Advertisement
Quick Links
Advertisement
Related Manuals for Emerson MR98LD
Summary of Contents for Emerson MR98LD
- Page 1 MR98 Series Instruction Manual January 2015 MR98 Series Backpressure Regulators, Relief and Differential Relief valves P1757 TyPe MR98L P1753 TyPe MR98H Figure 1. Typical MR98 Series Backpressure Regulators, Relief and Differential Relief Valves www.fisherregulators.com...
- Page 2 Seats: Class VI or better Temperature Capabilities for elastomer Parts (1)(3) Maximum Spring Case Loading Pressure for See Table 5 Types MR98LD, MR98HD and MR98HHD Temperature Capabilities for Metal Parts (1)(3) (Spring Setting Plus Loading Pressure) (1)(2) See Table 5...
-
Page 3: Product Description
Type MR98H in accordance with federal, state and local codes, rules and regulations and emerson Process Management Regulator Technologies, Inc. Type MR98HH (emerson™) instructions. If a leak develops or if the outlet continually vents gas, service to the unit may be required. - Page 4 MR98 Series ADjuSTINg SCReW CONTROL SPRINg veNT DIAPHRAgM vALve PLug ORIFICe CONTROL LINe TAP TyPe MR98H WITH INTeRNAL BACK vIeW OF SIDe AND INTeRNAL vIeW OF PReSSuRe RegISTRATION 1/2 IN. / DN 15 TyPe MR98H 3/4 TO 2 IN. / DN 20 TO 50 WITH eXTeRNAL TyPe MR98H WITH eXTeRNAL PReSSuRe RegISTRATION...
-
Page 5: Principle Of Operation
TyPe MR98HD WITH eXTeRNAL PReSSuRe RegISTRATION SPRINg MeTAL DIAPHRAgMS gASKeT FOR TyPeS MR98HD, MR98HHD AND MR98LD WITH TWO MeTAL DIAPHRAgMS, ASSeMBLe DIAPHRAgM gASKeTS uNDeR AND ABOve THe MeTAL DIAPHRAgMS AS SHOWN ABOve Figure 2. MR98 Series Operational Schematics (continued) Principle of Operation... - Page 6 MR98 Series Table 1. Types MR98L and MR98LD Regulators Body Constructions BODy MATeRIAL BODy SIze BODy CONSTRuCTION eND CONNeCTION STyLe Monel ® Hastelloy ®...
- Page 7 MR98 Series Table 2. Types MR98H, MR98HD, MR98HH and MR98HHD Regulators Body Constructions BODy MATeRIAL BODy SIze BODy CONSTRuCTION eND CONNeCTION STyLe - continued - Monel ® Hastelloy ®...
- Page 8 MR98 Series Table 2. Types MR98H, MR98HD, MR98HH and MR98HHD Regulators Body Constructions (continued) BODy MATeRIAL BODy SIze BODy CONSTRuCTION eND CONNeCTION STyLe Monel ® Hastelloy ®...
- Page 9 MR98 Series Table 3. MR98 Series Body Sizes, Pressure Ranges and Spring Information CONTROL SPRINg WIRe SPRINg FRee BODy SIze SPRINg PART PReSSuRe RANge DIAMeTeR LeNgTH TyPe SPRINg MATeRIAL SPRINg COLOR NuMBeR psig 2 to 7 1E392527022 - - - - 12 to 25 20 to 38 2 to 7...
- Page 10 LOADINg PReSSuRe HIgH PReSSuRe ReLIeF OuTLeT AND OPTIONAL PIPINg TO SySTeM uNCONTROLLeD LOW PReSSuRe CONTROLLeD HIgH PReSSuRe PuMP TyPe MR98HD LOW PReSSuRe (FOR LOADINg) CONTROLLeD HIgH PReSSuRe TyPe MR98LD Figure 3. nstallation Schematics for Types MR98LD and MR98HD Relief Valves...
