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    product information

    Bellows Seal Balance Safety Valve

    It´s applicable to equipment or pipelines with variable back pressure or toxic, flammable, or corrosive medium as overpressure protection device.

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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

    Key feature:
    Bellows in the bellows seal balance safety valve can eliminate the influence of system backpressure fluctuation on the action performance of safety valve, and can protect spring and other internals from corrosion by media.

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