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    Spring Low Lift Safety Valve with Wench

    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: GB/T 12241-2005, GB/T 12243-2005
    Structure length: JB/T 2203
    Inside nominal diameter: DN15-DN500
    Pressure range: PN16-PN160

    Key feature:
    1. Compact structure, beautiful appearance, precision casting, and smooth surface.
    2. The valve seat is separable to the valve body for easy maintenance.
    3. The umbrella-type disc holder works with valve seat adjusting ring for adjustment, which can effectively increase the lift force, so that the valve can be fully opened rapidly at a low overpressure to discharge media;
    4. The valve can rapidly reseat after overpressure relief to reach satisfactory blowdown

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