Fisher ET Instruction Manual
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Fisher ET Instruction Manual

Class 125 through 600
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Instruction Manual
Form 5081
June 2002
Design ET and EAT easy-e
Class 125 through 600
Contents

Introduction

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Scope of Manual

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Assembly
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R
ENVIRO-SEAL
Replacing a Plain or Extension Bonnet with an
(Stem/Bellows Assembly)
Replacement of an Installed ENVIRO-SEAL
Bellows Seal Bonnet (Stem/Bellows
Assembly)
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Purging the ENVIRO-SEAL Bellows
Seal Bonnet
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Introduction
Scope of Manual
This instruction manual includes installation,
maintenance, and parts information for 1- through
8-inch Design ET valves, and 1- through 6-inch
Design EAT valves, through Class 600 ratings. Refer
www.Fisher.com
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10
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12
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15
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Valves
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1
2
3
3
4
4
5
5
9
9
W1916-3 / IL
Figure 1. Design ET Control Valve with Type 667 Actuator
to separate manuals for instructions covering the
actuator and accessories.
No person may install, operate, or maintain a Design
ET valve without first (1) being fully trained and
qualified in valve, actuator, and accessory
installation, operation, and maintenance, and (2)
carefully reading and understanding the contents of
this manual. If you have any questions about these
instructions, contact your Fisher sales office before
proceeding.
ET Valve

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  • Page 1 ....... Figure 1. Design ET Control Valve with Type 667 Actuator Parts List .

  • Page 2: Form

    (Tight Shutoff Trim) seat Design EAT—Angle version of Design ET, used to 1. This is a special non-ANSI/FCI leakage class. facilitate piping or in applications which require a 2. Class V shutoff requires spring-loaded seal ring, radiused-seat plug, and wide-bevel seat ring (not available with 8-inch port, quick-opening cage).

  • Page 3: Specifications

    For installed where service conditions more information, consult your Fisher sales office. could exceed the limits given in table 1 or on the appropriate nameplates. To 4.

  • Page 4: Maintenance

    Valves with ENVIRO-SEAL live-loaded packing or HIGH-SEALt live-loaded packing will not require D The valve packing box may this initial readjustment. See the Fisher instruction contain process fluids that are manuals, ENVIRO-SEAL Packing System for pressurized, even when the valve has Sliding-Stem Valves or HIGH-SEAL Live-Loaded been removed from the pipeline.

  • Page 5: Packing Maintenance

    Disconnect For valves with ENVIRO-SEAL the stem connector, then remove the actuator from packing, see the Fisher instruction the valve by unscrewing the yoke locknut (key 15, manual, ENVIRO-SEAL Packing figure 14) or the hex nuts (key 26, figure 14).
  • Page 6 Instruction Manual Form 5081 ET Valve June 2002 UPPER WIPER UPPER WIPER (KEY 12) (KEY 12) PACKING PACKING FOLLOWER FOLLOWER (KEY 13) (KEY 13) FEMALE FEMALE ADAPTOR ADAPTOR PACKING PACKING RING RING MALE MALE WASHER ADAPTOR ADAPTOR SPACER (KEY 8)
  • Page 7 Instruction Manual Form 5081 ET Valve June 2002 Table 3. Body-to-Bonnet Bolt Torque Guidelines VALVE SIZE, INCHES BOLT TORQUES SA193-B7, SA193-B8M SA193-B8M Design ET Design EAT LbfSft LbfSft 1-1/4 or less 1-1/2, 1-1/2 x 1, 2, or 2 x 1...
  • Page 8 Instruction Manual Form 5081 ET Valve June 2002 Table 4. Recommended Torque for Packing Flange Nuts GRAPHITE TYPE PACKING PTFE TYPE PACKING VALVE STEM VALVE STEM DIAMETER Minimum Torque Maximum Torque Minimum Torque Maximum Torque CLASS CLASS Inches LbfSin LbfSin...

