Emerson 63EG-98HM Data Sheet
Contents
1. I Bulletin 71 4 63EG 98HM Ordering Guide continued Pilot Diaphragm Select One 302 Stainless steel standard Fluorocarbon FKM Ethylenepropylene EPR Hastelloy C Monel PTFE Diaphragm Protector Yes Pilot Seat Select One Fluorocarbon FKM standard Ethylenepropylene EPR Perfluoroelastomer FFKM ilot Trim Select One O 416 Stainless steel O 316 Stainless steel O Hastelloy C O Monel O Alloy 20 Hastelloy C is a mark owned by Haynes International Inc Monel is a mark owned by Special Metals Corporation I NACE Construction Required Optional Yes Main Valve Replacement Parts Kit Optional Yes send one replacement parts kit to match this order Pilot Replacement Parts Kit Optional Yes send one replacement parts kit to match this order Specification Worksheet Application Specific Use Line Size Fluid Type Specific Gravity Temperature Is this a Relief or Backpressure Application Pressure Maximum Inlet Pressure Downstream Pressure Readily Available for Shipment Regulators Quick Order Guide Differential Pressure Relief Inlet Set Pressure ii Allow Additio2. CONTROL PRESSURE RANGE 1 psig bar 15 to 35 1 0 to 2 4 PART NUMBER ERCA04288A0 COLOR SPRING FREE LENGTH SPRING WIRE DIAMETER 25 to 75 1 7 to 5 2 ERAA01910A0 Green 70 to 140 4 8 to 9 7 ERAA01911A0 Red 2 44 62 0 0 283 7 19 130 to 200 9 0 to 13 8 ERAA02889A0 Blue 2 250 57 2 0 331 8 41 150 to 375 2 10 3 to 25 9 2 1N943427142 Unpainted 5 063 129 0 394 10 0 1 All springs may be backed off to 0 psig 0 bar However highest capacities and best performances are obtained by using these springs in their recommended ranges 2 150 to 375 psig 10 3 to 25 9 bar spring range is for the Type MR98HH pilot construction However the next consideration is making sure there is enough differential pressure between P4 and P to fully open the main valve This minimum differential is determined by the valve plug area and the main valve spring The smaller the valve plug area i e body size and the heavier the spring rate i e red spring the larger the differential requirements In Table 5 the yellow main valve spring for NPS 2 DN 50 body requires a differential pressure of 22 psi 1 5 bar to fully open the main valve Since it was calculated that 17 psi 1 2 bar differential pressure is available to open the main valve the minimum differential pressure can be subtracted from the calculated available differential pressure In this case that woul
3. 1 8 NPT CONTROL LINE W2772 1 REPLACING TRIM PARTS ON SITE USING BODY AS HOLDING FIXTURE RESTRICTION 1 A D VALVE TRIM v REMOVAL CLEARANCE na A6902 IN mm 1 A needle valve can be used in place of the fixed restriction in high viscosity liquids or if instability of process conditions is present Figure 4 Dimensions Table 7 Dimensions DIMENSION IN mm BODY A APPROXIMATE SIZE WEIGHT NPS DN PN D E G v LBS kg NPT CL150 RF CL300 RF CL600 RF 16 25 40 2 50 11 25 286 10 00 254 10 50 267 11 25 286 10 31 262 10 87 276 5 62 143 3 06 78 12 62 321 65 30 3 80 11 75 298 12 50 318 13 25 337 12 20 310 12 25 311 7 00 178 3 81 97 16 25 413 105 48 4 100 13 88 353 14 50 368 15 50 394 13 78 350 13 63 346 8 38 213 5 06 128 18 88 480 155 71 6 150 17 75 451 18 60 472 20 00 508 18 00 457 14 44 367 9 19 233 5 56 141 20 00 508 340 155 ee cece 21 38 543 22 38 569 cece cece 16 00 406 10 75 273 7 19 183 21 56 548 630 286 O rdering Information When ordering complete the Ordering Guide page Make sure to include the following For a standard installation or to obtain a noise prediction for your installation and service conditions please complete the Specification Worksheet at the bottom of the Ordering Guide page
