Fisher Sliding Stem Valve Selection Guide - Emerson Electric

1 Sliding -Stem Valve Selection GuideTypical Fisher Sliding -Stem Control ValvesW8861W7957-2easy-e GXTBX STEAM CONDITIONING VALVEX0165n A broad range of Fisher valves, sizes, and materials isoffered from NPS 1/2 for general service to NPS 20and larger for demanding high-pressure steam,hydrocarbon, and noise FIELDVUE digital Valve controllers offer digitalcontrol and remote diagnostics. The traditionalproven line of Fisher transducers, positioners,controllers, transmitters, and switches is ENVIRO-SEAL and HIGH-SEAL packing systems areavailable on many designs to assist in compliancewith environmental emissions Whisper Trim and Cavitrol anti-noise andanti-cavitation trims are available for most Fisher products deliver excellent dynamicperformance to minimize process variability.

2 Providing opportunities to improve your plant'sfinancial Contact your Emerson sales office or Local BusinessPartner for Valve Selection GuideD102484X012 Product Bulletin40:001 November 2017 Sliding -Stem Valve Selection GuideD102484X012 Product Bulletin40:001 November 2017 2 General-Service and Heavy-Duty Valves (GX, EZ, and ES)Figure 1. General-Service and Heavy-Duty Valves (GX, EZ, and ES)EZW2966 BESW3421-3GX CONTROL Valve ANDACTUATOR SYSTEMW8486-3 Table 1. General Service and Heavy-Duty Valves (GX, EZ, and ES)GXEZESA pplicationsCompact, state-of-the-art control Valve andactuator system designed to control a wide rangeof process liquids, gases, and vapors.

3 Capable of airsupply pressures to barg (87 psig), allowingvalve shutoff at high pressure general service for controlling liquidsand gases, including viscous and otherhard-to-handle fluids. UOP applicationsHeavy-duty, general-service Valve for clean liquidsand gases. Positive shutoff at seatStyleSingle port, flow up globe style valveStem-guided or port-guidedBalanced or unbalancedScrewed-in seat ringSingle-seated, post-guided globe or angle valveUnbalancedSeat ring retained by spacerMetal or soft seatsCage-guided globe or angle valveUnbalancedCage-retained seatSizesDN 15, 20, 25, 40, 50, 80, and 100 NPS 1/2, 3/4, 1, 1-1/2, 2, 3, and 4DN 15, 20, 25, 40, 50, 80, and 100 NPS 1/2, 3/4, 1, 1-1/2, 2, 3, and 4ES: DN 15 through 200 (NPS 1/2 through 8)EWS.

4 DN 100 x 50 through 600 x 500 (NPS 4 x 2 through 24 x 20)RatingsPN 10 to 40, CL150 and 300PN 16, 25, 40, 63 and 100 and CL125, 150, 300, and 600PN 10, 16, 25, 40, 63, or 100 and CL150, 300, or 600 End ConnectionsFlanged raised-face per EN 1092-1 and ASME NPT internal, flat- or raised-face flanged,ring-type joint, socket-weld, and buttwelding endsScrewed NPT internal, flat- or raised-face flanged,ring-type joint, socket-weld and buttwelding endsValve Body MaterialsEN: steel , stainless steel , or CW2 MASME: SA216 WCC steel , SA351 CF3M stainlesssteel, or CW2 MSteel, alloy steel , stainless steel (to EN, ASME, orASTM specifications) steel , alloy steel , stainless steel (to EN, ASME, orASTM specifications) Valve Plug and Seat Ring (Trim) MaterialsStainless steel (316L)

5 With optional alloy 6hardfacing or PTFE soft seatStainless steel with or without alloy 6 on seat orseat and guideSoft seat is PTFES tainless steel with or without alloy 6 on seat orseat and guideSoft seat is PTFEFlow Characteristics and Maximum Flow CoefficientsEqual percentage or linearMaximum Cv from to opening, linear, or equal percentageMaximum Cv from to 190 Quick opening, linear, or equal percentageMaximum Cv from to 1110 Shutoff Class (IEC 60534-4 and ANSI/FCI 70-2)Class IV (standard with metal seats), Class V(optional with metal seats), or Class VI (optionalwith PTFE seats)Class IV (standard with metal seats), Class V(optional with metal seats), or Class VI (optionalwith soft or metal seats)Class IV (standard with metal seats), Class V(optional with metal seats), or Class VI (optionalwith soft or metal seats)Available Actuators (see section on Sliding -Stem Valve Actuators)GX multi-spring, pneumatic diaphragm657 or 667 spring and diaphragm; 585C piston657 or 667 spring and diaphragm.