  • Page 9: Trim Maintenance

    4 inches, and wrap it for protection. WARNING 5. On a 6-inch Design ET valve with Whisper Trim III or WhisperFlo cage, also remove the bonnet spacer Any damage to the gasket sealing (key 32) and bonnet gasket (key 10) on top of the surfaces could cause the valve to leak.

  • Page 10: Lapping Metal Seats

    18 and 19 for WhisperFlo trim, and figure 20 for Cavitrol III detail and the 8-inch Design ET valve. D Using a strap wrench or similar tool, unscrew the outer plug from the inner plug. Do not damage the outer plug guide surfaces.
  • Page 11 Instruction Manual Form 5081 ET Valve June 2002 ring (key 27) by inserting one end in the groove and, while turning the plug, press the ring into the groove. Again, be careful not to scratch any surfaces of the ring or plug.

  • Page 12: Assembly

    18 and 19 for WhisperFlo detail, and figure alignment marks line up. This will ensure that the 20 for Cavitrol III detail and the 8-inch Design ET plug parts are metal to metal and the seal is valve.
  • Page 13 TORQUE TORQUE DIAMETER DIAMETER SIZE, SIZE, INCHES THROUGH 7. With an 8-inch Design ET valve, install the load LbfSin LbfSin PACKING ring (key 26). 1 - 2 3 - 8 8. Mount the bonnet on the valve body and complete assembly according to steps 10 through 14 of the Replacing Packing procedure.
  • Page 14 Instruction Manual Form 5081 ET Valve June 2002 UPPER WIPER (KEY 12) BUSHING (KEY 13) PACKING SET: (KEY 6) FEMALE ADAPTOR PACKING RING MALE ADAPTOR SPACER (KEY 8) THRUST RING (KEY 39) SPACER (KEY 8) SPRING (KEY 8) THRUST RING...

  • Page 15: Bellows Seal Bonnet (Stem/Bellows Assembly)

    Instruction Manual Form 5081 ET Valve June 2002 torque shown in table 6. Then, tighten the remaining CAUTION flange nut until the packing flange is level and at a 90-degree angle to the valve stem. When removing/installing a valve plug on the ENVIRO-SEAL stem/bellows 15.

  • Page 16: Purging The Enviro-Seal Bellows Seal Bonnet

    Components that are not manufactured by Fisher testing. should not, under any circumstances, be used in any Fisher valve. The use of parts not manufactured by 1. Remove the two diametrically opposed pipe plugs Fisher may adversely affect the performance of the (key 16).

  • Page 17: Parts Kits

    Instruction Manual Form 5081 ET Valve June 2002 Parts Kits Gasket Kits Gasket Kits (includes keys 10, 11, 12, 13, and 51; plus 14 and 20 on some restricted capacity valves) DESCRIPTION PART NUMBER –198_ to 593_C Full Capacity Valves (–325_ to 1100_F)
  • Page 18 ENVIRO-SEAL Stems and packing box constructions that do not packing box construction. Refer to figure 11 for key meet Fisher stem finish specifications, dimensional numbers for PTFE packing, to figure 12 for key tolerances, and design specifications, may adversely numbers for Graphite ULF packing, and to figure 13 alter the performance of this packing kit.

