www.Fisher.com
Fisher
™
ENVIRO‐SEAL
™
Packing System
for Rotary Valves
Contents
Introduction
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valve/Actuator Shaft Coupler
2
. . . . . . . . . . . . . . . . . .
Description
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing the Actuator
3
. . . . . . . . . . . . . . . . . . . . . . .
Installing an ENVIRO‐SEAL Packing System
4
. . . . . . .
Other Considerations
11
. . . . . . . . . . . . . . . . . . . . . . .
Parts Ordering
13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Kits
13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Retrofit Kits
13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair Kits
16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1. Typical ENVIRO‐SEAL Packing System
W5882-1
W9058‐1
ROTARY
BUTTERFLY
Introduction
Scope of Manual
This instruction manual includes installation and parts information for Fisher ENVIRO‐SEAL live‐loaded packing
systems (see figure 1). These systems are available for Fisher rotary valves with 12.7 through 88.9 mm (1/2 through
3‐1/2 inch) shaft diameters. The system can be used with many rotary valves, as shown in tables 1 and 3. Refer to
appropriate valve and actuator instruction manuals for necessary information relating to the disassembly and
assembly of the valve and actuator. ENVIRO‐SEAL packing systems utilize a Belleville (coned‐disk) spring system.
Do not install, operate, or maintain the ENVIRO‐SEAL packing system, valve, actuator or accessories without being
fully trained and qualified in valve, actuator, and accessory installation, operation, and maintenance.
To avoid personal
injury 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
sales office
before proceeding.
Instruction Manual
D101643X012
ENVIRO-SEAL System - Rotary Valves
February 2019
