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    Flexible wedge single disc gate valve

    Standard: ASME B16.34 or GB12224         

    Main part material: carbon steel, alloy steel, stainless steel


    Specification: nominal diameter: 2"-24"

                             nominal pressure: 150lb-600lb

    Temperature range: carbon steel: ≤425℃ alloy steel: ≤595℃ stainless steel: ≤540℃


    1. The inner cavity is adopted with bolt connecting flange form;

    2. Metal winding flexible graphite gasket is used to seal in the inner cavity;

    3. The gate is a bit flexible, as to seal better;

    4. Some welding edges remain on the middle flange part. When leakage happens in the inner cavity when the system works, field welding can be adopted without media exposure;

    5. The valve seat is welded to the body and the sealing surface is over-lay welded with hard Co alloy or Cr13 alloy;

    6. Mode of operation: hand wheel, gear transmission, electric.


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