-
Page 11: Installation
MR98 Series Installation WARNINg Personal injury or system damage may result if this backpressure regulator, relief or differential relief valve is installed where service conditions Overpressure Protection could exceed the limits given on WARNINg regulator nameplate. Additionally, physical damage to the Overpressuring any portion of this backpressure regulator or relief valve equipment may result in equipment... - Page 12 MR98 Series Table 4. Maximum Cold Working Pressures of Body Size and Materials (1)(2) MAXIMuM MAXIMuM MAXIMuM BODy AND ReguLATOR INLeT PReSSuRe OuTLeT PReSSuRe SPRINg CASe PReSSuRe BODy SIze SPRINg CASe TyPe MATeRIALS psig psig psig Steel Stainless steel Monel ®...
-
Page 13: Relief Valve
MR98 Series Types MR98L, MR98H and MR98HH Startup Types MR98LD, MR98HD and MR98HHD Note show the maximum inlet and the constructions. use pressure gauges to monitor inlet pressure, outlet pressure and any loading pressure Shutdown during startup. Relief valve Differential valve... -
Page 14: Maintenance
Relief valves or 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 ® relief valves Backpressure Regulator and regulators. - Page 15 Note If a metal diaphragm is to be replaced by an elastomer diaphragm or an elastomer For Types MR98LD, MR98HD and MR98HHD: diaphragm by a metal diaphragm, a new pusher post is required. each diaphragm material requires a different pusher post...
-
Page 16: Parts Ordering
Plug O-ring Parts Ordering Note Disassembly to Replace Packing In this parts list, parts marked NACe are (For Types MR98LD, MR98HD intended for corrosion-resistant service and MR98HHD) as detailed in the NACe International Optional materials are available to please contact your local Sales Office... -
Page 17: Parts List
MR98 Series Parts List Description Part Number Description Part Number Hastelloy ® Hastelloy ® Hastelloy ® Hastelloy ® Monel ® Hastelloy ® Monel ® Hastelloy ® Monel ® Hastelloy ® Monel ® Hastelloy ® Monel ® Hastelloy ® Monel ® Hastelloy ®... - Page 18 MR98 Series Description Part Number Description Part Number Pusher Post Hastelloy ® Monel Hastelloy ® ® Monel ® Hastelloy ® Monel ® Hastelloy ® Monel ® Steel Stainless steel 1P7877X0012 Hastelloy ® Monel ® Hastelloy ® Monel ® Steel Hastelloy ®...
- Page 19 MR98 Series Description Part Number Description Part Number ® ® Monel ® Hastelloy ®...
- Page 20 MR98 Series Description Part Number Description Part Number Hastelloy ® Monel ® ® ® Hastelloy ® ® ® Hastelloy ® ® ® Hastelloy ® ® ® Hastelloy ® Hastelloy ® Seat Retainer Hastelloy ® Monel ® Hastelloy ®...
- Page 21 MR98 Series Description Part Number Description Part Number Type MR98HHD Type MR98HHD Type MR98HHD Type MR98HHD Type MR98HHD Type MR98HHD Type MR98HHD Type MR98HHD Type MR98HHD Type MR98HHD Type MR98HHD Type MR98HHD...
- Page 22 MR98 Series Description Part Number Description Part Number Vent Type MR98HHD Type MR98HH Type MR98H Type MR98HHD Hastelloy ® Monel ® Hastelloy ® Monel ® Monel ® Hastelloy ®...
- Page 23 MR98 Series Description Part Number Description Part Number Hastelloy ® Monel ® Monel ® Hastelloy ®...
- Page 24 MR98 Series Key 1, Types MR98L and MR98LD Body Part Numbers BODy MATeRIAL eND CONNeCTION CF8M CF3M BODy SIze STyLe gray Cast Iron WCC Steel LCC Steel Stainless Stainless Monel ®(1) Hastelloy ® Steel Steel - - - - - - - - - - -...
- Page 25 MR98 Series Key 1, Types MR98H, MR98HD, MR98HH and MR98HHD Body Part Numbers (continued) BODy MATeRIAL CF8M CF3M BODy SIze CONNeCTION gray Cast Aluminum- WCC Steel LCC Steel Stainless Stainless Monel ®(1) Hastelloy ® STyLe Iron Steel Steel - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
- Page 26 MR98 Series Key 1, Types MR98H and MR98HD Body Part Numbers (continued) BODy MATeRIAL CF8M CF3M BODy SIze CONNeCTION gray Cast Aluminum- WCC Steel LCC Steel Stainless Stainless Monel Hastelloy ®(1) ® STyLe Iron Steel Steel - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
- Page 27 MR98 Series Key 2, Spring Case Part Numbers BODy SIze SPRINg CASe MATeRIAL TyPe STyLe CF8M gray Cast Iron WCC Steel LCC Steel Monel Hastelloy ® ® Stainless Steel (Standard) ERCA02874A0 ERCA02874A3 - - - - - - - - - - - - - - - - - - - - - - - - - - ERAA01872A2...
