2.2 Installation
1.
Depressurize the pipeline.
The pipeline must be depressurized prior to installing and removing the unit.
2.
Ensure that all valves on the GSS-4PM are closed.
3.
Wrap the threads of the threaded pipeline connection with PTFE tape.
4.
Install the GSS-4PM to the pipeline. If the GSS-4PM is equipped with the optional Welker LE-2SSKO Probe Mounted
Liquid Eliminator, ensure that it is installed so that the stinger is downstream of the direction of product flow (
Figure 5
).
Figure 5: Correct Installation of GSS-4PM With LE-2SSKO
5.
As necessary, connect from the solenoid exhaust tubing to a flare (
Figure 1
).
If the process gas used to actuate the sampler cannot be safely vented to the atmosphere, Welker recommends connecting
from the solenoid exhaust tubing to a flare.
6.
If the GSS-4PM is equipped with a Welker 4P Sample Frequency Controller, refer to the
Installation, Operation, and
Maintenance
(IOM)
Manual
for the 4P for wiring instructions.
7.
If the GSS-4PM is equipped with a solenoid, connect from the PLC to the solenoid (
Figure 1
).
8.
If process gas will be used to actuate the sampler, the sample cylinder may now be installed.
If a Welker SC Single Cavity Cylinder will be used for sample collection, proceed to step 15.
If a Welker Constant Pressure Cylinder will be used for sample collection, proceed to step 18.
10
IOM-022
MODEL: GSS-4PM
REV: F
13839 West Bellfort Street, Sugar Land, TX 77498
welker.com
Service Department 281.491.2331
