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Back Pressure Valves

Norriseal Wellmark’s Back Pressure Valves can be used in any installation where upstream pressure is required to be kept at a preset range. Back pressure valves may also be used as: a pressure relief valve, a custody transfer dump valve to hold a certain back pressure, or as a separator back pressure valve on the gas or liquid side.

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Back Pressure Valves

Products

3535 Diaphragm Operated Back Pressure Valve, Low Pressure, Single Seat

3535 Diaphragm Operated Back Pressure Valve, Low Pressure, Single Seat

5555 Back Pressure Valve, Double Seated (Balanced)

5555 Back Pressure Valve, Double Seated (Balanced)

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