Instruction Manual Form 5410 November 1998
Design CP/ENVIRO-SEALR Bellows Seal
Design CP Control Valve with ENVIRO-SEALR Bellows Seal Bonnet Contents Introduction
.............................. 1 Scope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation
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BELLOWS SEAL BONNET
Maintenance
.............................. 4 Packing Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 4 Tightening Packing . . . . . . . . . . . . . . . . . . . . . . . . . . 5 ENVIRO-SEAL Bellows Seal and Bonnet . . . . . . . . 5 Replacing a Standard Bonnet with an ENVIRO-SEAL Bellows Seal (Stem/Bellows Assembly) and Bonnet . . . . . . . 5 Replacing an Installed ENVIRO-SEAL Bellows Seal (Stem/Bellows Assembly) . . . . . . 7 Trim Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Parts Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . .
BELLOWS SEAL ASSEMBLY WITH VALVE PLUG
11 W6472–1 / IL
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
Introduction
Figure 1. Design CP Valve with ENVIRO-SEALR Bellows Seal
you have any questions about these instructions, contact your Fisher Controls sales office or sales representative before proceeding.
Scope of Manual
Only persons qualified through training or experience should install, operate, and maintain these valves. If
Description The Design CP control valve, shown in figure 1, is a globe-style valve with stem guiding and quick-change trim. The valve has multiple-trim options, standard fullsize and restricted-capacity trims with metal seat rings, and, for tight shutoff, a composition seat.
D102244X012
This instruction manual includes installation, maintenance, and parts information for the Design CP control valve. Refer to separate manuals for instructions covering the actuator, positioner, and accessories.