4. O rdering Guide Body Size Select One NPS 2 DN 50 NPS 3 DN 80 NPS 4 DN 100 NPS 6 DN 150 NPS 8 x 6 DN 200 x 150 Body Material Select One WCC Steel CF8M Stainless steel Hastelloy C Monel Alloy 20 d Connection Style Select One NPT for NPS 2 only CL150 RF CL300 RF CL600 RF PN 16 25 40 specify rating NPS 8 x 6 DN 200 x 150 not available Body Flange Material Select One O ENC Coated WCC Steel O ENC Coated CF8M Stainless steel O ENC Coated Hastelloy C O ENC Coated Monel O ENC Coated Alloy 20 O Other specify Main Valve Cage Type Select One Linear Whisper Trim III Cage Main Valve Cage Material Select One 316 Stainless steel standard 416 Stainless steel Hastelloy C Monel Alloy 20 Main Valve Seat Ring and Valve Plug Material Select One 416 Stainless steel standard 316 Stainless steel Hastelloy C Monel Alloy 20 Hastelloy C is a mark owned by Haynes International Inc Inconel and Monel are marks owned by Special Metals Corporation Bulletin 71 4 63EG 98HM Refer to the Specifications section on page 2 Carefully review each specification then complete the Ordering G
5. 0 0 84 6 or 8 x 6 150 or 200 x 150 0 84 Table 6 Minimum and Maximum Differential Pressures and Build up Required for Wide Open Flow Bopy size MAIN VALVE SPRING RANGE PRESSURE REQUIRED PRESSURE REQUIRED eae S A T NPS DN SPRING PART NUMBER FOR FULL STROKE 1 FOR FULL STROKE AND SOCOR psi bar psi bar psi bar onnaa a 1 7 w o 2 2 50 30 e ENA ce bal 30 2 1 9 0 6 125 8 6 99 19 REI eee par 90 6 2 23 1 6 400 28 mememe o 1 o o 2 3 80 a oe ee par 25 17 7 0 48 125 8 6 eae Beet as baf 60 4 1 17 1 2 400 28 Teneo o a om 2 41100 30 bs oe Nias bar 20 14 6 0 4 125 8 6 pes ser nar ber 55 3 8 16 1 1 400 28 Weamgasez e n om 2 sone Pemeeern e cade e es ee e 8910 A EnS pan 55 3 8 16 1 1 400 28 1 Minimum differential is defined as the difference between the inlet pressure to the main valve body and the exhaust pressure from the pilot outlet If the pilot exhaust is piped to the immediate downstream system the differential is between the inlet and outlet pressure of the backpressure regulator The pilot exhaust also may be discharged to atmosphere Bulletin 71 4 63EG 98HM BODY FLANGE CAGE SCREWS INTO SEAT RING SCREWS INTO CAGE K BODY FLANGE W3012 1 Figure 3 Easy Maintenance Trim REPLACING ENTIRE TRIM PACKAGE TYPE MR98H 1 2 NPT PILOT EXHAUST CONNECTION FIXED
6. 9 38823 31 287 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9499 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 2000 2014 All Rights Reserved gt EMERSON
7. Bulletin 71 4 63EG 98HM December 2014 Type 63EG 98HM Pilot Operated Relief Valve or Backpressure Regulator Introduction The Type 63EG 98HM can be used for gas liquid or steam applications For applications up to 550 F 288 C the Type 63EG 98HM utilizes high temperature Ethylenepropylene EPR or Perfluoroelastomer FFKM for Class VI shutoff If used in a corrosive service Perfluoroelastomer FFKM and other elastomers are available options that offer superior resistance to heat and most corrosive chemicals When using the Type 63EG 98HM with a corrosive liquid usually water or a water containing solution the valve materials must be selected with care For aqueous solutions use a Stainless steel linear cage or Whisper Trim III Cage and body flange to ensure valve plug travel on a corrosion free surface The Type 63EG 98HM is not an ASME certified device Features e Variety of Construction Materials WCC steel and CF8M Stainless steel are standard constructions Alloy 20 Hastelloy C and Monel are available options upon request e Low Build up Capability Minimal build up pressure is required for main valve to achieve wide open flow e Chemically Compatible Elastomers Perfluoroelastomer FFKM is available for corrosive chemical applications e No Assembly Adjustments Required Precise machining ensures that the main valve plug shuts off at both the port and upper seals at the same time e Fast
