Data Sheet

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Fisherr EW Series (EWD/EWS/EWT)

Sliding-Stem Control Valves through NPS 12x8

Fisher EW Series easy-et valves (figures 1, 2, 3, and 4)

feature large internal cavities with expanded end

connections and a variety of unbalanced and balanced

plug designs. Sizes available from NPS 4x2

(1)

through

12x8. These combinations provide good fluid control

in economical, high-capacity valve bodies that keep

valve outlet velocities within practical limits.

These valves meet a variety of service requirements,

such as power plants where oversized piping is used to

limit fluid flow velocity. They also perform well in noise

abatement applications; for example, high-pressure

gasreducingstationswheresonicvelocitiesareoften

encountered at the outlet of conventional valve

bodies.

The Fisher EW product line is available for a wide range

of applications, including sulfide and chloride

stress-cracking environments common to the oil and

gas production industries. To discuss available

constructions, contact your Emerson Process

Management sales office and include the applicable

codes and standards required for these environments.

The easy-e Valve Family

EW Series valves are part of the versatile easy-efamily

of Fisher industrial control valves. easy-evalvesshare

the following characteristics:

 Multiple trim material choices

 Trim temperature capability with metal seats

standard to 427_C(800_F)

 Interchangeable, restricted-capacity trims and

full-size trims to match variable process flow

demands

W2777-3

 Different cage/plug styles that provide particular

flow characteristics for highly-specialized

applications. The standard cage comes in three

different flow characteristics:

D quick-opening

D linear

D equal percentage

 Cavitrolt III cages are available to eliminate

cavitation damage and Whisper Trimt III cages are

available to help attenuate aerodynamic noise.

 316 stainless steel packing box parts are standard

(including packing flange, studs, and nuts)

The temperature limits of EWT valves can be extended

above 232_C(450_F) by using PEEK

EW Valve

D100023X012

Product Bulletin

51.1:EW

August 2012

Summary of content (32 pages)

