Product features:
- Various valve seat structures and various ball hardening treatment methods, suitable for different temperatures and media.
- Anti-blowout valve stem;
- Emergency valve stem seal;
- Double block and bleed (DBB);
- Valve body discharge;
- Double piston effect valve seat (DB);
- Low temperature, hydrogen, oxygen, vacuum occasion configuration;
- Buried requirements;
- Extended valve stem;
- 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