- Page 28 MR98 Series Key 4*, Valve Plug, Composition Seat BODy SIze vALve PLug MATeRIAL BODy STyLe (1)(2) Hastelloy ® - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Key 12* Composition Diaphragm, NACE...
- Page 29 MR98 Series SEALED ADJUSTING SCREW OPTION TEE-HANDLE OPTION COMPOSITE SEAT OPTION CONTROL LINE OPTION METAL DIAPHRAGM OPTION APPLy T = THReAD LOCKeR L1 = geNeRAL PuRPOSe PTFe OR LITHIuM gReASe FOR O-RINgS L2 = ANTI - SeIze COMPOuND L4 = gRAPHITe SeALANT FOR gRAPHITe RINg Figure 4.
- Page 30 METAL DIAPHRAGM OPTION APPLy T = THReAD LOCKeR L1 = geNeRAL PuRPOSe PTFe OR LITHIuM gReASe FOR O-RINgS L2 = ANTI - SeIze COMPOuND L3 = SILICONe gReASe L4 = gRAPHITe SeALANT FOR gRAPHITe RINg Figure 5. Type MR98LD Assembly...
- Page 31 MR98 Series SEALED ADJUSTING TEE-HANDLE OPTION SCREW OPTION CONTROL LINE OPTION COMPOSITE SEAT OPTION METAL DIAPHRAGM OPTION APPLy T = THReAD LOCKeR L1 = geNeRAL PuRPOSe PTFe OR LITHIuM gReASe FOR O-RINgS L2 = ANTI - SeIze COMPOuND L4 = gRAPHITe SeALANT FOR gRAPHITe RINg Figure 6.
- Page 32 MR98 Series TEE - HANDLE OPTION SEALED ADJUSTING SCREW OPTION CONTROL LINE OPTION COMPOSITE SEAT OPTION METAL DIAPHRAGM OPTION APPLy T = THReAD LOCKeR L1 = geNeRAL PuRPOSe PTFe OR LITHIuM gReASe FOR O-RINgS L2 = ANTI - SeIze COMPOuND L4 = gRAPHITe SeALANT FOR gRAPHITe RINg Figure 7.
- Page 33 MR98 Series COMPOSITE SEAT OPTION CONTROL LINE OPTION SEE DETAIL B SEE DETAIL A DETAIL B DETAIL A METAL DIAPHRAGM OPTION APPLy T = THReAD LOCKeR L1 = geNeRAL PuRPOSe PTFe OR LITHIuM gReASe FOR O-RINgS L2 = ANTI - SeIze COMPOuND L3 = SILICONe gReASe L4 = gRAPHITe SeALANT FOR gRAPHITe RINg Figure 8.
- Page 34 MR98 Series 16 L2 METAL DIAPHRAGM OPTION COMPOSITE SEAT OPTION CONTROL LINE OPTION APPLy T = THReAD LOCKeR L1 = geNeRAL PuRPOSe PTFe OR LITHIuM gReASe FOR O-RINgS L3 = SILICONe gReASe L2 = ANTI - SeIze COMPOuND L4 = gRAPHITe SeALANT FOR gRAPHITe RINg Figure 9.
- Page 35 MR98 Series SEE NOTE 4 COMPOSITE SEAT OPTION CONTROL LINE OPTION METAL DIAPHRAGM OPTION APPLy T = THReAD LOCKeR L1 = geNeRAL PuRPOSe PTFe OR LITHIuM gReASe FOR O-RINgS L2 = ANTI - SeIze COMPOuND L4 = gRAPHITe SeALANT FOR gRAPHITe RINg Figure 10.
- Page 36 MR98 Series Industrial Regulators Natural gas Technologies TeSCOM emerson Process Management emerson Process Management emerson Process Management Regulator Technologies, Inc. Regulator Technologies, Inc. Tescom Corporation Europe Europe Europe ® 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...