What is the procedure for running a pressure test with air on the gas line
at a gas pack unit. It has to maintain 10 lbs. of pressure over night. I have
not done this type of test in a long time. I have the test gauge. This is
required because the unit has been off for over a year.
Not enough info.
You can't apply the 10psi to the appliance, so the
valve serving it must be closed.
If you will be pressurizing the service line into the
house, *all* appliances must be isolated from the line
during testing. The regulator and meter must also be
isolated from the test pressure.
Then pump up the line...
This procedure is best done by a professional since there are requirements
to prevent the pressure from damaging the appliance gas valves, the meter,
or any installed regulators. You are generally required to disconnect
things, not just shut off valves. The gas company also will require that
they or someone they trust do this job and they may require a recording
pressure gage. It is simple but highly critical and should not cost very
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