Product features:
- Fully welded structure, can be equipped with sleeves, buried operation elevation, etc. according to customer needs;
- A variety of valve seat structures, a variety of ball hardening treatment methods, suitable for different temperatures and media;
- Double block and double discharge (DBB) or double piston effect valve seat (DIB) can be designed according to customer needs;
- This series of valves have passed the German Rhine TUV certification according to the fire test of API 607 and API 6FA;
- Anti-blowout valve stem, double valve stem seal;
- Valve stem and valve seat grease injection seal;
- Buried requirements;
- Product standards: API 6D, GB/T 19672
- Nominal pressure: CLASS 150~CLASS 600 (PN16~PN100)
- Nominal size: DN50~DN1500
- Operating temperature: -46~200℃
- Applicable working conditions: water, steam, flammable and explosive gas and liquid, etc.
- Main material: WCB, A105, LCB, LF2, LCC, CF8, F304, CF8M, F316, CF3, F304L, CF3M, F316L, 4A, 5A
- Connection method: flange, welding
- Transmission method: worm gear, pneumatic, electric, electro-hydraulic linkage, gas-hydraulic linkage, etc.