulators provide economical pressure reducing control for a variety of residential, commercial, and industrial applications. The regulator pitot tube located in a high velocity stream provides dynamic boost that compensates for outlet pressure drop. Type 627 Long Body—The Type 627 Long Body regulator can be used as a drop-in replacement for existing Type 630 installations without the need to modify piping. Internal Relief for Type 627R, 627LR, or 627MR Regulator—The Type 627R internal relief performance values were obtained by removing the disk assembly from the regulator. For the Type 627R, 627LR, or 627MR regulator, the internal relief across the diaphragm provides overpressure protection in many applications. As outlet pressures build up above the start-to-discharge point, the diaphragm moves off the relief valve seat allowing the excess pressure to bleed out through the screened vent. For extra protection, should failure conditions exist which would prevent normal operation of the regulator 3 627 Series Table 1. Maximum Inlet Pressures and Outlet Pressure Ranges TYPE Outlet pressure RANGE, spring PART NUMBER, AND COLOR CODE 5 to 20 psig / 0.34 to 1.4 bar (2) 10B3076X012 Yellow 15 to 40 psig / 1.0 to 2.8 bar 627 and 627M(3) 10B3077X012 Green 35 to 80 psig / 2.4 to 5.5 bar 10B3078X012 Blue 70 to 150 psig / 4.8 to 10.3 bar 10B3079X012 Red 5(2) to 20 psig / 0.34 to 1.4 bar 10B3076X012 Yellow 15 to 40 psig / 1.0 to 2.8 bar 627R and 627MR 10B3077X012 Green 35 to 80 psig / 2.4 to 5.5 bar 10B3078X012 Blue 70 to 150 psig / 4.8 to 10.3 bar 10B3079X012 Red 627LR 15 to 40 psig / 1.0 to 2.8 bar 10B3077X012 Green 140 to 250 psig / 9.7 to 17.2 bar 627H and 627HM(3) 10B3078X012 Blue 240 to 500 psig / 16.5 to 34.5 bar 10B3079X012 Red ORIFICE SIZE Maximum Inlet Pressure(1) Nylon (PA) Disk Nitrile (NBR) Disk Fluorocarbon (FKM) Disk Inches mm psig bar psig bar psig bar 3/32 1/8 3/16 1/4 3/8 1/2 3/32 1/8 3/16 1/4 3/8 1/2 3/32 1/8 3/16 1/4 3/8 1/2 3/32 1/8 3/16 1/4 3/8 1/2 3/32 1/8 3/16 1/4 3/8 1/2 3/32 1/8 3/16 1/4 3/8 1/2 3/32 1/8 3/16 1/4 3/8 1/2 3/32 1/8 3/16 1/4 3/8 1/2 2.4 3.2 4.8 6.4 9.5 13 2.4 3.2 4.8 6.4 9.5 13 2.4 3.2 4.8 6.4 9.5 13 2.4 3.2 4.8 6.4 9.5 13 2.4 3.2 4.8 6.4 9.5 13 2.4 3.2 4.8 6.4 9.5 13 2.4 3.2 4.8 6.4 9.5 13 2.4 3.2 4.8 6.4 9.5 13 2000 1000 750 500 300 250 2000 1500 1000 750 500 300 2000 2000 1750 1500 1000 750 2000 2000 2000 1750 1250 750 2000 1000 750 500 300 200 2000 1500 1000 750 300 200 2000 1750 1000 750 300 200 2000 1000 500 300 200 200 138 69.0 51.7 34.5 20.7 17.2 138 103 69.0 51.7 34.5 20.7 138 138 121 103 69.0 51.7 138 138 138 121 86.2 51.7 138 69.0 51.7 34.5 20.7 13.8 138 103 69.0 51.7 20.7 13.8 138 121 69.0 51.7 20.7 13.8 138 69.0 34.5 20.7 13.8 13.8 1000 1000 750 500 300 250 1000 1000 1000 750 500 300 1000 1000 1000 1000 1000 750 1000 1000 1000 1000 1000 750 1000 1000 750 500 300 200 1000 1000 1000 750 300 200 1000 1000 1000 750 300 200 1000 1000 500 300 200 200 69.0 69.0 51.7 34.5 20.7 17.2 69.0 69.0 69.0 51.7 34.5 20.7 69.0 69.0 69.0 69.0 69.0 51.7 69.0 69.0 69.0 69.0 69.0 51.7 69.0 69.0 51.7 34.5 20.7 13.8 69.0 69.0 69.0 51.7 20.7 13.8 69.0 69.0 69.0 51.7 20.7 13.8 69.0 69.0 34.5 20.7 13.8 13.8 300 300 300 300 300 250 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 300 200 300 300 300 300 300 200 300 300 300 300 300 200 300 300 300 300 200 200 20.7 20.7 20.7 20.7 20.7 17.2 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 20.7 13.8 20.7 20.7 20.7 20.7 20.7 13.8 20.7 20.7 20.7 20.7 20.7 13.8 20.7 20.7 20.7 20.7 13.8 13.8 3/32 1/8 3/16 1/4 2.4 3.2 4.8 6.4 1000 1000 750 500 69.0 69.0 51.7 34.5 300 300 300 300 20.7 20.7 20.7 20.7 3/32 1/8 3/16 1/4 3/8 1/2 3/32 1/8 3/16 1/4 3/8 1/2 2.4 3.2 4.8 6.4 9.5 13 2.4 3.2 4.8 6.4 9.5 13 1000 1000 1000 1000 750 500 1000 1000 1000 1000 1000 750 69.0 69.0 69.0 69.0 51.7 34.5 69.0 69.0 69.0 69.0 69.0 51.7 2000 2000 1750 1500 1000 750 2000 2000 1750 1500 1000 750 138 138 121 103 69.0 51.7 138 138 121 103 69.0 51.7 1. For inlet pressure in excess of 1000 psig / 69.0 bar, refer to the maximum body and disk pressure ratings in the Specifications section. 2. For pressure settings under 10 psig / 0.69 bar, inlet pressure should be limited to approximately 100 psig / 6.9 bar so the setpoint adjustment can be obtained. 3. The unbalance forces change from the wide-open monitor mode to an active regulator mode such that the Type 627M or 627HM should have a 3/8 inch / 9.5 mm or larger orifice. - Shaded areas indicate that Fluorocarbon (FKM) and Nylon (PA) disk material are not available. 4 627 Series Table 2. Maximum Spring and Diaphragm Casing Pressure(1) MAXIMUM PRESSURE DESCRIPTION Maximum pressure to spring and diaphragm casings to prevent leak to atmosphere other than relief action (internal parts damage may occur) Maximum pressure to spring and diaphragm casings to prevent burst of casings during abnormal operation (leak to atmosphere and internal parts damage may occur) Maximum diaphragm casing overpressure (above setpoint) to prevent damage to internal parts DIAPHRAGM CASING material TYPE 627 psig bar TYPEs 627R and 627LR TYPE 627M TYPE 627MR TYPEs 627H and 627HM psig psig psig psig bar Die cast aluminum Ductile iron bar Not Available bar bar Not Available Not Available 250 800 250 17.2 250 17.2 Die cast aluminum 375 25.9 375 25.9 Not Available Not Available Ductile iron 465 32.1 465 32.1 465 32.1 465 32.1 Steel or Stainless steel 1500 103 1500 103 1500 103 1500 103 1500 103 All materials 60 4.1 120 8.3 60 4.1 120 8.3 120 8.3 Steel or Stainless steel 250 17.2 17.2 55.2 Not Available 1. If the spring case is pressurized, a metal adjusting screw cap is required. Contact your local Sales Office for details. (for example, disk broken off or disk erosion), the pusher post contacts the lever retainer causing the relief valve assembly to open. Since the diaphragm continues to rise as downstream pressure builds, it opens the relief valve; thereby, opening the valve. This internal relief may be adequate for the application. Downstream Control Line for Type 627M, 627HM, or 627MR Regulator—A Type 627M, 627HM, or 627MR regulator has a blocking throat stem seal with O-rings and a 1/4 NPT control line connection in the diaphragm case. A regulator