How Does Gas Flow Through a Gas Kitchen Range Regulator?

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  • A kitchen gas range regulator helps control the gas pressure required to run the stove and oven. If gas pressure rises too high, the gas tank can explode causing damage and injury. The regulator lets users set a point for gas pressure by setting the pounds per square inch (PSI) or the inches of water column. Regulators are commonly referred to as a first stage, second stage, single stage, or twin stage regulator.

  • A single stage regulator reduces pressure in one step, while a two stage regulator operates in two stages. The single state regulators operate with less precision than two state regulators, so single stage regulators are recommended for operations that require limited gas usage. A single and two stage regulators depend on various parts to operate properly. These parts include: a diaphragm, a pressure handle, an outlet and inlet pressure gauge, a poppet, a spring housing, and a needle valve.

  • Regulators can be installed on the gas cylinder or they can be installed in the gas line. Regulators installed on the tank use a special type of fitting, to ensure a proper seal. Kitchen range regulators installed within the gas lines are usually single gauge and have the outlet and inlet ports located on opposite sides.

  • Gas in a kitchen range flows through the tank and into the inlet of the regulator. Pressure builds beneath the diaphragm of the regulator, which causes it to press against the spring housing. This forces a disc inside the regulator housing to push against the inlet. If the range does not need gas, the disc will stay against the inlet to stop gas flow. If the range needs gas, the pressure under the diaphragm reduces, causing the disc to release from the inlet and allow gas to flow through the regulator. As the diaphragm senses the release and build up of gas pressure, it will regulate the disc to allow the correct amount of gas to be released to the kitchen range.

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