Fisher D Series, Инструкция по эксплуатации, Страница: 1 / 12

D100386X012
Design D and DA Valves
Introduction
1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ceramic Trim
2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance
3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Packing Lubrication 4 . . . . . . . . . . . . . . . . . . . . . . . . . .
Packing Maintenance 4 . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Packing 4 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trim Maintenance 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lapping Metal Seats 6 . . . . . . . . . . . . . . . . . . . . . . . . .
Assembly 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Ordering
7 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Kits
7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List
8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction
Scope of Manual
This instruction manual includes installation, mainte-
nance, and parts information for the Design D and DA
valves. Refer to separate manuals for instructions cov-
ering the actuator, positioner, and accessories.
Only persons qualified through training or experience
should install, operate, and maintain this valve. If you
Figure 1. Design D Valve with Type 657 Actuator
W0232– / IL
have any questions about these instructions, contact
your Fisher Controls sales office or sales representa-
tive before proceeding.
Instruction Manual
Form 1777
June 1998
Designs D & DA