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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 basic spring loaded pressure relief valve has been developed to meet the need for a simple, reliable, system actuated device to provide overpressure protection. Figure F2-1 shows the construction of a spring loaded pressure relief valve.
This document is the Pentair Pressure Relief Valve Engineering Handbook. 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.
The basic spring loaded pressure relief valve has been developed to meet the need for a simple, reliable, system actuated device to provide overpressure protection.
The user must analyze all aspects of the application, follow applicable industry standards, and follow the information concerning the product in the current product catalog and in any other materials provided from Parker or its subsidiaries or authorized distributors.
Versatile version variants are available: – Housing for pipeline installation with and without measuring connection. Valve cartridges for block installation. Various adjustment methods such as hand wheel, lead-seal capable, fixed, hand wheel with scale (with and without lock).
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-***, 20 series: relief valve with
