Instruction Manual
D100399X012
EW Valve
July 2017
32
D
Thread the adaptor into the valve plug and tighten to the appropriate torque value.
7. Complete the installation by following steps 7 through 15 of the ENVIRO‐SEAL Bellows Seal Bonnet installation
instructions given above.
Purging the ENVIRO‐SEAL Bellows Seal Bonnet
The ENVIRO‐SEAL bellows seal bonnet has been designed so that it can be purged or leak tested. Refer to figure 21 for
an illustration of an ENVIRO‐SEAL bellows seal bonnet. Perform the following steps for purging or leak testing.
1. Remove the two diametrically opposed pipe plugs (key 16, figure 21).
2. Connect a purging fluid to one of the pipe plug connections.
3. Install appropriate piping or tubing in the other pipe plug connection to pipe away the purging fluid or to make a
connection to an analyzer for leak testing.
4. When purging or leak testing has been completed, remove the piping or tubing and reinstall the pipe plugs (key 16,
Parts Ordering
Each body‐bonnet assembly is assigned a serial number, which can be found on the valve. This same number also
appears on the actuator nameplate when the valve is shipped from the factory as part of a control valve assembly.
Refer to the serial number when contacting your
or Local Business Partner for technical
assistance. When ordering replacement parts, refer to the serial number and to the 11‐character part number for each
part required from the following parts list.
WARNING
Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Automation Solutions should
not, under any circumstances, be used in any Fisher valve, because they may void your warranty, might adversely affect the
performance of the valve, and could cause personal injury and property damage.
