Gas Regulator

Pressure in a propane tank, large or small, can range between 100 and 200 psi...or even higher when the tank gets hot in the sun. This propane tank pressure must be reduced and be regulated for use in a home, motor home, camper, or an outdoor gas appliance. A residential application will require a low pressure regulator which reduces the gas pressure to 6 ounces (10.5 inches water column).This low pressure regulator will be located on or near the main supply tank to the home, motor home, or camper.

Outdoor gas appliances may access low pressure propane gas through a gas convenience outlet located somewhere after the low pressure regulator or directly from a portable tank like the kind you see at Home Depot or Lowes. Portable tanks require propane pressure regulation. Sometimes a low pressure regulator is built directly into the gas appliance, but more often is installed on the portable tank itself. Check with your gas appliance manufacturer to see what propane pressure is required for your appliance.

Outdoor gas appliances such as high heat cast iron burners require the use of a high pressure regulator because they need more volumes of gas than a low pressure regulator can deliver. High pressure regulators regulate the output pressure from 1 psi to as high as 60 psi. There are a number of different high pressure regulators available. Some high pressure regulators are "preset". That is, the propane pressure is fixed at a certain pressure; i.e., 10 psi or 20 psi. Attenuation of the amount of gas delivered to the appliance is done by use of an inline ball valve or needle control valve located either on the hose or built into the appliance.

The other common type of high pressure regulator is an "adjustable" high pressure regulator. Adjustable high pressure regulators are available in 0-20 psi, 0-30 psi, and 0-60 psi versions and have an output pressure adjustment control built directly into the regulator.

Outdoor gas appliances such as high heat cast iron burners require the use of a high pressure regulator because they need more volumes of gas than a low pressure regulator can deliver. High pressure regulators regulate the output pressure from 1 psi to as high as 60 psi.

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