with a downstream control line is used for monitoring applications or other applications where other equipment is installed between the regulator and the pressure control point. The stem seal separates the body outlet pressure from the diaphragm case. Installation Regulator operation within ratings does not preclude the possibility of damage from debris in the lines or from external sources. A regulator should be inspected for damage periodically and after any overpressure condition. Key numbers referenced in this section are shown in Figures 7 through 13. Ensure that the operating temperature capabilities listed in Specifications section are not exceeded. Note If the regulator is shipped mounted on another unit, install that unit according to the appropriate Instruction Manual. Perform steps 1 through 6 for all types of regulators: 1. Only personnel qualified through training and experience should install, operate, or maintain this regulator. 2. For a regulator that is shipped separately, make sure that there is no damage to or foreign material in the regulator. 3. Ensure that all tubing and piping have been blown free of foreign debris. 4. The regulator may be installed in any position as long as the flow through the body is in the direction indicated by the arrow cast on the body. 5. If continuous operation is required during inspection or maintenance, install a three-valve bypass around the regulator. ! WARNING A regulator may vent some gas to the atmosphere. In hazardous or flammable gas service, vented gas may accumulate and cause personal injury, death, or property damage due to fire or explosion. Vent a regulator in hazardous gas service to a remote, safe location away from air intakes or any hazardous area. The vent line or stack opening must be protected against condensation or clogging. 6. Position the body (key 1) and/or diaphragm spring case (key 29) so it will not collect moisture or debris into the screened vent. If the regulator requires repositioning, refer to the Body Area Maintenance Procedures and/or the Diaphragm and Spring Case Area Maintenance Procedures in the Maintenance section to reposition the screened vent for the application. 5 627 Series vent valve equalizing line gravity feed alcohol drip pot type 627m set lower than working regulator control line needle valve hand valve inlet working regulator a3725 Figure 3. De-Icer System Operational Schematic Perform steps 7 through 9 for Types 627M, 627HM, and 627MR regulators only: 7. A Type 627M, 627HM, or 627MR regulator requires a downstream control line. Install the control line before putting the regulator into operation. 8. Ensure that the downstream control line piping is at least 3/8 inch / 9.5 mm or larger outside diameter tubing and connected to a straight section of outlet piping 10 diameters downstream of the regulator. 9. A hand valve should be installed in the control line. This hand valve can be used to throttle down and dampen outlet pulsations in control pressure which may cause instability or cycling of the regulator. Remote Vent Line Installation All 627 Series regulators have a vent assembly installed in the 3/4 NPT spring case vent opening. The vent assembly can be removed to install a remote vent line if necessary. Remote vent lines must have the largest practical diameter. It should be as short as possible with minimum number of bends or elbows. Protect the remote vent opening against entrance of rain, snow, or any other foreign material that may plug 6 the vent or vent line and prevent proper operation of the regulator. Periodically check the vent opening to be sure it is not plugged with foreign debris. Type 627M or 627HM Regulator De-Icer System Application For the Type 627M or 627HM regulator de-icer system, refer to the application shown in Figure 3. With a large pressure drop across the working regulator, ice can form within this regulator. The formation of ice decreases the size of the orifice, so the regulator is unable to supply enough flow to satisfy the downstream demand. When the downstream pressure falls below the outlet pressure setting of the Type 627M or 627HM regulator, the disk assembly of the Type 627M or 627HM regulator moves off its orifice, permitting alcohol to flow into the main gas line. The alcohol carried to the main regulator by the flowstream prevents additional ice from forming on the orifice. When normal flow resumes, and as pressure in the downstream system is restored, the Type 627M or 627HM regulator shuts off. Overpressure Protection 627 Series regulators have outlet pressure ratings that are lower than their inlet pressure ratings. A pressure- 627 Series Table 3. Type 627R Internal Relief Performance(1) Outlet pressure RANGE, spring PART NUMBER, AND COLOR CODE OUTLET PRESSURE SETTING psig 10 5(3) to 20 psig / 0.34 to 1.4 bar 10B3076X012 Yellow 15 20 15 15 to 40 psig / 1.0 to 2.8 bar 20 40 Maximum Inlet Pressure To Keep Maximum Allowable Downstream System Pressure From Being Exceeded(2) Orifice Size, Inches / mm 3/32 / 2.4 1/8 / 3.2 3/16 / 4.8 1/4 / 6.4 3/8 / 9.5 1/2 / 13 bar psig bar psig bar psig bar psig bar psig bar psig bar psig bar 0.69 60 100 125 175 200 250 4.1 6.9 8.6 12.1 13.8 17.2 1250 2000 2000 2000 2000 2000 86.2 138 138 138 138 138 740 1500 1900 2000 2000 2000 51.0 103 131 138 138 138 320 620 830 1100 1300 1600 22.1 42.7 57.2 75.8 89.6 110 190 390 480 670 770 960 13.1 26.9 33.1 46.2 53.1 66.2 95 180 220 320 360 450 6.6 12.4 15.2 22.1 24.8 31.0 75 130 160 220 260 320 5.2 9.0 11.0 15.2 17.9 22.1 1.0 60 100 125 175 200 250 4.1 6.9 8.6 12.1 13.8 17.2 1000 2000 2000 2000 2000 2000 69.0 138 138 138 138 138 620 1400 1900 2000 2000 2000 42.7 96.5 131 138 138 138 260 610 810 1100 1300 1600 17.9 42.1 55.8 75.8 89.6 110 170 370 480 670 770 960 11.7 25.5 33.1 46.2 53.1 66.2 90 170 220 320 360 450 6.2 11.7 15.2 22.1 24.8 31.0 70 130 160 220 260 320 4.8 9.0 11.0 15.2 17.9 22.1 1.4 60 100 125 175 200 250 4.1 6.9 8.6 12.1 13.8 17.2 850 2000 2000 2000 2000 2000 58.6 138 138 138 138 138 490 1300 1800 2000 2000 2000 33.8 89.6 124 138 138 138 210 600 800 1100 1300 1600 14.5 41.4 55.2 75.8 89.6 110 130 360 480 670 770 960 9.0 24.8 33.1 46.2 53.1 66.2 80 170 220 320 360 450 5.5 