Standard: ASME B16.34 or GB12224
Main part material: carbon steel, alloy steel, stainless steel
A105、F11、F22、F304L、F304、F316L、F316
Specification: nominal diameter: 1/4"-2"
nominal pressure: 150lb-1500lb
Temperature range: carbon steel: ≤425℃ alloy steel: ≤595℃ stainless steel: ≤540℃
Description:
1. It is widely in high temperature, high pressure working system;
2. Inner cavity is adopted with thread connecting flange pressure-self-tightening seal form;
3. Inner cavity is sealed with stainless metal winding flexible graphite sealing ring;
4. The bonnet directly acts a role as guiding mechanism of disc;
5. The rod is adopted with anti-rotating structure;
6. Inverted sealing surface is processed directly on the valve body;
7. Valve seat is processed directly on valve body, and the sealing surface is over-lay welded with hard Co alloy or Cr13 alloy;
8. Mode of operation: hand wheel.