• Product features:

1. Various valve seat structures and various ball hardening treatment methods, suitable for different temperatures and media.
2. Anti-blowout valve stem;
3. Emergency valve stem seal;
4. Double block and bleed (DBB);
5. Valve body discharge;
6. Double piston effect valve seat (DB);
7. Low temperature, hydrogen, oxygen, vacuum occasion configuration;
8. Buried requirements;
9. Extended valve stem;
10. NACE anti-sulfur requirements.

• Product standards: GB/T 12224, GB/T 21385
• Nominal pressure: PN10-PN420
• Nominal diameter: DN15-DN200
• Main material: WCB, A105, CF8, F304, CF8M, F316, LCB, LC1, WCC, WC6, WC9,CF3, F304L, CF3M, F316L, 4A, 5A, inconel625, Alloy20, Monel, Incoloy, Hastelloy, C5, Ti
• Using temperature: -40℃~610℃
• Applicable media: water, steam, oil, etc.
• Connection method: flange, welding
• Transmission method: handle, worm gear, pneumatic, electric