11.7 15.2 22.1 24.8 31.0 65 120 160 220 260 320 4.5 8.3 11.0 15.2 17.9 22.1 1.0 60 100 125 175 200 250 4.1 6.9 8.6 12.1 13.8 17.2 1000 2000 2000 2000 2000 2000 69.0 138 138 138 138 138 380 1300 1800 2000 2000 2000 26.2 89.6 124 138 138 138 210 590 800 1100 1300 1600 14.5 40.7 55.2 75.8 89.6 66.2 130 350 470 640 780 960 9.0 24.1 32.4 44.1 53.8 66.2 80 170 220 320 370 450 5.5 11.7 15.2 22.1 25.5 31.0 65 120 160 220 260 320 4.5 8.3 11.0 15.2 17.9 22.1 1.4 60 100 125 175 200 250 4.1 6.9 8.6 12.1 13.8 17.2 630 2000 2000 2000 2000 2000 43.4 138 138 138 138 138 200 1200 1700 2000 2000 2000 13.8 82.7 117 138 138 138 150 550 760 1100 1300 1600 10.3 37.9 52.4 75.8 89.6 66.2 100 330 450 630 770 960 6.9 22.8 31.1 43.4 53.1 66.2 70 160 210 320 360 460 4.8 11.0 14.5 22.1 24.8 31.7 65 120 160 220 260 320 4.5 8.3 11.0 15.2 17.9 22.1 2.1 100 125 175 200 250 6.9 8.6 12.1 13.8 17.2 2000 2000 2000 2000 2000 138 138 138 138 138 950 1500 2000 2000 2000 65.5 103 138 138 138 450 670 1000 1200 1600 31.1 46.2 69.0 82.7 110 260 400 610 760 970 17.9 27.6 42.1 52.4 66.9 140 190 300 360 460 9.7 13.1 20.7 24.8 31.7 110 150 220 260 320 7.6 10.3 15.2 17.9 22.1 2.8 100 125 175 200 250 6.9 8.6 12.1 13.8 17.2 1500 2000 2000 2000 2000 103 138 138 138 138 700 1300 1800 2000 2000 48.3 89.6 124 138 138 330 560 1000 1200 1600 22.8 38.6 69.0 82.7 110 200 340 550 730 970 13.8 23.4 37.9 50.3 66.9 120 180 290 350 460 8.3 12.4 20.0 24.1 31.7 108 140 220 250 320 7.4 9.7 15.2 17.2 22.1 10B3077X012 Green 30 MAXIMUM ALLOWABLE DOWNSTREAM SYSTEM PRESSURE 1. The internal relief performance values are obtained by removing the disk assembly. 2. For inlet pressures in excess of 1000 psig / 69.0 bar, refer to the maximum body and disk pressure ratings in the Specifications section. 3. For pressure settings under 10 psig / 0.69 bar, inlet pressure should be limited to approximately 100 psig / 6.9 bar so the setpoint adjustment can be obtained. - Shaded areas indicate maximum inlet pressures allowed during system malfunction only. Table 1 gives the maximum inlet pressure for normal regulator operation. - continued relieving or pressure-limiting device must be provided by the user for the Types 627, 627H, 627M, and 627HM regulators if the inlet pressure can exceed the outlet pressure rating, since these regulators do not have internal relief. Types 627R and 627LR regulators provide internal relief which limits the total outlet pressure buildup over setpoint. Use Tables 3 and 4 to determine the total outlet pressure. This internal relief may be adequate for the application, if not, provide additional pressure relief or a pressure-limiting device downstream. Startup and Adjustment Startup ! WARNING To avoid personal injury or property damage due to explosion or damage to regulator or downstream components during startup, release downstream 7 627 Series Table 3. Type 627R Internal Relief Performance(1) (continued) OUTLET PRESSURE SETTING MAXIMUM ALLOWABLE DOWNSTREAM SYSTEM PRESSURE Maximum Inlet Pressure To Keep Maximum Allowable Downstream System Pressure From Being Exceeded(2)(3) psig bar psig bar psig bar psig bar psig bar psig bar psig bar psig bar 2.8 125 150 175 200 250 8.6 10.3 12.1 13.8 17.2 2000 2000 2000 2000 2000 138 138 138 138 138 1100 1600 2000 2000 2000 75.8 110 138 138 138 500 750 980 1200 1600 34.5 51.7 67.6 82.7 110 300 440 580 720 940 20.7 30.3 40.0 49.6 64.8 170 230 290 340 450 11.7 15.9 20.0 23.4 31.0 140 180 220 250 320 9.7 12.4 15.2 17.2 22.1 3.4 125 150 175 200 250 8.6 10.3 12.1 13.8 17.2 1400 2000 2000 2000 2000 96.5 138 138 138 138 820 1400 1900 2000 2000 56.5 96.5 131 138 138 400 650 700 1100 1500 27.6 44.8 48.3 75.8 103 230 370 530 670 920 15.9 25.5 36.5 46.2 63.4 150 210 270 330 430 10.3 14.5 18.6 22.8 29.6 140 170 210 240 320 9.7 11.7 14.5 16.5 22.1 60 4.1 125 150 175 200 250 8.6 10.3 12.1 13.8 17.2 900 1700 2000 2000 2000 62.1 117 138 138 138 450 1100 1700 2000 2000 31.0 75.8 117 138 138 270 540 780 1000 1400 18.6 37.2 53.8 69.0 96.5 190 300 470 610 880 13.1 20.7 32.4 42.1 60.7 140 190 250 310 420 9.7 13.1 17.2 21.4 29.0 130 160 200 230 310 9.0 11.0 13.8 15.9 21.4 70 4.8 150 175 200 250 10.3 12.1 13.8 17.2 1200 2000 2000 2000 82.7 138 138 138 850 1400 2000 2000 58.6 96.5 138 138 430 670 920 1300 29.6 46.2 63.4 89.6 250 400 550 830 17.2 27.6 37.9 57.2 170 230 280 400 11.7 15.9 19.3 27.6 160 190 230 310 11.0 13.1 15.9 21.4 80 5.5 150 175 200 250 10.3 12.1 13.8 17.2 800 1500 2000 2000 55.2 103 138 138 500 1200 1700 2000 34.5 82.7 117 138 300 550 800 1200 20.7 37.9 55.2 82.7 200 330 480 770 13.8 22.8 33.1 53.1 160 210 270 390 11.0 14.5 18.6 26.9 150 190 220 300 10.3 13.1 15.2 20.7 70 4.8 175 200 250 12.1 13.8 17.2 1900 2000 2000 131 138 138 600 1200 2000 41.4 82.7 138 400 630 1100 27.6 43.4 75.8 260 380 680 17.9 26.2 46.9 200 250 360 13.8 17.2 24.8 175 210 290 12.1 14.5 20.0 70 to 150 psig / 4.8 to 10.3 bar 80 5.5 10B3079X012 Red 175 200 250 12.1 13.8 17.2 1400 2000 2000 96.5 138 138 250 960 2000 17.2 66.2 138 240 520 1000 16.5 35.9 69.0 200 330 620 13.8 22.8 42.7 190 240 350 13.1 16.5 24.1 175 210 280 12.1 14.5 19.3 100 6.9 200 250 13.8 17.2 1500 2000 103 138 250 1600 17.2 110 240 770 16.5 53.1 230 520 15.9 35.9 210 320 14.5 22.1 210 270 14.5 18.6 Outlet pressure RANGE, spring PART NUMBER, AND COLOR CODE 40 50 35 to 80 psig / 2.4 to 5.5 bar 10B3078X012 Blue Orifice Size, Inches / mm 3/32 / 2.4 1/8 / 3.2 3/16 / 4.8 1/4 / 6.4 3/8 / 9.5 1/2 / 13 125 8.6 250 17.2 2000 138 1000 69.0 500 34.5 390 26.9 290 20.0 260 17.9 150 10.3 250 17.2 1200 82.7 260 17.9 260 17.9 260 17.9 260 17.9 260 17.9 1. The internal relief performance values are obtained by removing the disk assembly. 2. For inlet pressures in excess of 1000 psig / 69.0 bar, refer to the maximum body and disk pressure ratings in the Specifications section. 