PAGE 1
Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Fisherr EW Series (EWD/EWS/EWT) Sliding-Stem Control Valves through NPS 12x8 Fisher EW Series easy-et valves (figures 1, 2, 3, and 4) feature large internal cavities with expanded end connections and a variety of unbalanced and balanced plug designs. Sizes available from NPS 4x2(1) through 12x8. These combinations provide good fluid control in economical, high-capacity valve bodies that keep valve outlet velocities within practical limits.
PAGE 2
Product Bulletin EW Valve 51.1:EW August 2012 (PolyEtherEtherKetone) anti-extrusion rings in combination with a spring-loaded PTFE seal. The PEEK anti-extrusion rings expand to close off the clearance gap between the plug and the cage where the PTFE seal may extrude at high temperatures and pressures. The temperature limits are extended to 316_C (600_F) for non-oxidizing service and to 260_C (500_F) for oxidizing service.
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Product Bulletin EW Valve 51.
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Product Bulletin EW Valve 51.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Figure 1. Fisher EWD Valve with Standard Cage BONNET GASKET PTFE V-RING PACKING GRAPHITE PISTON RING VALVE PLUG PIN SHIM SPIRAL WOUND GASKET LOAD RING CAGE RETAINER CAGE SEAT RING SEAT RING GASKET W9035 W9036 TYPICAL OF CONSTRUCTIONS THROUGH NPS 12x6 NPS 12x8 CONSTRUCTION NOTE: THE NPS 10x8 VALVE IS SIMILAR IN APPEARANCE TO SIZES THROUGH NPS 12x6. HOWEVER, THE NPS 10x8 USES THE LOAD RING SHOWN FOR THE NPS 12x8.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Figure 3. Fisher EWS Trim Details Showing Standard Cage and Seating Construction W0989-2 CLAMPED METAL SEAT RING C-seal Trim Description C-seal trim (figure 5) is available for valves with port diameters from 2.875 inches through 8 inches. With C-seal trim, a balanced valve can achieve high-temperature, Class V shutoff.
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EW Valve D100023X012 Product Bulletin 51.1:EW August 2012 Figure 4.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Figure 5. C-seal Trim STAKE THREAD PISTON RING RETAINER C-SEAL METAL PLUG SEAL(1) VALVE PLUG FLOW DOWN C-SEAL METAL PLUG SEAL(1) A6869 FLOW UP NOTES: 1. REVERSE THE ORIENTATION OF THE C-SEAL PLUG SEAL FOR PROPER SHUTOFF WHEN VALVE IS USED IN A PROCESS WITH DIFFERENT FLUID FLOW DIRECTION. Figure 6.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 1.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 2. Available Valve Constructions(1) VALVE SIZE(2), NPS CL150, 300, or 600 VALVE EWD EWD-1 EWS EWS-1 EWT EWT-1 CL900 4x2 6x4 8x4 8x6 10x6(3) 12x6 10x8 12x8 8x6 12x8 x --x --x --- x --x --x --- x --x --x --- x --x --x --- x --x --x --- x --x --x --- x --x --x --- x --x --x --- x --x --x --- x x x x x x 1. X indicates available construction. 2. Two-number valve size designates end connection size x effective trim size.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 3.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 5. Fisher EWD, EWS, and EWT Metal Trim Part Combinations(1) Except for Valves with Cavitrol III or Whisper Trim III Cages SEAT TRIM DESIGNATIONS VALVE PLUG CAGE Disk Seat, Retainer for PTFE Seat Constructions Seat Ring for Metal Seat Constructions 1 (standard trim for all valves except EWT and those in CF8M. Trim 57 is standard for EWT.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Fisher TSO (Tight Shutoff) Trim Capabilities See figure 6 and tables 8, 9, and 10. For additional information contact your Emerson Process Management sales office. Table 8. TSO (Tight Shutoff) Leakage Class Leakage Class Maximum Leakage Test Medium Test Pressure Test Procedure TSO (Tight Shutoff) Valves with TSO trim are factory tested to a more stringent Fisher test requirement of no leakage at time of shipment.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 PRESSURE DROP, BAR PRESSURE DROP, PSI PRESSURE DROP, PSI PRESSURE DROP, BAR Figure 8.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 11.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 12.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Figure 9.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Figure 11. Detail of 2-Stage Cavitrol III Cage in CL300 or 600 Fisher EWT Valve Figure 12.
PAGE 19
Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Figure 13. Fisher EWT Metal-Seat Valve with Whisper Trim I Cage Figure 14. NPS 8x6 Fisher EWD Valve with Whisper Trim III Cage (shown with optional drain plug) OPTIONAL TRIPLE PISTON RINGS USED TO OBTAIN CLASS IV SHUTOFF (THIS OPTIONAL SHUTOFF ALSO AVAILABLE IN OTHER EWD SIZES AND CONSTRUCTIONS) BACKUP RING CAGE RETAINER BONNET SPACER SEAL RING BAFFLE CAGE W9039 W9038 Figure 15.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 17.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 18.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Figure 16.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Figure 17.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 20.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 21. Additional Specifications(1) VALVE SIZE, NPS PORT DIAMETER VALVE PLUG TRAVEL STEM AND YOKE BOSS DIAMETERS Standard Stem Optional Yoke Boss Stem Yoke Boss CAGE STYLE mm Inch mm Inch mm Inch mm Inch mm Inch mm Inch 4x2 59 2.3125 29 1.125 12.7 1/2 71 2-13/16 19.1 3/4 90 3-9/16 19.1 3/4 90 3-9/16 6 x 4, 8 x 4 111 4.375 51 2 12.7 1/2 71 2-13/16 25.4 1 31.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Figure 18.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 22.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 23. Bonnet Selection Guidelines BONNET STYLE (CL300, 600)(1) IN-BODY PROCESS TEMPERATURE LIMITS(2) PACKING Plain Bonnet J Standard for NPS 2, 4, and 6 nominal trim sizes J Standard for NPS 10x8 and 12x8 valves (in cast iron, WCC). Not available in S31600 Style 1 Cast Extension Bonnet J Optional for NPS 2, 4, and 6 nominal trim sizes J Standard for NPS 10x8 and 12x8 valves (in S31600).
PAGE 29
Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 25. Dimensions A Class, End Connection Style(1) VALVE SIZE, NPS CL150 RF RF RTJ RF, BW RTJ 4x2 6x4 8x4 352 451 543 368(2) 473(2) 568(2) 384 489 584 394(2) 508(2) 610(2) 8x6 10 x 6(4) 543 603 568(2) 603 584 619 12 x 6 10 x 8 12 x 8 737 673 737 775(2) 708(2) 775(2) 4x2 6x4 8x4 13.88 17.75 21.
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Product Bulletin EW Valve 51.1:EW August 2012 D100023X012 Table 27. Dimensions (Dimension B for 12 x 8 Valve Sizes) Class, End Connection Style(1) VALVE SIZE, NPS CL150 12 x 8 292 RF CL300 CL600 RF RTJ RF, BW CL900 RTJ RF RTJ BW 335 397 398 422 13.18 15.63 15.69 16.63 mm 311 319 333 Inch 12 x 8 11.50 12.25 12.56 13.12 1. End connection style abbreviations: RF - Raised Face, RTJ - Ring Type Joint, BW - Buttwelding. Table 28.
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EW Valve D100023X012 Product Bulletin 51.
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Product Bulletin 51.1:EW August 2012 EW Valve D100023X012 Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.