Instruction Manual
D104727X012
DSV1000 Valve
June 2022
4
Installation
WARNING
D
To avoid personal injury, always wear protective gloves, clothing, and eyewear when performing any installation
operations.
D
To avoid personal injury or property damage resulting from the bursting of pressure retaining parts, be certain the
service conditions do not exceed the limits given in this manual.
D
To avoid personal injury or property damage that can result from the sudden release of process pressure if valve or
mating pipe flange pressure ratings are exceeded, provide a relief valve for over‐pressure protection as required by
government or accepted industry codes and good engineering practices.
D
Personal injury could result from packing leakage. See the Packing Maintenance section for adjustment information.
D
Check with your process or safety engineer for any additional measures that must be taken to protect against process
media.
D
If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section in this
instruction manual.
D
Use proper lifting and rigging practices while moving the valve or valve/actuator assembly.
Key number locations are shown in figures 4, 5, and 6,
unless otherwise noted. Throughout this manual, the
component key number will be identified for clarity.
1. Install a three‐valve bypass around the valve assembly if continuous operation will be necessary during inspection
and maintenance of the valve.
2. The valve is normally shipped as part of a valve assembly, with a factory adjusted actuator mounted on the valve. If
the valve or actuator has been purchased separately, or if the actuator has been removed, refer to the Actuator
Mounting section and the appropriate actuator instruction manual for installation and adjustment procedures.
3. The standard valve construction allows uni-directional or bi-directional flow. If possible, install the valve in a
horizontal pipeline with the drive shaft vertical, however, the orientation of the valve does not affect the
performance.
NOTICE
Be certain the valve and adjacent pipelines are free of any foreign material that could damage the valve sealing surfaces.
4. Provide appropriate flange gaskets, and place the valve in the pipeline. Tighten flange bolting in a star pattern to
ensure the flange gaskets are compressed evenly.
Note
Standard Fisher DSV1000 live-loaded PTFE packing is composed of partially conductive packing rings (carbon‐filled PTFE male and
female adaptors) to electrically bond the drive shaft to the valve body. For hazardous area service, an alternate shaft‐to‐body
bonding strap is also available by using the following step (see figure 2).
5. For hazardous area applications where redundant shaft-to-body grounding is preferred, attach the optional
bonding strap assembly (key 45) to the valve drive shaft (key 4) with the clamp (key 44) and connect the other end
of the bonding strap assembly to the valve body with the mounting cap screw as shown in figure 2.