3. For pressure settings under 10 psig / 0.69 bar, inlet pressure should be limited to approximately 100 psig / 6.9 bar so the setpoint adjustment can be obtained. - Shaded areas indicate maximum inlet pressures allowed during system malfunction only. Table 1 gives the maximum inlet pressure for normal regulator operation. Table 4. Type 627LR Internal Relief Performance(1) OUTLET Outlet pressure RANGE, PRESSURE spring PART NUMBER, SETTING AND COLOR CODE psig 15 to 40 psig / 1.03 to 2.8 bar 10B3077X012 Green 30 40 bar 2.1 2.8 MAXIMUM ALLOWABLE DOWNSTREAM SYSTEM PRESSURE Maximum Inlet Pressure To Keep Maximum Allowable Downstream System Pressure From Being Exceeded(2) Orifice Size, Inches / mm 3/32 / 2.4 1/8 / 3.2 1/4 / 6.4 bar psig bar psig bar psig bar psig bar 55 3.8 500 34.5 270 18.6 110 7.6 80 5.5 60 4.1 850 58.6 480 33.1 200 13.8 120 8.3 66 4.5 1000 69.0 660 45.5 290 20.0 175 12.1 66 4.5 380 26.2 190 13.1 85 5.9 80 5.5 70 4.8 700 48.3 370 25.5 150 10.3 115 7.9 75 5.2 1000 69.0 560 38.6 240 16.5 160 11.0 1. The internal relief performance values are obtained by removing the disk assembly. 2. For inlet pressures in excess of 1000 psig / 69.0 bar, refer to the maximum body and disk pressure ratings in the Specifications section. 8 3/16 / 4.8 psig 627 Series Table 5. Flow Coefficients orifice Inch mm 3/4 NPT Wide-Open Cg for External Relief Sizing NPS 1 / DN 25 bODY Wide-Open Cv for External Relief Sizing Wide-Open Cg for External Relief Sizing C1 Wide-Open Cv for External Relief Sizing NPS 2 / DN 50 BODY C1 Wide-Open Cg for External Relief Sizing Wide-Open Cv for External Relief Sizing C1 3/32 2.4 6.9 0.24 29.2 6.9 0.24 28.5 6.9 0.23 29.7 1/8 3.2 12.5 0.43 29.1 12.5 0.43 29.4 12.5 0.42 29.5 3/16 4.8 29 1.01 28.6 29 0.93 31.2 29 1.02 28.5 1/4 6.4 50 1.63 30.6 50 1.71 29.3 52 1.66 31.3 3/8 9.5 108 2.99 36.1 108 3.42 31.6 115 3.39 33.9 1/2 13 190 4.87 39.0 190 5.29 35.9 200 5.01 39.9 Table 6. IEC Sizing Coefficients ORIFICE SIZE Xt FD FL Inch mm 3/4 NPT Body NPS 1 / DN 25 Body NPS 2 / DN 50 Body 3/32 2.4 0.539 0.514 0.558 0.85 1/8 3.2 0.536 0.547 0.539 0.79 3/16 4.8 0.517 0.616 0.514 1/4 6.4 0.592 0.543 0.620 3/8 9.5 0.824 0.632 0.727 0.89 1/2 13 0.962 0.815 1.01 0.86 0.85 0.50 0.87 Table 7. Maximum Torque Values Maximum torque key number(1) Description 2 Orifice 25 34 Cap screw (with aluminum diaphragm casing) 16 22 Cap screw (with ductile iron or steel/stainless steel diaphragm casing) 25 34 Lever cap screw 7 9.5 22 Diaphragm connector nut 17 23 26 Guide retainer (for Types 627R, 627LR, and 627MR only) 3 4.1 Spring case cap screw (with aluminum or ductile iron diaphragm casing) 7 9.5 Spring case cap screw (with steel/stainless steel diaphragm casing) 35 47 Diaphragm cap screw (with Type 627 or 627M) 7 9.5 Diaphragm cap screw (with Type 627H or 627HM) 14 19 3 18 37 46 foot-pounds N•m 1. Refer to Figures 7 through 13 for key number locations. pressure to prevent an overpressure condition on the diaphragm of the regulator. In order to avoid an overpressure condition and possible equipment damage, pressure gauges should always be used to monitor pressures during startup. 1. Slowly open the upstream shut-off valve. 2. Slowly open the downstream shut-off valve. 3. Check all connections for leaks. 4. Make final control spring adjustments according to the adjustment procedures. Adjustment The range of allowable pressure settings is marked on the nameplate. If a pressure setting beyond this range is necessary, substitute the appropriate regulator control spring. Change the nameplate to indicate the new pressure range. Before increasing the setting, refer to Table 1, 2, 3, or 4. Review the pressure limits for the control spring range being used and be certain that the new pressure setting will not result in an overpressure condition. Note Always use a pressure gauge to monitor pressure when making adjustments. 9 627 Series Refer to Figures 7 through 13 for key number locations. 1. Remove the adjusting screw cap (key 36). 2. Loosen the locknut (key 34). 3. Increase the outlet pressure setting by turning the adjusting screw (key 35) clockwise. Decrease the outlet pressure setting by turning the adjusting screw counterclockwise. RELIEF INDICATOR CAP (KEY 49) 4. When the desired pressure is obtained, hold the adjusting screw (key 35) in place and tighten the locknut (key 34). Shutdown W4665 ! WARNING To avoid personal injury or property damage due to explosion or damage to regulator or downstream components during shutdown, release downstream pressure to prevent an overpressure condition on the diaphragm of the regulator. 1. Close the nearest upstream shut-off valve. 2. Close the nearest downstream shut-off valve. 3. Open the vent valve between the regulator and the downstream shut-off valve nearest to it. 4. For a Type 627, 627H, 627R, or 627LR regulator, the regulator will open to release pressure between the upstream shut-off valve and the regulator. 5. A Type 627M, 627HM, or 627MR regulator requires venting the control line and downstream pressure from the regulator before maintenance. The pressure between these shut-off valves is released through the open regulator because the disk assembly remains open in response to the decrease in control line pressure. Maintenance Unless otherwise specified, the following maintenance procedures apply to all types of regulators. For a summary of maximum torque values required for all types of regulators, refer to Table 7. Due to normal wear, damage from external sources, or debris in the air or gas line, regulator parts such as the disk assembly, orifice, and diaphragm must 10 Figure 4. Relief Indicator be inspected periodically and replaced as necessary to ensure correct performance. The frequency of inspection and replacement depends upon the severity of conditions and the requirements of state and federal laws. Normal wear of the orifice and disk assembly is accelerated with high pressure drops and with large amounts of impurities in the flowstream. Instructions are given below for replacing the disk assembly, orifice, diaphragm, and O-rings. These procedures may also be used for disassembly required for inspection and replacement of other parts. Problem Indication for Types 627R, 627LR, and 627MR Regulators ! WARNING Isolate the regulator from all pressure to avoid personal injury and equipment damage due to explosion or sudden release of process pressure. Cautiously release pressure from the regulator before attempting disassembly. The vent assembly is equipped with a relief indicator (key 49, Figure 4). The cap for the relief indicator snaps over the vent assembly opening. If the relief valve opens wide, exhaust gas pops the cap off the screen vent assembly opening indicating a problem with the regulator. If the cap pops off, refer to the shutdown and to the Body Area Maintenance Procedures to inspect the disk assembly and orifice. If the disk assembly and orifice are not damaged, refer to the Diaphragm and Spring Case Area Maintenance Procedures in this section. 