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    300X Slow-closing check valve
    Product overview
    Slow closing check valve is composed of hydraulic control valve main valve and control pipeline, and the closing time of main valve can be adjusted;
    Installed at the outlet of the water pump in the building water supply system, mainly used to prevent the backflow of media, can effectively reduce the impact of water hammer and noise.
    Product details
    Product characteristics
    Hydraulic control without external drive;
    Main valve has only one moving part and low failure rate.
    Diaphragm type structure, no friction, high control sensitivity;

    The main valve closing time can be adjusted to effectively reduce water hammer impact and noise.


    Product Standards
    Manufacturing Standards: CJ/T219, JB/T10674
    Connection standard: GB/T17241.6
    Standard for surface spacing: GB/T12221

    Inspection test standard: GB/T13927


    Technical parameter
    Path Pressure: DN50~DN400 (2"~16") PN16
    DN50~DN300 (2 "~12") PN25
    Operating temperature: 0 C~85 C
    Sealing test: 1.1PN
    Case Test: 1.5PN
    Applicable medium: water


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