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THINK.MERCER9100 Model 20.indd 1MERCER VALVE9100 SERIESModel 20FIRST 6/30/08 1:39:34 PM

MERCER VALVE COMPANY, INC.Auto Seat Technology 9100 SERIES MODEL 20 SAFETY RELIEF VALVES9100 Series Model 20Product OverviewThe 9100 Series Model 20 is a high pressure safety relief valve designedfor CNG and other high pressure applications. The 9100 Series Model 20unique design coupled with our patented Auto Seat Technology allows for a longer life, less leakage and more consistent set pressuresin high pressure applications. The 9100 Series Model 20 is designed forapplications from 3000 psi up to 8700 psi. The patented soft seat designand fully guided disk allow the valve to continually outlast the competition. The soft seat 9100 Series has a field-proven lip seal design, whichallows for a tighter seal up to set pressure. This tight seal reduces leaksand limits product loss.9100 Series Model 20 Features Designed with Auto Seat Technology . Consistent Set Pressures allowing repeatable useswithout repair or resetting. Open, Close, Seat and Seal . Fully guided disk keeps the disk properly alligned,opening and closing, helping to reseat the valve. Mechanical Stop prevents wear on parts and controlsvalve lift. Low rated and fully guided spring allows for moreconsistent set pressures from pop to pop. Pop Action relief allows valve to go to full lift at setpressure. Helps with DOT regulated applications. Built in accordance with the requirements of ASMEBoiler and Pressure Vessel Code. Sec. VIII Div 1. Non-rising stems allowing valves to be installed insmall areas.29100 Model 20.indd 2www.mercervalve.net 1.800.833.64026/30/08 1:39:39 PM

MERCER VALVE COMPANY, INC.Auto Seat Technology 9100 SERIES MODEL 20 SAFETY RELIEF VALVES9100 Series Model 20 SpecificationsOrifice LetterCDThreaded Connections3/4” x 1”, 1” x 1”1” x 1 1/4”Flanged Connectors1” x 1 1/2”1” x 1 1/2”, 1” x 2”Actual Orifice Diameter (in).281.394Actual Orifice Area (in2).062.122API Orifice Area (in2)---.110ThreadedPressure Ranges (psi)3000 to 87003000 to 7500FlangedPressure Ranges (psi)3000 to 61703000 to 6170StandardTemperature Range (ºF)-20 to 400-20 to 400ASME Flow Coefficient,Kd (Gas).818.818ASME Flow Coefficient,Kd (Liquid).707.707NOTE: Mercer Valve reserves the right to change product designs and specifications without notice.www.mercervalve.net 1.800.833.64029100 Model 20.indd 336/30/08 1:39:41 PM

MERCER VALVE COMPANY, INC.Auto Seat Technology 9100 SERIES MODEL 20 SAFETY RELIEF VALVES9100 Series Model 20 Dimensions and WeightsINLET ANDOUTLETCODEINLET AND OUTLET SIZEPRESSURE LIMIT (psi)DIMENSIONS“A” X “B” X “C”(IN.) 1/16APPROX.WEIGHT(lbs.)C ORIFICEM2M73/4” MNPT x 1” FNPT1” MPT x 1” FNPT3000 - 87003-1/4 x 1-13/16 x 8-1/84.53000 - 87003-1/4 x 1-13/16 x 8-1/84.5261” 1500# x 1 1/2” 300#3000 - 37055 X 5-1/4 X 1019761” 2500# x 1 1/2” 300#3000 - 61705 X 5-1/4 X 1021D ORIFICEM71” MPT x 1 1/4” FNPT3000 - 75003-1/4 x 1-13/16 x 9-1/45261” 1500# x 1 1/2” 300#3000 - 37055 X 5-1/4 X 1119761” 2500# x 1 1/2” 300#3000 - 61705 X 5-1/4 X 1121321” 1500# x 2” 300#3000 - 37055 X 5-1/4 X 1124771” 2500# x 2” 300#3000 - 61705 X 5-1/4 X 1121NOTE: Mercer valve reserves the right to change product designs and specifications without notice.49100 Model 20.indd 4www.mercervalve.net 1.800.833.64026/30/08 1:39:42 PM

MERCER VALVE COMPANY, INC.Auto Seat Technology 9100 SERIES MODEL 20 SAFETY RELIEF VALVES9100 Series Model 20 Parts and Materials1213111410159876543219100 SERIES MODEL 20 C & D ORIFICESITEM NOPART NAMESTANDARD MATERIALS1INLET BASESTAINLESS STEEL2BASE SEALSOFT STEEL3BODY SUBASSEMBLYCARBON STEEL4NOZZLE O-RINGVITON5NOZZLE SUBASSEMBLYSTAINLESS STEEL WITH SOFT SEAT6DISK SUBASSEMBLYSTAINLESS STEEL7SET SPRINGSTAINLESS STEEL8ADJUSTMENT SCREWSTAINLESS STEEL9ADJUSTMENT BUSHINGCARBON STEEL10THRUST WASHERSTAINLESS STEEL11ADJUSTMENT SCREW O-RING BUNA N12CLOSED CAPALUMINUM ALLOY13LOCKNUTCARBON STEEL14WASHERCARBON STEEL15BONNET SUBASSEMBLYCARBON STEELNOTE: Mercer Valve reserves the right to change product designs and specifications without notice.www.mercervalve.net 1.800.833.64029100 Model 20.indd 556/30/08 1:39:45 PM