627 Series Lever (key 15) Diaphragm Casing O-Ring (key 4) Stem (key 10) Body (key 1) Disk Assembly (key 9) Stem Back-up Rings (key 12) Diaphragm Casing (key 5) Hair Pin Clip (key 13) Stem Guide (key 8) Stabilizer (key 7) Stem O-Ring (key 11) Cap Screw (key 3) Boost Body (key 6) Pitot tube and Tab for Type 627 Only orifice (Key 2) W4792 Types 627, 627H, 627R, and 627LR Blocked Throat Back-up Rings (key 45) Blocked Throat (key 43) BloCked Throat O-Rings (key 44) W4791 Types 627M, 627HM, and 627MR Figure 5. Stem Assemblies The disk assembly and orifice can be inspected, removed, and replaced without removing the regulator body from the line connections. Refer to the Body Area Maintenance Procedures. Body Area Maintenance Procedures These procedures are for gaining access to the disk assembly, orifice, diaphragm casing O-ring, and stem assembly. All pressure must be released from the diaphragm casing before performing these steps. While using the following procedures, refer to Figures 7 through 13 for key number locations. Replacing the Disk Assembly or Orifice 1. To inspect and replace the disk assembly (key 9) or orifice (key 2), remove the cap screws (key 3, Figure 5), and separate the diaphragm casing (key 5) from the body (key 1). 2. Inspect and, if necessary, remove the orifice (key 2). If removed, coat the threads of the replacement orifice with lubricant and torque to 25 foot-pounds / 34 N•m. 3. Inspect the disk assembly (key 9) and, if necessary, remove the hair pin clip (key 13) that holds the disk assembly (key 9) in place. If replacing the disk assembly is the only maintenance required, skip to step 16. Replacing the Stem Assembly If it is necessary to perform maintenance on the stem assembly, continue with steps 4 through 8 and 15 through 19 for Types 627, 627H, 627R, and 627LR regulators, or steps 9 through 19 for Types 627M, 627HM, and 627MR regulators. Perform steps 4 through 8 for Types 627, 627H, 627R, and 627LR Regulators only: 4. Use steps 5 through 8 to remove and replace the stem assembly. 5. Remove the boost body (key 6), stabilizer (key 7), and stem guide (key 8) from the diaphragm casing (key 5). Unhook and remove the stem (key 10) from the diaphragm casing (key 5). 6. Remove and inspect the diaphragm casing O-ring (key 4, Figure 7, 8, 9, or 12) and replace it if necessary. 11 627 Series DIAPHRAGM (KEy 23) DIAPHRAGM HEAD (KEy 24) RELIEF vALvE o-RING (KEy 28) PuSHER PoST (KEy 19) DIAPHRAGM CoNNECToR NuT (KEy 22) RELIEF vALvE SPRING (KEy 27) W4668 RELIEF SEAL RETAINER (KEy 47) LoWER SPRING SEAT (KEy 31) DIAPHRAGM CoNNECToR ASSEMBLy (KEy 21) RELIEF SPRING SEAT (KEy 25) GuIDE RETAINER o-RING (KEy 48) GuIDE RETAINER (KEy 26) TyPE 627, 627R, 627LR, 627M, oR 627MR DIAPHRAGM LIMITER (KEy 50) DIAPHRAGM (KEy 23) DIAPHRAGM HEAD (KEy 24) PuSHER PoST (KEy 19) W5433-1 DIAPHRAGM LIMITER o-RING (KEy 51) DIAPHRAGM HEAD CAP SCREW (KEy 46) PuSHER PoST o-RING (KEy 52) TyPES 627H AND 627HM Figure 6. Diaphragm Assemblies 7. Apply lubricant to a replacement diaphragm casing O-ring (key 4, Figure 7, 8, 9, or 12) and install it onto the boost body (key 6). Skip to step 14. 8. For the Type 627 or 627H regulators, be sure to insert the pitot tube (tab) into the outlet side of the body (see Figure 7 or 12). Skip to step 14. Perform steps 9 through 19 for Types 627M, 627HM, and 627MR Regulators only: 9. Use steps 10 through 14 to remove and replace the stem assembly. 10. To remove the blocked throat (key 43), insert a screw driver blade into the groove provided in the throat and pry it out of the diaphragm casing (key 5). Inspect and replace parts as necessary. 11. Inspect and, if necessary, replace the blocked throat O-rings (key 44, Figure 5) and back-up rings (key 45, Figure 5). 12 12. Apply lubricant to replacement blocked throat O-rings (key 44) and back-up rings (key 45). 13. Apply lubricant to the replacement stem O-ring (key 11) and stem back-up rings (key 12) and install them on the stem (key 10). 14. For assembly, lubricate the stem (key 10) and insert the diaphragm casing (key 5) and hook it on the lever (key 15). 15. Lubricate the contact points of the lever (key 15). 16. Insert parts into the diaphragm casing (key 5) that were removed in steps 5 and 6 or step 10 (see Figure 5). 17. Install the disk assembly (key 9), line up the hole in the disk assembly and stem (key 10) and insert the hair pin clip (key 13). 18. Position the diaphragm casing (key 5) plus attached parts in relation to the body (key 1) so that they are correct for the application. 627 Series 19. Secure the diaphragm casing (key 5) to the body with the cap screws (key 3, Figure 5). For an aluminum diaphragm casing, torque the cap screws (key 3) to 16 foot-pounds / 22 N•m. For ductile iron or steel diaphragm casings, torque the cap screws (key 3) to 25 foot-pounds / 34 N•m. 20. It may be necessary to reposition the diaphragm spring case to prevent rain, ice, and foreign debris from entering the spring case. Refer to the Diaphragm and Spring Case Area Maintenance Procedures, steps 1, 2, and 21 through 25. Diaphragm and Spring Case Area Maintenance Procedures These procedures are for gaining access to the control spring, diaphragm assembly, and lever assembly. All spring pressure must be released from the diaphragm casing before these steps can be performed. While using the following procedures, refer to Figures 7 through 13 for key number locations. 1. Remove the adjusting screw cap (key 36), loosen the lock nut (key 34), and turn the adjusting screw (key 35) counterclockwise until all compression is removed from the control spring (key 32). 2. Remove the spring case cap screws (key 37), the nameplates, and lift off the spring case (key 29). If changing the control spring (key 32) or repositioning the spring case (key 29) is the only maintenance required, install the replacement control spring or rotate the spring case so it is correct for the application. Skip to step 21. For diaphragm area maintenance, continue with step 3. 