  • Page 19: Parts List

    Instruction Manual Form 5081 ET Valve June 2002 STUD (KEY 200) HEX NUT SCREW (KEY 212) (KEY 204) PACKING LOAD FLANGE SCALE (KEY 201) (KEY 205) SPRING INDICATOR (KEY 202) DISK (KEY 206) PACKING PACKING RING FOLLOWER (KEY 209) (KEY 203)
  • Page 20 Instruction Manual Form 5081 ET Valve June 2002 Description Part Number ENVIRO-SEAL bellows seal bushing For 9.5 mm (3/8 inch) stem (1 req’d), for size 2 with 12.7 mm (1/2 inch) stem (2 req’d) S31600/PTFE 18A0820X012 R30006 18A0819X012 S31600/Cr Coated 11B1155X012 For size 3 and 4 with 12.7 mm (1/2 inch)
  • Page 21 Instruction Manual Form 5081 ET Valve June 2002 Keys 6*, 7*, 8, and 10 Packing Box Parts STEM DIAMETER, mm (INCHES) DESCRIPTION 9.5 (3/8) 12.7 (1/2) 19.1 (3/4) 25.4 (1) 31.8 (1-1/4) Packing Set, PTFE (1 req’d for single, 1R290001012...
  • Page 22 Instruction Manual Form 5081 ET Valve June 2002 30A9425–A/ DOC DETAIL OF 127 mm (5 INCH) YOKE BOSS ACTUATOR BOLTING AU3910–A/ DOC PLAIN BONNET CU3911–C/ DOC APPLY LUB STYLE 1 OR 2 42B3947–A/ DOC ENVIRO-SEAL EXTENSION BONNET BELLOWS SEAL BONNET...
  • Page 23 Seal Ring (Design ET) see following table Backup Ring (Design ET) see following table Whisper Trim III Cage Retainer for Levels A3, B3 & C3 (6 inch Design ET only) 410 Stainless steel 22A3255X012 WCC steel (ENC) 22A3256X012 316 Stainless Steel (ENC)
  • Page 24 TWO PIECE SEAL RING 53A8595-B/DOC SEAT RING STYLE METAL DESIGN EAT FLOW FLOW DOWN DETAIL OF LINER STYLE DESIGN EAT (METAL SEAT ONLY) FULL CAPACITY METAL SEAT DESIGN ET 44A7928-C/DOC Figure 16. 1- Through 6-Inch Design ET and EAT Valves...
  • Page 25 Instruction Manual Form 5081 ET Valve June 2002 FULL CAPACITY METAL SEAT CONSTRUCTION 52A3326-D / DOC DETAIL OF PTFE SEAT Figure 17. Design ET Valve Assembly with Whisper Trim III Cage...
  • Page 26 Instruction Manual Form 5081 ET Valve June 2002 58B2086-A DETAIL OF PTFE SEAT Figure 18. Design ET Valve Assembly with WhisperFlo Cage...
  • Page 27 Instruction Manual Form 5081 ET Valve June 2002 58B2346-A DETAIL OF PTFE SEAT Figure 19. 8-Inch Design ET Valve Assembly with WhisperFlo Cage...
  • Page 28 54A8132-A/DOC 1 THROUGH 6 INCH VALVE SIZE 8 INCH VALVE SIZE 54A7268-B/DOC PLUG AND SEAL RING WITH SPRING LOADING SHOWN IN CORRECT ORIENTATION FOR 2 STAGE CAVITROL III CAGE Figure 20. Details of Cavitrol III and 8-Inch Design ET Valves...
  • Page 29 Instruction Manual Form 5081 ET Valve June 2002 LOAD RING 40A3290 / DOC STANDARD 8 INCH CONSTRUCTION FULL CAPACITY TRIM DETAIL RESTRICTED TRIM DETAIL 16A1943-A / DOC 30A9542-F / DOC Figure 21. Gasket Set Detail...
  • Page 30 Instruction Manual Form 5081 ET Valve June 2002 Actuator Groups (by type number) Group 401 Group 100 Group 404 Group 1 90.5 mm (3-9/16 inches) Yoke 127 mm (5 inches) Yoke Boss 127 mm (5 inches) Yoke Boss 54 mm (2-1/8 inches),...
  • Page 31 Instruction Manual Form 5081 ET Valve June 2002 Keys 2*, 7*, and 8* Valve Plug and Stem Assembly for Plain Bonnet with Two-Piece Seal Ring 316 STAINLESS VALVE SIZE, INCHES 416 STAINLESS 416 STAINLESS 316 STAINLESS 316 STAINLESS STEM DIAMETER...