MERCER VALVE COMPANY, INC.Auto Seat Technology 9100 SERIES MODEL 20 SAFETY RELIEF VALVES9100 Series Model 20 Capacity ChartsAIRCAPACITY AT 60ºF AND STD ATMOSPHERIC CONDITIONSSet 07000720074007500760078008000820084008600870069100 Model 20.indd 114113145151491815119www.mercervalve.net 1.800.833.64026/30/08 1:39:47 PM

MERCER VALVE COMPANY, INC.Auto Seat Technology 9100 SERIES MODEL 20 SAFETY RELIEF VALVESNATURALGAS CAPACITY AT 60ºF AND STD ATMOSPHERIC CONDITIONSSet ervalve.net 1.800.833.64029100 Model 20.indd 609916602171041760618108186101886176/30/08 1:39:48 PM

MERCER VALVE COMPANY, INC.Auto Seat Technology 9100 SERIES MODEL 20 SAFETY RELIEF VALVESNATURALGAS CAPACITY AT 60ºF AND STD ATMOSPHERIC CONDITIONSSet 07000720074007500760078008000820084008600870089100 Model 20.indd 16.01www.mercervalve.net 1.800.833.64026/30/08 1:39:50 PM

MERCER VALVE COMPANY, INC.Auto Seat Technology 9100 SERIES MODEL 20 SAFETY RELIEF VALVESCAPACITYIN GPM WATER AT 60ºF AND STD ATMOSPHERIC CONDITIONSSet 19163www.mercervalve.net 1.800.833.64029100 Model 20.indd 996/30/08 1:39:52 PM

MERCER VALVE COMPANY, INC.Auto Seat Technology 9100 SERIES MODEL 20 SAFETY RELIEF VALVES9100 Series Model 20 Product Numbering System91-M2D61VALVE SERIES91 – 9100 SeriesINLET & OUTLETCOMBINATION(See Selection Table Page 4)ORIFICE SIZEC or DINLET BASE& BODY MATERIALFLANGED1 – RF x RF / CARBON STEEL2 – RF x RF / STAINLESS STEEL3 – RTJ x RF / CARBON STEEL4 – RTJ x RF / STAINLESS STEELA – RTJ x RTJ / CARBON STEELB – RTJ x RTJ / STAINLESS STEELTHREADED6 – 316 STNLS STL/WCBCARBON STEEL7 – 316 STNLS STL/CF3MSTAINLESS STEELCAP TYPE1 – CLOSED CAP2 – OPEN LIFT LEVER3 – CLOSED LIFT LEVERCONSULT FACTORY FORADDITIONAL INFORMATIONAND OPTIONSNOTE: Mercer Valve reserves the right to change product designs and specifications without notice.109100 Model 20.indd 10www.mercervalve.net 1.800.833.64026/30/08 1:39:54 PM

MERCER VALVE COMPANY, INC.Auto Seat Technology 9100 SERIES MODEL 20 SAFETY RELIEF VALVESP14412 – DIGIT “SPECIAL” CODE(IF APPLICABLE ASSIGNED BY MERCER)O-RING MATERIAL1 – STANDARD O-RINGS(VITON & BUNA-N)TRIM CODES4 – 440C DISK & NOZZLE(STD GAS SERVICE)L – LIQUID SERVICE 316 S.S.DISK & NOZZLEN – SOUR GAS SERVICE 316 S.S.DISK & NOZZLEB – SOUR LIQUID SERVICE 316 S.S.DISK & NOZZLEU – GAS SERVICE 316 S.S.DISK & NOZZLEX – ALL 316 S.S. INTERNALSSPRING CODE(ASSIGNED BY MERCER)SEAT MATERIALP – VIRGIN PEEKY – VESPELwww.mercervalve.net 1.800.833.64029100 Model 20.indd 11116/30/08 1:39:56 PM

9100 SERIES MODEL 20 CATALOGCORPORATE HEADQUARTERS9609 NW 4th STREETOKLAHOMA CITY, OK 731271-800-833-6402PHONE: (405) 495-6533, FAX: (405) 495-8728SALES@MERCERVALVE.NETHOUSTON BRANCH OFFICE6218 LONG DRIVEHOUSTON, TX 770871-866-833-6402PHONE: (713) 242-6960, FAX: (713) 242-6963HOUSTON@MERCERVALVE.NETCALGARY BRANCH OFFICE#203, 2835 23rd St. NECALGARY, ALBERTA T2E 7A4PHONE: (403) 250-5557, FAX: (403) 250-5661CANADA@MERCERVALVE.NETBRIDGEPORT, TX BRANCH OFFICE5758 US Highway 380BRIDGEPORT, TX 76426-64211-866-683-9002PHONE: (940) 683-9002, FAX: (940) 683-9004BRIDGEPORT@MERCERVALVE.NETCHICAGO BRANCH OFFICECUSTOMER RELATIONS DEPARTMENTP.O. Box 597Libertyville, IL ERVALVE.NETMVC91MOD209100 Model 20.indd 12REVISION DATE: 4/08SUPERCEDES 1/076/30/08 1:39:58 PM

MERCER VALVE COMPANY, INC. Auto Seat Technology 9100 SERIES MODEL 20 SAFETY RELIEF VALVES 2 www.mercervalve.net 1.800.833.6402 9100 Series Model 20 Features Designed with Auto Seat Technology . Consistent Set Pressures allowing repeatable uses without repair or resetting. Open, Close, Seat and Seal .