Emerson H200 Series Relief Valves Data Sheet
2015-03-30
: Emerson Emerson-H200-Series-Relief-Valves-Data-Sheet-681284 emerson-h200-series-relief-valves-data-sheet-681284 emerson pdf
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Bulletin 71.4:H200 December 2009 H200 Series Relief Valves W1929–1 W0120–1 Figure 1. External View of H200 Series Relief Valve Figure 2. Sectional View of H200 Series Relief Valve Introduction Features The H200 Series Pop™ relief valves, Figures 1 and 2, are self-operated relief valves with preset and pinned spring retainers. The inlet pressure registers directly on a spring-opposed poppet assembly which includes a Nitrile (NBR) disk. When the inlet gas pressure increases above the spring setting, the poppet and disk assembly is pushed away from the orifice. Springs are available that provide any relief pressure setting from 25 to 300 psig (1,7 to 20,7 bar). • Space-Saving Construction - Small relief valve size allows installation where space is limited. With this simple operation and wide spring setting selection, the H200 Series Pop relief valves may be used where venting to atmosphere is acceptable, where the process gas is compatible with the Nitrile (NBR) disk, where its relief capacity is adequate, and where some pressure relieving tolerance is acceptable. Common applications include use on pneumatic control lines of air drills, jackhammers and other similar equipment, and on farm tap installations. The H200 Series is comprised of the Types H202 and H203 relief valves with the difference being in the inlet connection size. • Economical - Low initial cost, easy installation, and high capacity per dollar invested reduces total cost of having relief valve capabilities in your system. • Durable - Brass body construction and stainless steel spring reduces susceptibility to corrosion damage and the preset, pinned spring retainer prevents relief valve setpoint tampering. Installation This relief valve may be installed in any position but must be oriented so that gas discharged from the valve does not create a fire, toxic, or explosion hazard. The relief valve should be protected from material and conditions that could clog the outlet side of the valve and affect the venting of gas. A typical installation is shown in Figure 3. A Type P145 raincap is recommended for use with any H200 Series relief valve. Dimensions are shown in Figure 4. D100165X012 The relief valve and installation should be checked for compliance with all applicable codes. www.fisherregulators.com Bulletin 71.4:H200 Specifications Available Configurations and End Connections Type H202: 3/4 NPT connection Type H203: 1 NPT connection Construction Materials Body, Poppet, and Spring Retainer: Brass Disk: Nitrile (NBR) Spring: 302 Stainless Steel Maximum Allowable Relief (Inlet) Pressure(1) 400 psig (27,6 bar) Temperature Capabilities(1) -20° to 160°F (-29° to 71°C) Relief Pressure Ranges(1) See Tables 1 and 2 Approximate Weight 0.5 pounds (0,2 kg) Flow Capacity See Table 2 Option Type P145 raincap Representative Wide-Open Sizing Coefficient Cg: 405 1. The pressure/temperature limits in this Bulletin or any applicable code limitations should not be exceeded. Table 1. Relief Pressure Spring Ranges RELIEF PRESSURE SETTINGS RELIEF SETTING TOLERANCE Psig bar SPRING PART NUMBER SPRINg COLOR Psig bar 25 to 30 31 to 55 1,7 to 2,1 2,1 to 3,8 1H485637022 1J152137022 Pink White ±5 ±0,34 56 to 75 65 to 95 90 to 130 3,9 to 5,2 4,5 to 6,5 6,2 to 9,0 1P391137022 T1049037022 1F791337022 Blue Plain Purple ±8 ±0,55 131 to 160 161 to 190 191 to 235 236 to 300 9,0 to 11,0 11,1 to 13,1 13,2 to 16,2 16,3 to 20,7 1F7912T0012 T12699T0012 1F790937022 1E954637052 Yellow Green Brown Plain ±15 ±1,03 Table 2. Relief Set Pressures and Capacities RELIEF SET PRESSURE(2) SET PRESSURE PLUS BUILD-UP FLOW CAPACITY, SCFH (Nm3/h)(1) Psig bar Psig bar 25 50 75 100 125 1,7 3,4 5,2 6,9 8,6 50 75 100 120 150 3,4 5,2 6,9 8,3 10,3 34 200 (916) 47 400 (1270) 60 000 (1608) 69 600 (1865) 83 400 (2235) 150 175 200 225 250 10,3 12,1 13,8 15,5 17,2 180 210 240 270 300 12,4 14,5 16,5 18,6 20,7 100 500 (2693) 117 600 (3152) 132 000 (3538) 150 000 (4020) 165 000 (4422) 275 300 19,0 20,7 330 360 22,7 24,8 180 000 (4824) 195 000 (5226) 1. This is the initial leak point, the point at which the relief valve begins to discharge. 2. 0.6 Specific Gravity Gas. To convert to equivalent capacities of other gases, multiply the table values by 0.775 for air or 0.789 for nitrogen. Multiply the flow obtained by 0.0268 to convert to (Nm3/h) at 0°C and 1,01 bar. Ordering Information When ordering an H200 Series relief valve, specify the type number and the relief pressure setting required. 2 Bulletin 71.4:H200 Type P145 rain cap h200 series relief valve low-pressure reducing regulator highpressure reducing regulator inlet pressure AF9930-C A1619-1 Figure 3. Typical Farm Tap Installation 1.75 (44,5) 0.12 (3,1) groove pin 3.06 (77,7) AE8234 Approximate top of boss INCHes (mm) Figure 4. Dimensions 3 Bulletin 71.4:H200 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 Tel: 1-763-241-3238 Asia-Pacific Shanghai, China 201206 Tel: +86 21 2892 9000 Asia-Pacific Singapore, Singapore 128461 Tel: +65 6777 8211 Europe Bologna, Italy 40013 Tel: +39 051 4190611 Europe Bologna, Italy 40013 Tel: +39 051 4190611 Gallardon, France 28320 Tel: +33 (0)2 37 33 47 00 Middle East and Africa Dubai, United Arab Emirates Tel: +971 4811 8100 Europe Selmsdorf, Germany 23923 Tel: +49 (0) 38823 31 0 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, Inc., 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 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 product remains solely with the purchaser. ©Emerson Process Management Regulator Technologies, Inc., 1979, 2009; All Rights Reserved
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