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Direct Acting Pressure Relief Valve

Product details

The direct acting pressure relief valveis a safety device in the pipe, which is usually in a closed state. When the pressure in the pipe rises suddenly, it will quickly discharge excessive pressure to ensure the safety of equipment in the pipe.

Piston and diaphragm compound structure, to improve the traditional pressure relief valve diaphragm is not withstand pressure or the piston easy to wear caused by leakage problems.The valve is suitable for water, gas, acid, alkaline or oil media.


(1)Inlet Voltage Regulation Range: 1kgf/cm2—6kgf/cm2

                                                             4kgf/cm2—10kgf/cm2

                                                             8kgf/cm2—13kgf/cm2

(2)Service temperature: 0℃—80℃

(3)Pressure gauge shows outlet pressure

(4)Nominal pressure PN1.0Mpa—1.6Mpa,specifications DN15-DN150。

(5)The RLF type is flanged and the RLT type is threaded.


Special media, higher service pressure or temperature can be customized.



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