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    Spring Safety Valve with Wrench

    Carbon steel valve is used for equipment or pipelines containing such medium as air, petroleum gas, and liquid; stainless steel valve is used at equipment or pipelines containing corrosive medium, serving as overpressure protection device. When the medium pressure reaches more than 75% of opening pressure, it can be opened manually with wrench (in a safe manner).

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    Design and manufacture standard:  Design and manufacture standard:
    Design standard: ASME VIII, API520
    Structure length: API526
    Inside nominal diameter: 1/2”-20”
    Pressure range: 150LB-2500LB

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