3. Remove the diaphragm limiter O-ring and diaphragm limiter (keys 51 and 50, on the Type 627H or 627HM only). Remove the diaphragm assembly by tilting it so that the pusher post (key 19) slips off the lever (key 15). 4. If it is necessary to replace the lever assembly, remove the lever cap screws (key 18). 5. Install the replacement lever (key 15) into the lever retainer (key 16) by inserting the lever pin (key 17). Secure the lever assembly into the diaphragm casing with the cap screws (key 18) and torque the cap screws to 7 foot-pounds / 9.5 N•m. If it is necessary to perform maintenance on the diaphragm assembly, continue with steps 6 through 11 and step 20 for Types 627, 627H, 627M, and 627HM regulators, or steps 12 through 19 for Types 627R, 627LR, and 627MR regulators. Perform steps 6 through 11 for Types 627, 627H, 627M, and 627HM Regulators only: 6. For Types 627, 627H, 627M, and 627HM regulators (Figures 5 and 6), use steps 7 through 11 to disassemble and reassemble the diaphragm assembly. 7. Remove the diaphragm head cap screw (key 46), lower spring seat (key 31, Type 627 or 627M only), and diaphragm head (key 24). On the Type 627H or 627HM, remove the pusher post O-rings (key 52). Separate the diaphragm (key 23) from the pusher post (key 19). 8. Install the diaphragm (key 23), in reverse order in step 7, on the pusher post (key 19), insert and finger tighten the diaphragm head cap screw (key 46). 9. Hook the pusher post on the lever (key 15), then turn the diaphragm (key 23) to match the holes in the diaphragm with the holes in the spring casing. 10. Unhook the pusher post from the lever (key 15) and torque the diaphragm head cap screw (key 46) to 7 foot-pounds / 9.5 N•m for the Type 627 or 627M. On the Type 627H or 627HM, torque the diaphragm head cap screw to 14 foot-pounds / 19 N•m. 11. Hook the pusher post on the lever (key 15) and check the hole alignment. If necessary, loosen the cap screw (key 46) and reposition the diaphragm (key 23) on the pusher post (key 19). Retorque the screw (see step 10). Skip to step 20. Perform steps 12 through 19 for Types 627R, 627LR, and 627MR Regulators only: 12. For Types 627R, 627LR, and 627MR regulators (Figure 6), use steps 13 through 19 to disassemble and reassemble the diaphragm assembly. 13. Remove the guide retainer (key 26) and separate the diaphragm parts. Refer to Figure 6 for the sequence of parts. 14. To remove the diaphragm (key 23), remove the diaphragm connector nut (key 22) and lift off the diaphragm head (key 24) and diaphragm (key 23) from the connector assembly (key 21). Do not attempt to disassemble the connector assembly (key 21). 13 627 Series 15. Position the replacement diaphragm (key 23) on the connector assembly (key 21), install the diaphragm head (key 24) and connector nut (key 22), then torque to 17 foot-pounds / 23 N•m. 16. If necessary, replace the guide retainer O-ring (key 48) and, set the guide retainer (key 26) aside, ready for assembly. 17. On the pusher post (key 19) install the relief seal O-ring (key 28) and apply lubricant. Also, install the relief seal retainer (key 47), diaphragm connector assembly (key 21, with attached parts) relief spring (key 27), upper relief spring seat (key 33), and guide retainer (key 26). Torque the guide retainer (key 26) to 3 foot-pounds / 4.1 N•m. 18. Hook the pusher post (key 19) (with attached parts) on the lever (key 15) to check the alignment of the holes in the diaphragm with the holes in the spring casing. If the holes do not line up, unhook the pusher post from the lever, hold the pusher post, and rotate the diaphragm to the correct position. 19. Install the lower spring seat (key 31) over the relief spring so it rests flat on the connector nut (key 22). 20. Insert the diaphragm assembly into the diaphragm casing (key 5) and hook the pusher post on the lever (key 15). 21. Install the control spring (key 32) and upper spring seat (key 33), and apply lubricant to the upper spring seat (key 33). 22. Install the spring case (key 29) so that the screened vent assembly (key 30) is in the correct position for the application. Place the nameplates over the screw holes, insert the spring case cap screws (key 37), and finger tighten. 23. Screw in the adjusting screw (key 35) to put slack into the diaphragm (key 23). 24. Using a crisscross pattern, finish tightening the spring case cap screws (key 37) to 7 foot-pounds / 9.5 N•m of torque. 25. If necessary, refer to the installation and/or the Startup and Adjustment procedures. 26. Install the adjusting locknut (key 34) after regulator adjustment. Parts Ordering When corresponding with your local Sales Office about this equipment, always reference the equipment serial number or FS number that can be 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. Key Description Type 627 Parts Kit with Aluminum/Nitrile (NBR) trim (include keys 4, 9, 11, 12, and 23) Type 627 Parts Kit with Stainless steel/ Nitrile (NBR) trim (include keys 4, 9, 11, 12, and 23) Type 627H Parts Kit with SST/Nylon (PA) trim Type 627R Parts Kit with Aluminum/ Nitrile (NBR) trim (include keys 4, 9, 11, 12, 23, 28, and 48) Type 627R Parts Kit with Stainless steel/ Nitrile (NBR) trim (include keys 4, 9, 11, 12, 23, 28, and 48) 1 Body(1) Ductile iron 1000 psig / 69.0 bar maximum inlet pressure 3/4 NPT 1 NPT 2 NPT Ductile iron (Long Body) 1000 psig / 69.0 bar maximum inlet pressure 1 NPT 2 NPT Steel 2000 psig / 138 bar maximum inlet pressure 3/4 NPT 1 NPT 2 NPT Steel (Long Body) 2000 psig / 138 bar maximum inlet pressure 1 NPT 2 NPT Steel, CL600 RF flanged 1500 psig / 103 bar maximum inlet pressure NPS 1 / DN 25 NPS 2 / DN 50 Steel, CL300 RF flanged 750 psig / 51.7 bar maximum inlet pressure NPS 1 / DN 25 NPS 2 / DN 50 1. Bodies can be used for both standard and NACE constructions. 