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Emerson Fisher EWT User Manual
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Instruction Manual
D100399X012
EW Valve
July 2017
42
Figure 23. Fisher EWS Valve through NPS 12x6
FLOW DIRECTION
CAVITROL TRIM
STD TRIM
WHISPER TRIM
COMPLETE VALVE ASSEMBLY WITH METAL SEAT WITH OPTIONAL DRAIN PLUG
ELASTOMERIC SEAT DETAIL
31A9274‐C
41
43
Table of Contents
Table of Contents
1
Introduction
1
Scope of Manual
1
Description
3
Specifications
3
Educational Services
4
Installation
4
Inverted Globe Valve Applications (Actuator below Valve)
6
Maintenance
7
Packing Lubrication
8
Packing Maintenance
10
Replacing Packing
10
Trim Maintenance
14
Trim Removal
15
Lapping Metal Seats
16
Valve Plug Maintenance
17
Trim Replacement
19
Retrofit: Installing C-Seal Trim
20
Replacement of Installed C-Seal Trim
24
Trim Removal (C-Seal Constructions)
24
Lapping Metal Seats (C-Seal Constructions)
25
Remachining Metal Seats (C-Seal Constructions)
25
Trim Replacement (C-Seal Constructions)
26
ENVIRO-Sealt Bellows Seal Bonnet
27
Parts Ordering
32
Parts Kits
33
Parts List
36
D100399X012 July
47
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Emerson Fisher EWT Specifications
General
Brand
Emerson
Model
Fisher EWT
Category
Control Unit
Language
English
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