Back Pressure Regulators

Back Pressure Regulators, also known as pressure reducing regulators or pneumatic relief valves, are a key factor in protecting downstream equipment in a pneumatic system from over pressurization. ControlAir Precision Back Pressure Regulators are high flow, stable and highly accurate with adjustable set points. A rolling diaphragm provides the sensitivity that enables these units to vent to atmosphere in response to the slightest upstream changes.

Some common applications include:

Tank Blanketing
Pressure control for fuel cell testing
Pressure control in the extrusion process
Precision bypass valves for critical processes

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ControlAir Back Pressure Regulators are used in place of a standard relief valve to provide protection against excessive build-up in supply pressure lines to instruments and other sensitive control devices. The most common application is to control the air pressure in a system supplied by a compressor. Used in conjunction with a diaphragm operated inlet restricting valve and a bleed orifice, the Back Pressure Regulators relieve excess compressor pressure while activating the intake restricting valve. When the regulator shuts off, the down-stream air vents through the bleed orifice allowing the restricting valve to open.

Some common applications include:

Tank Blanketing
Pressure control for fuel cell testing
Pressure control in the extrusion process
Precision bypass valves for critical processes

For more information on Back Pressure Regulators, please see our blog, “What is a Back Pressure Regulator”, and “What is the purpose of the negative bias option for volume boosters?“

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Back Pressure Regulators

Type 700BP Precision Back Pressure Regulator

Type 7200BP Precision Back Pressure Regulator