8. Monel or Alloy 20 optional Diaphragm 302 Stainless steel standard Ethylenepropylene EPR Hastelloy C Monel or Fluorocarbon 3 FKM optional Diaphragm Protector PTFE optional Diaphragm Gaskets Composition standard or graphite optional Seat Fluorocarbon FKM standard Ethylenepropylene EPR or Perfluoroelastomer FFKM optional Adjusting Screw Sealing Washer for Pressure Loaded Pilot Fluorocarbon FKM Mounting Parts Restrictor Steel standard 316 Stainless steel or Monel optional Tubing Stainless steel standard or Monel optional Fittings Steel standard 316 Stainless steel or Monel optional 1 Other ratings and end connections can usually be supplied consult the local Sales Office 2 The pressure temperature limits in this bulletin and any applicable standard limitation should not be exceeded 3 Fluorocarbon FKM diaphragm is limited to 300 psig 20 7 bar 4 Set pressure is defined as the pressure at which the pilot start to discharge Hastelloy C is a mark owned by Haynes International Inc Inconel and Monel are marks owned by Special Metals Corporation PILOT CONTROL SPRING CONTROL LINE MUST BE AT LEAST 3 8 IN 9 52 mm TUBING FIXED RESTRICTION A6926_2 EE INLET PRESSURE E OUTLET PRESSURE L ATMOSPHERIC PRESSURE ss LOADING PRESSURE Note On an actual Type 63EG 98HM the pilot spring case points downstream Figu
9. Speed of Response High gain piloting system for faster response than standard piloting system Excellent Overpressure Protection Superior pump bypass regulator for overpressure protection in pump recirculation applications e NACE Availability Optional materials available for applications handling sour gases These constructions comply with recommendations of the NACE International standards MRO175 and or MRO103 Hastelloy C is a mark owned by Haynes International Inc Monel is a mark owned by Special Metals Corporation www fisherregulators com W6866 Figure 1 Type 63EG 98HM Pilot Operated Relief Valve or Backpressure Regulator e Tight Shutoff Elastomer seats for Class VI shutoff on high temperature applications to 550 F 288 C e Easily Converted to Differential Control The pilot is ready for differential backpressure control with the addition of a sealing washer on the adjusting screw e Labor Saving Trim Main valve body can stay in line during maintenance Tested trim packages can be made up and stocked ahead of time for fast replacement e Versatility in Both Liquid and Gas Service The pilot exhaust port and standard tapped pilot spring case each come with removable vent for remote piping when necessary The standard tapped pilot spring case comes with an optional gasketed closing cap that permits pressure loading for remote pneumatic adjustment of the set pressure For remote upstream registrat
10. d be 22 17 5 psig 1 5 1 2 0 34 bar Therefore the inlet pressure would build up an additional 5 psig 0 34 bar in order to fully open the main valve This will bring the inlet pressure to a total of 37 psig 2 6 bar 32 5 37 psig 2 2 0 35 2 6 bar If the pilot were exhausting to atmosphere the available differential pressure would be calculated at 25 psig 1 7 bar setpoint 7 psi 0 48 bar build up required less the pilot exhaust pressure 0 psig 0 bar After calculating the available differential pressure of 32 0 32 psig 2 2 0 2 2 bar P1 P2 With the minimum differential required to open the main valve at 22 psi 1 5 bar there is enough differential pressure to open the main valve without further build up The Cy can be recalculated using the formula below based on the higher differential