3
B. Installation
1)
Shut down meter run and isolate from gas source. Be sure to use proper
lockout and tagging procedures.
2)
Bleed off gas from meter run
3)
Ensure installed mounting coupling is free from dirt and debris.
4)
Ensure Sample Probe threads are free from dirt and debris.
5)
Using Teflon tape or Pipe Dope, wrap or cover NPT threads of Sample Probe
(see Figure 2).
6)
Insert gas probe into pipeline coupling (see Figure 3).
7)
Using the correct tool, tighten probe. Securely tighten so there is no gas
leakage. DO NOT OVERTIGHTEN.
8)
Install Shut-off valve on secondary side of Sample Probe if desired.
THREADED NECK 3/4" NPT.
PRESSURE RELEIVE VALVE
PRESSURE GUAGE
1/4" OUTLET PORT
Figure 2 Sample Probe
3/4" NPT
GAS FLOW
SAMPLE PROBE
CUSTOMER INSTALLED COUPLING
PRESSURE GAUGE
OUTLET PORT 1/4" NPT
RELIEF VALVE
Figure 3 Sample Probe Insertion