Emerson Fisher easy-e EWT-C Manuál s instrukcemi Strana 1

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www.Fisher.com
Fisherr EZ-C, ET-C, and EWT-C Cryogenic
Sliding-Stem Control Valves
Contents
Introduction 1.................................
Scope of Manual 1.............................
Description 1.................................
Specifications 2...............................
Educational Services 3.........................
Installation 3..................................
Maintenance 5.................................
Packing Maintenance 7.........................
Replacing Packing 7........................
Trim Maintenance 10..........................
EZ-C Trim Disassembly 10...................
EZ-C Trim Assembly 11.....................
ET-C and EWT-C Trim Disassembly 12.........
ET-C and EWT-C Valve Plug Maintenance 13....
ET-C and EWT-C Trim Assembly 14...........
Coining Soft Metal-to-Metal Seats 14.........
Parts Ordering 14...............................
Parts Kits 15...................................
Parts List 18...................................
Bonnet Parts 18...............................
EZ-C Valve Body Parts 18.......................
ET-C and EWT-C Valve Body Parts 22..............
Figure 1. Typical Fisher Cryogenic Valve with
Extension Bonnet and 585C Series Actuator
W6370
Introduction
Scope of Manual
This instruction manual includes installation, maintenance, and parts information for Fisher EZ-C, ET-C and EWT-C
valves (see figure 1). Refer to separate manuals for instructions covering the actuator and accessories.
Do not install, operate, or maintain EZ-C, ET-C or EWT-C valves without being fully trained and qualified in valve,
actuator, and accessory installation, operation, and maintenance. To avoid personal i njury or property damage, it is
important to carefully read, understand, and follow all the contents of this manual, including all safety cautions and
warnings. If you have any questions about these instructions, contact your Emerson Process Management sales office
before proceeding.
Description
EZ-C: globe-style, single-port, unbalanced valves with integral end connections, post guiding, metal-to-metal seating,
and quick-change trim. They feature stainless steel construction materials and fabricated extension bonnets.
ET-C and EWT-C: metal-to-metal seated globe-style, single-port, cage-guided, pressure-balanced valves featuring
stainless steel construction materials and fabricated extension bonnets.
Instruction Manual
D102175X012
EZ-C, ET-C, and EWT-C Valves
October 2014
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Shrnutí obsahu

Strany 1 - Sliding-Stem Control Valves

www.Fisher.comFisherr EZ-C, ET-C, and EWT-C CryogenicSliding-Stem Control ValvesContentsIntroduction 1...Scope of Manual

Strany 2

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 20141014. Lubricate the bolting with anti-seize lubricant and install it, using accep

Strany 3 - Installation

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 201411VALVE STEM STEM TORQUEDRILL SIZE,INCHESDDIMENSIONmm Inch NSm Lbf-ft mm Inch9.51

Strany 4

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 2014121. Screw the valve stem (key 7) into the valve plug (key 2). Tighten to the tor

Strany 5 - Maintenance

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 2014131. Remove the actuator and the bonnet according to steps 1 through 9 of the Rep

Strany 6

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 2014145. Toreplacethevalvestem(key7),driveordrilloutthepin(key8).Unscrewthevalveplugf

Strany 7 - Packing Maintenance

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 201415Parts KitsGasket KitsIncludes keys 10, 12, 13, and 25 for EZ-C valves. Includes

Strany 8

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 201416ENVIRO-SEAL Packing Repair KitsRepair kits include parts to replace the “soft”

Strany 9 - Installing the Bonnet

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 201417Figure 7. Extension Bonnet Assembly44B8565-ANOTE:KEY 6 CONTAINS SEVERAL PARTS;

Strany 10 - Trim Maintenance

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 201418Parts ListNotePart numbers are shown for recommended spares only. For partnumbe

Strany 11 - EZ-C Trim Assembly

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 201419Figure 8. Fisher EZ-C Valve Assembly44B8573-B16A1943-AGASKET DETAILAPPLY LUBRIC

Strany 12 - Instruction Manual

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 20142Table 1. SpecificationsValve SizesEZ-C: NPS J 1, J 1-1/2, J 2, J 3, and J 4ET-C:

Strany 13

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 201420Key 2* Fisher EZ-C Equal Percentage (Including Micro-Form), Linear, and Quick-O

Strany 14 - Parts Ordering

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 201421Key7*FisherEZ-CValveStem,S20910(UseW/Group1Actuators)VALVE SIZE, NPSSTEM DIAMET

Strany 15 - Parts Kits

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 201422ET-C and EWT-C Valve Body Parts (figure 9)NotePart numbers are shown for recomm

Strany 16

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 201423Figure 9. Fisher ET-C and EWT-C Valve Assembly54B8568-C54B8579-B16A1943-A54B856

Strany 17

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 201424Key 2* Fisher ET-C and EWT-C Valve PlugVALVE SIZE,NPSPORT DIAMETERSEAT STYLEMet

Strany 18 - Parts List

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 20143Table 2. Maximum Allowable Actuator Thrust for Standard Style 3 Bonnet Extension

Strany 19

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 20144CAUTIONWhen ordered, the valve configuration and construction materials were sel

Strany 20

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 20145MaintenanceValve parts are subject to normal wear and must be inspected and repl

Strany 21

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 20146Figure 3. Double PTFE V-Ring Packing ArrangementsA67469.5 mm(3/8 INCH)STEM12.7 m

Strany 22

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 20147Packing MaintenanceThis section covers PTFE V-ring, double PTFE, and graphite pa

Strany 23

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 20148Do not remove a stuck bonnet by pulling on it with equipment that can stretch or

Strany 24

Instruction ManualD102175X012EZ-C, ET-C, and EWT-C ValvesOctober 20149D If fluid leaks from the joint, it may indicate that process pressure is applie

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