pressure between the inlet and outlet of the main valve With a 32 psig 2 2 bar inlet and a 10 psig 0 69 bar outlet pressure the required Cy of 38 3 is less than that based upon our original 10 psi 0 69 bar differential pressure This might be helpful in determining regulator size with near capacity limits Cy Q AP Water and Steam Backpressure Relief In water and steam applications a Stainless steel body flange bonnet and cage ensure that the valve plug will travel on acorrosion free surface The cage supplied in standard Stainless steel constructions is a Whisper Trim Cage style Plea
11. ed downstream of the valve With the pipeline size equaling the valve body size and using a linear cage the Cy is equal to 63 3 as shown in Table 4 Since the differential pressure is less than 40 psig 2 8 bar Table 5 verifies that the yellow main valve spring can be used To maintain the best accuracy always use the lightest spring rate available The pressure build up to a wide open state is 7 psi 0 48 bar over setpoint The setpoint on a relief valve or backpressure regulator is defined as when the pilot begins to bubble or open Since the setpoint is 25 psig 1 7 bar and the build up required to fully open the regulator is 7 psi 0 48 bar the total upstream pressure would be at 32 psig 2 2 bar The differential pressure between P4 P2 32 15 psig 2 2 1 0 bar is 17 psi 1 2 bar Bulletin 71 4 63EG 98HM Table 1 Body Sizes and End Connection Styles Table 2 Port Diameters and Valve Plug Travels Table 3 Relief Set Pressure or Backpressure Control Ranges MAIN VALVE BODY SIZE BODY SIZE PORT DIAMETER VALVE PLUG TRAVEL END CONNECTION STYLE NPS DN NPS DN In mm In mm 2 50 NPT ASME CL150 RF CL300 RF 2 50 2 3 8 60 1 1 8 29 CL600 RF or PN 16 25 40 flanged 3 80 3 3 8 86 1 1 2 38 ASME CL150 RF CL300 RF 3 4 6 80 100 150 4 100 4 3 8 111 2 51 aserrea j o aane e e 8x6 200 x 150 and CL600 RF flanged 8x6 200 x 150 7 3 16 183 2 51
12. ion the pilot supply tubing may be disconnected at the 1 4 NPT main valve body tapping and this tapping plugged F EMERSON D102628X012 Bulletin 71 4 63EG 98HM Specifications This section lists the specifications for Type 63EG 98HM relief valves or backpressure regulators Factory specification is stamped on the nameplate fastened on the regulator at the factory Main Valve Body Sizes and End Connection Styles 2 See Table 1 Maximum Design Pressure 3 600 psig 41 4 bar or body rating limit whichever is lower Maximum Operating Relief Inlet Pressure Including Build up 2 3 450 psig 31 0 bar or body rating limit whichever is lower Maximum Outlet Pressure 2 3 450 psig 31 0 bar Maximum Differential Pressure 2 400 psig 27 6 bar Port Diameter and Valve Plug Travels See Table 2 Relief Set Pressure Backpressure Control Ranges 4 See Table 3 Flow Coefficients See Table 4 Main Valve IEC Sizing Coefficients See Table 5 Differential and Build up Pressure Requirements 2 See Table 6 Main Valve Flow Characteristics Linear standard or Whisper Trim III Cage optional Main Valve Flow Direction In through seat ring and out through cage Temperature Capabilities Fluorocarbon FKM 0 to 300 F 18 to 149 C Not acceptable in water or steam in excess of 200 F 93 C Ethylenepropylene EPDM Steel 20 to 350 F 29 to 177 C Stainless steel 40 to 350 F 40 to 177 C Perfluo
