Gate Valve
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Spring expanding slab gate valve

Standard:  ASME B16.34 or GB12224     

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

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


1. It is widely used in high temperature working system;

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

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

4. Double disc structure: 2 discs are installed in the same the gate frame, between which is a spring expanding them and giving initial seal stress. The seal surface of gate will not get choked with seal surface of seat;

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. It is convenient to open and close the valve with low torque;

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


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