Product features:

1. Fully welded structure, can be equipped with sleeves, buried operation elevation, etc. according to customer needs;
2. A variety of valve seat structures, a variety of ball hardening treatment methods, suitable for different temperatures and media;
3. Double block and double discharge (DBB) or double piston effect valve seat (DIB) can be designed according to customer needs;
4. This series of valves have passed the German Rhine TUV certification according to the fire test of API 607  and API 6FA;
5. Anti-blowout valve stem, double valve stem seal;
6. Valve stem and valve seat grease injection seal;
7. 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.