13. nal Time for Shipment Maximum Flow x Special Order Constructed from Non Stocked Parts Consult your local Sales Office for Availability Accuracy Requirements Less Than or Equal To longest shipping time for the requested construction Availability of the product being ordered is determined by the component with the 10 5 Industrial Regulators Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9000 Europe Bologna 40013 Italy Tel 39 051 419 0611 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 For further information visit www fisherregulators com Natural Gas Technologies Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Singapore 128461 Singapore Tel 65 6770 8337 Europe Bologna 40013 Italy Tel 39 051 419 0611 Chartres 28008 France Tel 33 2 37 33 47 00 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 120 LI 40 TESCOM Emerson Process Management Tescom Corporation USA Headquarters Elk River Minnesota 55330 2445 USA Tels 1 763 241 3238 1 800 447 1250 Europe Selmsdorf 23923 Germany Tel 4
14. re 2 Operational Schematic Principle of Operation As long as inlet pressure remains below set pressure the pilot control spring keeps the pilot valve plug closed This pressure provides the loading pressure that helps the main valve spring keep the main valve plug tightly shut off An inlet pressure rise above the set pressure overcomes the pilot control spring and opens the pilot valve plug Loading pressure bleeds out the pilot exhaust faster than it can be replaced through the restriction This permits inlet pressure to unbalance the main valve plug and open the main valve As inlet pressure drops back to set pressure the pilot control spring closes the pilot valve plug Loading pressure again builds up to close the main valve plug Example Sizing Problem To have a pump recirculation of oil and hold backpressure The pump capacity is 180 GPM 681 l min the oil has a specific gravity G of 1 00 and the temperature is ambient MAIN VALVE PLUG Bulletin 71 4 63EG 98HM PILOT EXHAUST PIPE DOWNSTREAM IF MINIMUM DIFFERENTIAL IS MET K TYPE MR98H PILOT VALVE PLUG KT TYPE 63EG MAIN VALVE SPRING P4 Inlet Pressure 25 psig 1 7 bar P2 Outlet Pressure 15 psig 1 0 bar Q Flow 180 GPM 681 I min Calculated Cy 57 The differential pressure P4 P2 is 10 psig 0 69 bar From Table 4 it is determined that NPS 2 DN 50 main valve has the needed capacity The pilot exhaust is pip
15. roelastomer FFKM Standard 0 to 450 F 18 to 232 C Optional 0 to 550 F 18 to 288 C Approximate Weights Including pilot See Figure 4 Pilot Control Line Connection 1 8 NPT Pilot Spring Case Connection 1 4 NPT Pilot Wide Open Flow Coefficients Cg 98 Cy 2 75 C4 35 5 64 in 2 00 mm Fixed Bleed Restriction Coefficients Cg 4 8 Cy 0 14 Construction Materials Type 63EG Main Valve Body and Body Flange WCC steel standard CF8M Stainless steel Hastelloy C Monel or Alloy 20 optional Cage 316 Stainless steel standard 416 SST Hastelloy C Monel or Alloy 20 optional Seat Ring and Valve Plug 416 Stainless steel standard 316 Stainless steel Hastelloy C Monel or Alloy 20 optional Spring Zinc plated steel standard or Inconel X750 optional Piston Ring Polytetrafluoroethylene PTFE Pipe Plug Steel standard 316 Stainless steel Hastelloy C Monel or Alloy 20 optional O rings and Seals Fluorocarbon FKM standard Ethylenepropylene EPR or Perfluoroelastomer FFKM optional Gaskets Composition standard or Graphite optional Type MR98H Body WCC steel standard CF8M Stainless steel Hastelloy C Monel or Alloy 20 optional Spring Case WCC steel standard or CF8M Stainless steel optional Spring Steel standard Stainless steel Inconel X750 optional Trim 416 Stainless steel standard 316 Stainless steel Hastelloy C