14 Part Number R627X000A12 R627X000S12 R627HX00S12 R627RX00A12 R627RX00S12 30B3046X012 30B3048X012 30B3096X012 39B2451X012 39B0414X012 30B3050X012 30B3051X012 30B7452X012 39B0412X012 39B0415X012 40B6754X012 40B6756X012 41B8978X012 41B8080X012 627 Series Key Description 1 Body (continued) Steel, CL150 RF flanged 290 psig / 20.0 bar maximum inlet pressure NPS 1 / DN 25 NPS 2 / DN 50 Steel, BWE 1000 psig / 69.0 bar maximum inlet pressure NPS 1 / DN 25 NPS 2 / DN 50 Steel, PN 16/25/40 RF 580 psig / 40.0 bar maximum inlet pressure NPS 1 / DN 25 NPS 2 / DN 50 Stainless Steel(2), NPT 2000 psig / 138 bar maximum inlet pressure 3/4 NPT 1 NPT 2 NPT Stainless Steel(2), CL150 RF flanged 275 psig / 18.9 bar maximum inlet pressure NPS 1 / DN 25 NPS 2 / DN 50 Stainless Steel(2), CL300 RF flanged 720 psig / 49.6 bar maximum inlet pressure NPS 1 / DN 25 NPS 2 / DN 50 Stainless Steel(2), CL600 RF flanged 1440 psig / 99.2 bar maximum inlet pressure NPS 1 / DN 25 NPS 2 / DN 50 Stainless Steel(2), PN 16/25/40 RF 580 psig / 40.0 bar maximum inlet pressure NPS 1 / DN 25 NPS 2 / DN 50 2* Orifice Aluminum 3/32 inch / 2.4 mm 1/8 inch / 3.2 mm 3/16 inch / 4.8 mm 1/4 inch / 6.4 mm 3/8 inch / 9.5 mm 1/2 inch / 13 mm 303 Stainless steel 3/32 inch / 2.4 mm 1/8 inch / 3.2 mm 3/16 inch / 4.8 mm 1/4 inch / 6.4 mm 3/8 inch / 9.5 mm 1/2 inch / 13 mm 316 Stainless steel, NACE construction only 3/32 inch / 2.4 mm 1/8 inch / 3.2 mm 3/16 inch / 4.8 mm 1/4 inch / 6.4 mm 3/8 inch / 9.5 mm 1/2 inch / 13 mm 3 Cap Screw (not shown), (2 required) 627 Series For Ductile iron/Steel diaphragm case For Aluminum diaphragm case (not applicable for Types 627H and 627HM) Type 627 Only For Ductile iron/Steel diaphragm case For Aluminum case with Steel diaphragm case For SST Case and body For Aluminum Case and SST body Part Number (1) 43B8656X022 44B0666X012 33B6723X012 38B1688X012 44B0386X012 44B3342X012 30B3050X062 30B3051X092 30B7452X052 43B8656X052 44B0666X022 41B8978X072 41B8080X072 40B6754X102 40B6756X062 44B0386X032 44B3342X032 0R044109022 1A936709012 00991209012 0B042009012 0B042209012 1A928809012 0R044135032 1A936735032 00991235032 0B042035032 0B042235032 1A928835032 0R0441X0012 1A9367X0022 009912X0012 0B0420X0012 0B0422X0012 1A9288X0012 1A560724052 1A352524052 1A5607X0052 10A3869X012 1A5607X0052 10A3869X022 Key Description 4* Diaphragm Case O-ring Nitrile (NBR) For Type 627, 627H, or 627R only Fluorocarbon (FKM) For Types 627, 627R, and 627LR only 5 Diaphragm Case For Type 627, 627R, or 627LR Aluminum without 1/8-inch / 3.2 mm gauge tap Aluminum with 1/8-inch / 3.2 mm gauge tap for 627 Series (except Types 627H and 627HM) Ductile iron without 1/8-inch / 3.2 mm gauge tap Ductile iron with 1/8-inch / 3.2 mm gauge tap for 627 Series (except Types 627H and 627HM) For Type 627, 627R, or 627LR Steel Ductile iron with 1/4 NPT gauge tap for 627 Series (except Types 627H and 627HM) Steel with 1/4 NPT gauge tap for 627 Series (except Type 627H) For Type 627M or 627MR Ductile iron Steel For Type 627H, Steel For Type 627, Stainless steel For Type 627HM, Steel 6 Boost Body (not for Type 627M, 627HM, or 627MR), Delrin® For Type 627 or 627H For Type 627R or 627LR 7 Stabilizer Nitrile (NBR) For Types 627, 627H, 627R, and 627LR only Fluorocarbon (FKM) For Types 627, 627R, and 627LR only 8 Stem Guide (for Types 627, 627H, 627R, and 627LR only), Powdered metal 9* Disk Assembly (for all Orifice Size) Aluminum holder and Nitrile (NBR) disk 303 Stainless steel holder and Nitrile (NBR) disk Aluminum holder and Nylon (PA) disk 303 Stainless steel holder and Nylon (PA) disk 316 Stainless steel holder and Nylon (PA) disk 316 Stainless steel holder and Nitrile (NBR) disk 303 Stainless steel holder and Fluorocarbon (FKM) disk Aluminum holder and Fluorocarbon (FKM) disk 316 Stainless steel holder and Fluorocarbon (FKM) disk 10 Stem 303 Stainless steel 316 Stainless steel (NACE) 11* Stem O-ring Nitrile (NBR) Fluorocarbon (FKM) For Types 627, 627R, 627LR, 627M, and 627MR only 12* Stem Back-up Ring, Polytetrafluoroethylene (PTFE) (2 required) 13 Hair Pin Clip, Stainless steel 14 Drive Pin, Plated steel 15 Lever, Plated steel 16 Lever Retainer, Plated steel 17 Lever Pin Stainless steel 316 Stainless steel (NACE) Part Number 17A2325X022 10A0037X012 40B3084X012 11B5380X012 30B3053X012 31B0641X012 30B3104X012 39A5987X012 30B8734X012 39A5987X012 30B8734X012 30B3104X012 30B3104X082 30B8734X012 30B3056X012 30B3057X012 10B3060X012 10B3060X022 20B3061X012 1C4248X0212 1C4248X0202 1C4248X00A2 1C4248X0062 1C4248X0262 1C4248X0252 1C4248X0052 1C4248X0182 1C4248X0192 10B3059X012 10B3059X022 1D687506992 1N430406382 1K786806992 10B3058X012 1H3671X0012 20B3063X012 30B3097X012 10B3083X012 10B3083X022 *Recommended spare part. 1. Bodies can be used for both standard and NACE constructions. 2. Stainless steel body material can be used for applications in temperature ranges down to -40°F / -40°C and are only available for Types 627, 627R, and 627H. Delrin® is a mark owned by E.I. du Pont de Nemours and Co. 15 627 Series Key Description 18 Lever Cap Screw (2 required) Plated steel 316 Stainless steel (NACE) 19 Pusher Post, Aluminum For Type 627 or 627M For Type 627R, 627LR, or 627MR For Type 627H or 627HM, 416 Stainless steel Stainless steel (NACE) 21 Diaphragm Connector (for Type 627R, 627LR, or 627MR only), Stainless steel 22 Diaphragm Connector Nut (for Type 627R, 627LR, or 627MR only), Stainless steel 23* Diaphragm Nitrile (NBR) For Type 627 or 627M with Aluminum or Ductile iron diaphragm case For Type 627 or 627M with Steel diaphragm case For Type 627R, 627LR, or 627MR with Aluminum or Ductile iron diaphragm case For Type 627R, 627LR, or 627MR with Steel diaphragm case For Type 627H or 627HM with Steel diaphragm case (diaphragm is Neoprene (CR) with Nylon (PA) fabric) Fluorocarbon (FKM) For Types 627R, 627LR, and 627MR with Steel case For Types 627 and 627M with Steel case For Types 627R, 627LR, and 627MR with Ductile Iron and Aluminum Casing For Types 627 and 627M with Ductile Iron and Aluminum Casing 24 Diaphragm Head, Plated steel For Type 627 or 627M, Plated steel For Type 627R, 627LR, or 627MR, Plated steel For Type 627H or 627HM, 416 Stainless steel 25 Relief Spring Seat (For Type 627R or 627MR only), Steel 26 Guide Retainer (For Type 627R, 627LR, or 627MR only), Stainless steel 27 Relief Spring (For Type 627R or 627MR only), Plated steel For Type 627LR 28* Relief Seal O-ring Nitrile (NBR) For