6 585C pistonSliding-Stem Valve Selection GuideD102484X012 Product Bulletin40:001 November 2017 3 Heavy-Duty and Severe-Service Valves (ED, ET, HP, and EH)Figure 2. Heavy-Duty and Severe-Service Valves (ED, ET, HP, and EH)EDW3162-3 ETW0451-3HP AND EHW5815-1 Table 2. Heavy-Duty and Severe-Service Valves (ED, ET, HP, and EH)EDETHP and EHApplicationseasy-e heavy-duty, general- and severe- servicevalve for clean liquids and gases with higherpressure drops but where tight shutoff is notrequiredeasy-e heavy-duty, general- and severe- servicevalve for tight shutoff with clean liquids and gaseswith higher pressure drops and temperatures to232_C [450_F] (to 316_C [600_F] with optional sealmaterials)For high-pressure and severe-service with special trim to combat noise andcavitation.

7 Often used in power generationapplicationsStyleCage-guided globe or angle valveBalanced trimCage-retained seatCage-guided globe or angle valveBalanced trimCage-retained seatCage-guided globe or angle valveBalanced or unbalanced trimSizesDN 25 through 200 and NPS 1 through 8 (ED)DN 100 x 50 through 600 x 500 and NPS 4 x 2through 24 x 20 (EWD)DN 25 through 200 and NPS 1 through 8 (ET)DN 100 x 50 through 600 x 500 and NPS 4 x 2through 24 x 20 (EWT)DN 25 through 500 and NPS 1 through 20 RatingsPN 10, 16, 25, 40, 63, or 100, and CL150, 300, or 600PN 10, 16, 25, 40, 63, or 100, and CL150, 300, or 600 DIN PN 160, 250, 420 and CL900, 1500, 2500, or intermediate ASME ratingsEnd ConnectionsScrewed NPT internal, flat- or raised-face flanged,ring-type joint, socket-weld and buttwelding endsScrewed NPT internal, flat- or raised-face flanged,ring-type joint, socket-weld and buttwelding endsRaised-face flanged, ring-type joint.

8 Socket-weldand buttwelding endsExpanded endsValve Body MaterialsSteel, alloy steel , stainless steel (to EN, ASME, orASTM specifications) steel , alloy steel , stainless steel (to EN, ASME, orASTM specifications) steel , alloy steel , stainless steel (to EN, ASME, orASTM specifications) Valve Plug and Seat Ring (Trim) MaterialsStainless steel with or without alloy 6 on seat orseat and guideStainless steel with or without alloy 6 on seat orseat and Guide . Soft seat is PTFES tainless steel with or without alloy 6 on seat orseat and guideFlow Characteristics and Maximum Flow CoefficientsQuick opening, linear, or equal percentage Maximum Cv from to 6500 Quick opening, linear, or equal percentageMaximum Cv from to 6500 Linear, equal percentage or characterizedMaximum Cv from to 2600 Shutoff Class (IEC 60534-4 and ANSI/FCI 70-2)Class II (standard)Class III or IV (optional depending on size)Class IV (standard with metal seats), Class V(optional with soft or metal seats)

9 , or Class VI(optional with soft or metal seats)Class II, III, IV or V (depending on size andconstruction)Available Actuators (see section on Sliding -Stem Valve Actuators)657 or 667 spring and diaphragm; 585C piston657 or 667 spring and diaphragm; 585C piston657 or 667 spring and diaphragm; 585C pistonSliding-Stem Valve Selection GuideD102484X012 Product Bulletin40:001 November 2017 4 Three-Way Valves, Cryogenic, and Lined Valve (YD and YS, ET-C and EZ-C, and RSS)Figure 3. Three-Way, Cryogenic, and Lined Valves (YD and YS, ET-C and EZ-C, and RSS)YD AND YSW0665-3ET-C & EZ-CW6396 RSSW4521-2 Table 3.

10 Three-Way, Cryogenic, and Lined Valves (YD and YS, ET-C and EZ-C, and RSS)YD and YSET-C and EZ-CRSSA pplicationsThree-way valves for flow-mixing or flow-splittingservice. The YS unbalanced, and the YD is stainless steel cryogenic valves for liquefiednatural gas and other special chemical andhydrocarbon applications with temperatures to-198_C (-325_F)Lined Valve for severely corrosive or toxic processfluids. An economic alternative to alloy in pressure and temperatureStyleCage-guided three-way globe valvesBalanced or unbalanced trimSingle-seated post-guided (EZ-C) or cage-guided(ET-C) globe valveUnbalanced (EZ-C) or balanced (ET-C) Metal seatsFully lined, single-seated, u