16. se note flow coefficients for capacity information Application Guidelines For high cycling applications and or fast on and off loads such as solenoid valves and temperatures of 300 F 149 C or less Fluorocarbon FKM diaphragms are recommended APTFE protector comes standard with Fluorocarbon FKM diaphragms to prevent chemical attack If the application is above 300 F 149 C and high cycling and or fast on and off loads occur a needle valve can be installed on the sense line to buffer the load on the diaphragm For high viscosity fluids the manufacturer will supply a needle valve that can be used to replace the fixed restriction which allows the regulator gain to be adjusted The build up may vary from those shown in Table 5 The fixed restriction maintains the proportional gain of the regulator to the published values relating to build up Installation Not all codes or regulations will permit these units to be used as final overpressure protection devices On the Type 63EG relief valve normal pressure drop assists shutoff Therefore leakage may result during any reverse pressure drop condition These valves may be installed in any position desired as long as the flow through the main valve complies with the flow arrow on the body Pilot exhaust must be piped downstream of the relief valve plug or to a drain For safety during shutdown vent valves will be required immediately upstream and downstream of the main val
17. uide on page 7 If not otherwise specified the pilot is factory set in the middle of the set pressure range Always specify the type numbers of other desired equipment as well as the main valve and pilot Unless otherwise ordered the standard gain pilot restriction will be provided Main Valve Spring Color Select One 10 to 40 psig 0 69 to 2 8 bar Yellow 30 to 125 psig 2 1 to 8 6 bar Green 85 to 400 psig 5 9 to 27 6 bar Red Relief Set Pressure Backpressure Control Range Select One 15 to 35 psig 1 0 to 2 4 bar Yellow 25 to 75 psig 1 7 to 5 2 bar Green 70 to 140 psig 4 8 to 9 7 bar Red 130 to 200 psig 9 0 to 13 8 bar Blue 150 to 375 psig 10 3 to 25 9 bar Unpainted Main Valve Spring Material Select One Zinc plated steel Inconel X750 O ring and Seal Material Select One L Fluorocarbon FKM L Ethylenepropylene EPR Ll Perfluoroelastomer FFKM Gasket Material Select One Composition Graphite Tubing Material Select One Stainless steel standard Monel Fitting Material Select One Steel standard 316 Stainless steel Monel Restrictor Material Select One O Steel L 316 Stainless steel O Monel Pilot Body Material Select One WCC Steel standard CF8M Stainless steel Hastelloy C Monel Alloy 20 ilot Spring Case Select One WCC Steel standard CF8M Stainless steel
18. ve on backpressure or bypass installations Table 4 Flow Coefficients at Maximum Rated Travels Bulletin 71 4 63EG 98HM Universal NACE Compliance Optional materials are available for applications handling sour gases These constructions comply with the recommendations of NACE International sour service standards The manufacturing processes and materials used by Emerson Process Management Regulator Technologies Inc assure that all products specified for sour gas service comply with the chemical physical and metallurgical requirements of NACE MR0175 and or NACE MR0103 Customers have the responsibility to specify correct materials Environmental limitations may apply and shall be determined by the user PIPING STYLE BODY SIZE Line Size Equals Body Size 2 1 Line Size to Body Size NPS DN Linear Cage Whisper Trim Ill Cage K Linear Cage Whisper Trim lll Cage k Cg Cy C1 Cy Cy C1 m Cg Cy C1 Cy Cy C1 2 50 2280 63 3 36 0 1970 54 7 36 0 0 71 2050 59 6 34 4 1830 52 2 35 0 0 71 3 80 4630 132 35 1 3760 107 35 0 0 71 4410 128 34 4 3630 106 34 2 0 71 4 100 7320 202 36 2 6280 180 34 8 0 71 6940 198 35 0 6020 171 35 2 0 71 6 150 12 900 397 32 5 9450 295 32 0 0 71 12 100 381 31 7 9240 291 31 7 0 71 8x6 200x 150 17 800 556 32 0 10 500 300 35 0 0 71 17 100 534 32 0 10 270 293 35 0 0 71 Table 5 IEC Sizing Coefficients BODY SIZE NPS DN 2 50 0 84 3 80 4 10
Download Pdf Manuals
Related Search