  • Page 32 19.1 21A5356X052 21A5356X132 21A5362X062 1. Not for use with 17-4PH stainless steel cages above 210_C (410_F). Key 2* 1-Stage Cavitrol III Valve Plug (Design ET only) STEM DIAMETER 316 STAINLESS STEEL w/CoCr-A 316 STAINLESS STEEL w/CoCr-A VALVE SIZE, INCHES 420 STAINLESS STEEL ON SEAT &...
  • Page 33 25.4 22A3262X012 22A3262X022 22A3263X012 22A3264X012 22A3268X012 1. High temperature. Key 2* Whisper Trim III Valve Plug for Spring Loaded Seal Ring (6-inch Design ET only) 316 STAINLESS 316 STAINLESS STEM DIAMETER 316 STAINLESS 316 STAINLESS 17-4PH (HARDENED) STEEL W/CoCr-A ON...
  • Page 34 2-1/2 or 4 x 2-1/2 3 or 6 x 2-1/2 2V502633272 2V502733272 23A8915X032 - - - 23A8913X032 Key 3* Whisper Trim III Cage (6-Inch Design ET only) 316 STAINLESS STEEL 316 STAINLESS STEEL LEVEL 416 STAINLESS STEEL (NICKEL COATED) (ELECTROLIZED)
  • Page 35 23A5817X032 23A5817X022 38A1027X012 23A5804X012 23A5804X022 38A1029X012 24A3020X032 24A3020X042 Key 7* Design ET Valve Plug Stem, 316 stainless steel (not for Cavitrol III or Whisper Trim III cage) PLAIN BONNET EXTENSION BONNET STEM STEM Style 1 Style 2 DIAMETER & DIAMETER &...
  • Page 36 Instruction Manual Form 5081 ET Valve June 2002 Key 7* 1-Stage Cavitrol III Valve Plug Stem (Design ET only) ACTUATOR TRAVEL STEM DIAMETER 17-4PH VALVE SIZE, VALVE SIZE, 316 STAINLESS 316 STAINLESS GROUP (FROM GROUP (FROM STAINLESS INCHES PRECEDING STEEL...
  • Page 37 24A1135X022 23A5813X012 24A5244X012 23A5820X032 23A5820X012 23A5802X022 24A5245X012 23A9445X022 23A9445X032 24A3021X022 24A5246X012 Key 9* Whisper Trim III Seat Ring (6-Inch Design ET only) 316 Stainless Steel w/ 410 Stainless Steel 316 Stainless Steel CoCr-A Seat 21A9794X012 21A9794X022 21A9795X012 *Recommended spare parts...
  • Page 38 Instruction Manual Form 5081 ET Valve June 2002 Gasket Descriptions MATERIAL KEY NUMBER DESCRIPTION –198_ to 593_C (–325_ to 1100_F) Bonnet Gasket Cage Gasket Graphite/S31600 Seat Ring or Liner Gasket 14 or 20 Adapter Gasket Spiral-Wound Gasket N06600 (Inconel 600)/Graphite...
  • Page 39 6 (Whisper Trim III only) – – – 10A5410X012 Key 24* Seal Ring (Design EAT) Key 28* Seal Ring (Design ET) (not for Cavitrol III or Whisper Trim III Construction) VALVE SIZE, INCHES SPRING-LOADED STANDARD, CARBON PTFE –73 to 232_C (–100 to...
  • Page 40 10A4218X022 2-1/2 10A4217X012 10A4208X012 10A5349X012 10A4217X012 10A4224X012 10A4217X012 None required 10A5409X012 Keys 3*, 9*, 2*, 28*, 63*, 29*, and 27* TSO Trim Parts for Design ET Valves STEM KEY 3 KEY 3 KEY 9 KEY 2 DIAMETER VALVE VALVE PORT,...
  • Page 41 38B0276X012 38B0277X012 38B0276X022 38B0276X032 38B0276X022 1. Trim is 812. Keys 63*, 28*, 29*, 27*, 2*, and 9* Design ET Full Capacity Trim above 232_C (450_F) using PEEK Anti-Extrusion Rings KEY 63 KEY 28 KEY 29 KEY 27 KEY 2 KEY 9...
  • Page 42 Instruction Manual Form 5081 ET Valve June 2002...
  • Page 43 Instruction Manual Form 5081 ET Valve June 2002...
  • Page 44 We reserve the right to modify or improve the designs or specifications of such products at any time without notice. Fisher does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance of any Fisher product remains solely with the purchaser and end-user.

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