Gas Pressure Regulator Installation

Stromquist & Company handles many brands of gas pressure regulators, including Maxitrol, Pietro Fiorentini, American Meter, Actaris, and Sensus. All regulators have one thing in common:  if you do not install and pipe them correctly, they will not work properly.

Proper installation includes the following:

1) Check to see how your gas regulator can be mounted. Some regulators, like the Pietro Fiorentini, can be mounted in any position (including upside – down).  Others must be mounted per factory instructions to function properly.

2) Use a drip leg immediately in front of the regulator. Any dirt or debris that flows through your pipe should fall into the drip leg so it doesn’t damage the regulator.

3) On start-up use the air pressure used to pressure check for leaks as a dirt blow through the drip leg before introducing natural gas to the regulator. Even brand new pipes and fittings can contain dirt and debris so it is very important to blow the piping in front of the regulator and the drip leg clean before starting up your regulator.

4) Make sure you add a strainer that has a cleanable screen and a blow down plug. Use  line pressure or compressed air as a means of removing dirt and debris via the blow down plug.  Make this part of your preventive maintenance program and you will prolong the life of your regulator.

The enemy of all gas pressure regulators is dirt, foreign matter, welding heads, construction debris, and moisture.

Anything in the piping that can get between the soft seat and orifice area of the regulator can and usually will cause the regulator to over pressure on the down stream side and not regulate.  If debris gets embedded in the soft seat, it will have to be disassembled and cleaned (by a factory trained professional) before the regulator can be recommissioned.

For information on sizing gas pressure regulators check out the video In and out, in and out, cap size

If you are a Stromquist customer or are in GA or FL, call your Stromquist rep for help with your combustion and flow needs. All others, please refer to one of our affiliates at the Controls Group North America site to find a distributor in your area.

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