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    Z43WF Type Non-Guide Plate Gate Valve

    Z43WF Type Non-Guide Plate Gate Valve

    Product Category:GATE VALVE
    Product Name:Z43WF Type Non-Guide Plate Gate Valve
    Product Tag:Non-Guide Plate Gate Valves
    Update Date:2021/8/24 22:36:16

    Note: Our Products Can Be Customized According To Customers' Needs. In Addition To National Standards,We Can Design And Manufacture According To American Standards, Japanese Standards, German Standards, Russian Standards, British Standards And So On.
    Z43WF non-guide plate gate valve is suitable for natural gas, petroleum, chemical, environmental protection, urban pipelines, gas pipelines and other transportation pipelines, venting systems and steam storage devices, as opening and closing equipment.

    Structure instruction

    1. The valve seat is a rigid floating seat inlaid with PTFE or filled PTFE sealing ring, which has a double sealing effect. The valve seat is pre-tightened by the O-ring at the end, and the active cold effect of the floating seat achieves simultaneous sealing of the inlet and outlet. This double sealing structure completely isolates the cavity of the valve body from the passage, and the valve can be inspected and repaired under working conditions to remove residues in the body cavity.

    2. The ram is a rectangular parallel plate with a through hole with the same diameter as the channel (with diversion hole), or without a hole (without diversion hole). When fully opened, the channel is smooth and straight. , The flow resistance coefficient is low, the pressure loss is small, the gate and the valve seat are always in contact with each other when opening and closing, you can test the particulate dirt attached to the sealing surface, and the sealing surface can be protected from being directly washed by the medium

    3. The valve stem and the gate are connected by a "T" groove

    4. The flange of the flat valve adopts metal flexible graphite gasket, and the flange of the round valve adopts O-ring seal;

    5. There is an oil seal device on the sealing surface. In an emergency, the grease injector can be screwed to inject the sealing grease to ensure the sealing is reliable;

    6. The valve is fully enclosed, and there is an opening indicator on the upper end of the valve cover, which can indicate the opening and closing state and height of the valve at any time;

    7. The surfaces of parts such as rods, seats and gates are all subjected to special heat treatment (mos2)

    8. Both the bottom of the valve body and the upper part of the valve cover are equipped with pressure relief devices, which can discharge dirt and increase pressure caused by temperature rise;

    9. Turn the handwheel clockwise to close, and vice versa to open.


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