Type 627R, 627LR, or 627MR only Fluorocarbon (FKM) For Types 627R, 627LR, and 627MR only 29 Spring Case For Type 627, 627R, or 627LR Aluminum Ductile iron Steel Stainless steel (Types 627 and 627R only) 29 Spring Case (continued) For Type 627M or 627MR Ductile iron Steel For Type 627H or 627HM Steel Stainless steel (Type 627H only) *Recommended spare part. 16 Part Number 10B7454X012 1B2905X0012 10B3098X012 10B3098X022 10B3098X032 10B3098X102 28B8832X012 10B7449X012 10B3069X012 10B8735X012 10B3068X012 10B8736X012 12B0178X012 10B8736X022 10B8735X042 10B3068X022 10B3069X032 1D666428982 10B3071X012 12B0175X012 10B7446X012 10B7450X012 10B6757X012 1B541327022 1J108506992 1J1085X0042 40B3086X012 30B3055X012 30B3102X012 30B3102X092 30B3055X012 30B3102X012 30B3102X012 30B3102X092 Key Description 30 Screened Vent Assembly, Plastic 31 Lower Spring Seat, Plated steel For Type 627 or 627M For Type 627R, 627LR, or 627MR 32 Control Spring, Plated steel 5 to 20 psig / 0.34 to 1.4 bar, Yellow 15 to 40 psig / 1.0 to 2.8 bar, Green 35 to 80 psig / 2.4 to 5.5 bar, Blue 70 to 150 psig / 4.8 to 10.3 bar, Red 140 to 250 psig range / 9.7 to 17.2 bar, Blue, used for Type 627H or 627HM 240 to 500 psig range / 16.5 to 34.5 bar, Red, used for Type 627H or 627HM 33 Upper Spring Seat, Plated steel 34 Locknut, Plated steel 35 Adjusting Screw, Plated steel For Type 627, 627M, 627H, or 627HM For Type 627R, 627LR, or 627MR 36 Adjusting Screw Cap, Plastic 37 Spring Case Cap Screw, Plated steel (8 required) For Aluminum or ductile iron diaphragm case For Steel diaphragm case For Stainless steel case and body For Aluminum case and SST body For Type 627H/HM, steel diaphragm case For Type 627H, Stainless steel case and body 43 Blocked Throat (For Type 627M, 627HM, or 627MR only), Stainless steel 44* Blocked Throat O-ring Nitrile (NBR) For Type 627M, 627HM, or 627MR only (2 required) Fluorocarbon (FKM) For Types 627M and 627MR only 45* Blocked Throat Back-up Ring (For Type 627M, 627HM, or 627MR only), PTFE (2 required) 46 Diaphragm Head Cap Screw, Steel For Type 627 or 627M For Type 627H or 627HM 47 Relief Seal Retainer (For Type 627R, 627LR, or 627MR only), Stainless steel 48* Guide Retainer O-ring Nitrile (NBR) For Type 627R, 627LR, or 627MR only Fluorocarbon (FKM) For Types 627R, 627LR, and 627MR only 49 Relief Indicator (For Type 627R, 627LR, or 627MR only), Rubber (not shown) 50 Diaphragm Limiter (For Types 627H and 627HM only) 51* Diaphragm Limiter O-ring For Types 627H and 627HM only 52* Pusher Post O-ring (2 required) For Types 627H and 627HM only 58 Pipe Plug, Zinc 67 Drive Screw, 18-8 Stainless steel 72 Pipe Plug, Zinc-plated steel Part Number 10B3093X012 1D666625072 20B3073X012 10B3076X012 10B3077X012 10B3078X012 10B3079X012 10B3078X012 10B3079X012 1D667125072 1D667728982 10B3081X012 10B3080X012 20B3082X012 1A391724052 1A368324052 1A3683X0062 1A3917X0062 1A346424052 1A3464X0022 10B3085X012 1E264306992 1E2643X0022 10B3106X012 1B290524052 1C379124052 10B7445X012 1D682506992 1N423906382 30B3100X012 22B0176X012 1K877606992 1C853806992 1D8293T0022 1A368228982 1A767524662 627 Series 35 36 34 32 29 L1 18 33 37 30 5 31 8 24 4 L2 7 L1 23 6 46 1 19 2 15 9 L2 16 11 14 17 L2 L2 12 10 L1 13 L2 30B3092_G apply lubricant(1) L1 = multi-purpose lithium polymer type grease l2 = extreme low-temperature bearing grease parts not shown: 3 1. Lubricants must be selected such that they meet the temperature requirements. Figure 7. Type 627 Regulator Assembly 17 627 Series 29 49 25 48 31 24 23 L2 47 19 34 36 35 33 26 37 L1 5 30 8 27 4 22 6 21 1 28 2 L1 15 L2 7 9 14 17 16 11 12 L2 L2 L2 10 L2 30B3089_G apply lubricant(1) L1 = multi-purpose lithium polymer type grease l2 = extreme low-temperature bearing grease parts not shown: 3 1. Lubricants must be selected such that they meet the temperature requirements. Figure 8. Type 627R Regulator Assembly 18 32 18 13 L1 627 Series 29 34 36 49 48 31 24 23 L2 47 19 35 33 26 32 18 37 L1 5 30 8 27 4 22 7 6 21 1 28 2 L1 15 L2 L2 9 14 17 16 L2 L1 10 13 L2 38B4843_C apply lubricant(1) L1 = multi-purpose lithium polymer type grease l2 = extreme low-temperature bearing grease parts not shown: 3 1. Lubricants must be selected such that they meet the temperature requirements. Figure 9. Type 627LR Regulator Assembly 19 627 Series 35 36 34 32 29 L1 18 33 37 30 5 31 44 24 L2 45 L1 23 43 46 1 19 2 15 14 17 L2 16 11 12 10 13 L2 L2 L2 30B6433_E apply lubricant(1) L1 = multi-purpose lithium polymer type grease l2 = extreme low-temperature bearing grease parts not shown: 3 1. Lubricants must be selected such that they meet the temperature requirements. Figure 10. Type 627M Regulator Assembly 20 9 L1 627 Series 29 49 25 48 31 24 23 L2 47 19 34 36 35 33 26 32 37 L1 5 30 27 44 22 L2 45 43 21 1 28 2 L1 15 18 9 14 17 16 11 12 L2 L2 L2 10 L1 13 L2 30B6434_E apply lubricant(1) L1 = multi-purpose lithium polymer type grease l2 = extreme low-temperature bearing grease parts not shown: 3 1. Lubricants must be selected such that they meet the temperature requirements. Figure 11. Type 627MR Regulator Assembly 21 627 Series 34 35 36 29 32 52 L1 51 33 18 30 5 24 8 37 4 50 L2 7 L1 23 6 46 1 19 2 9 15 L2 14 17 16 L2 11 L2 12 10 L2 31B5374_D apply lubricant(1) L1 = multi-purpose lithium polymer type grease l2 = extreme low-temperature bearing grease parts not shown: 3 1. Lubricants must be selected such that they meet the temperature requirements. Figure 12. Type 627H Regulator Assembly 22 13 L1 627 Series 35 36 34 32 29 52 L1 51 33 18 5 30 50 24 44 37 L2 45 23 43 46 1 19 2 L1 15 16 11 12 14 17 L2 L2 L2 10 13 9 L1 L2 31B9872_D apply lubricant(1) L1 = multi-purpose lithium polymer type grease l2 = extreme low-temperature bearing grease parts not shown: 3 1. Lubricants must be selected such that they meet the temperature requirements. Figure 13. Type 627HM Regulator Assembly 23 627 Series 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 75069-1872, USA Tel: +1 800 558 5853 Outside U.S. +1 972 548 3574 USA - Headquarters McKinney, Texas 75069-1872, 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 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., 1986, 2013; All Rights Reserved
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