Diagnostic Connections - Emerson Fisher 2625SST Instruction Manual

2625, 2625SST, and 2625NS Volume Booster
September 2022
Figure 3. Typical Installations
POSITIONER
INPUT SIGNAL
ACTUATOR
PIPE TEE
PIPE BUSHING
BODY
BODY PROTECTOR
OPTIONAL
DIAGNOSTIC
CONNECTION
B2372‐1

Diagnostic Connections

To support diagnostic testing of valve/actuator/positioner packages, install connectors and hardware between the
2625, 2625SST, or 2625NS volume booster and the actuator. Typical connector installations are shown in figure 3.
The hardware used includes a 3/4 NPT pipe nipple, pipe tee, and pipe bushings with an 1/8 NPT pipe bushing for the
connector. The connector consists of an 1/8 NPT body and body protector.
See separate instructions for diagnostic connections to the positioner.
6
POSITIONER OUTPUT
(TOP CYL)
PIPE NIPPLE
PIPE TEE
PIPE BUSHING
BODY
BODY PROTECTOR
WITH A PISTON ACTUATOR
WITH A DIAPHRAGM ACTUATOR
OPTIONAL
DIAGNOSTIC
CONNECTION
VOLUME BOOSTER
PIPE NIPPLE
POSITIONER
ACTUATOR
Instruction Manual
VOLUME BOOSTER
SUPPLY
67D, 67DR, OR MR95H
VOLUME BOOSTER
POSITIONER OUTPUT
(BOTTOM CYL)
POSITIONER OUTPUT
SIGNAL
SUPPLY
67D, 67DR, OR MR95H
D100348X012