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A pressure relief valve characterized by rapid opening or closing or by gradual opening or closing, generally proportional to the increase or decrease in pressure.
The pilot control valves use system pressure to keep the main valve closed. System pressure is transmitted through the pressure pickup from the inlet of the main valve, through the pilot control and into the dome of the main valve. The system pressure exerts force upon the top of
The primary purpose of a safety relief valve (SRV) is the last protection of life, environment and property in this process industry by safely venting process fl uid from an overpressurized vessel.
This pressure relief valve is designed to protect equipment from overpressure. The valve should be handled with care, not subjected to heavy shock loads and protected to prevent contamination from getting inside. It should be installed correctly per ASME boiler and pressure vessel code requirements, where applicable.
Cost-effective 1/4 NPT—2 NPT. Commercially available to handle large variety of temperatures and pressures. Set pressure affected by superimposed back pressure at a 1:1 ratio. safety relief valve consisting of a main valve assembly and a controlling pilot valve, combined in one stand-alone unit.
Each relief valve incorporates a vent port that can be connected to a separate pilot control valve to remotely control or unload system pressure. Two types of valve are presented in this catalog: CG2V-***, 10 series: relief/sequence valve with integral manual adjustment of pressure setting. CG5V-***, 11 series: relief valve with
It contains technical information on pressure relief valves and devices. The handbook has 8 chapters that cover terminology, codes and standards, design fundamentals, valve sizing and selection, and engineering support information.
