Back Pressure Regulator/Relief Valve (BPRV)
The Sentry Back Pressure Regulating and Relief Valve combines the functions of a pressure regulator (back pressure regulator) and a relief valve. The BPRV acts as a shock absorber to “absorb” changes in system pressure to maintain a fixed back pressure on the analyser branch lines. This helps to ensure that the analyser cells always receive the desired amount of flow for proper measurements.
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