Standard: ASME B16.34 or GB12224
Main part material: carbon steel, alloy steel, stainless steel
WCB、WC6、WC9、CF3、CF8、CF3M、CF8M
Temperature range: carbon steel: ≤425℃ alloy steel: ≤595℃ stainless steel: ≤540℃
Description:
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.