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Trunnion Mounted Ball Valve -> Metal Seated Ball Valve

Metal-seated ball valves are introduced when the temperature and pressure rating of fluids override the limit of traditional PTFE-seated ball valves. Metal-seated ball valves combine the advantage of both gate valves and PTFE-seated ball valves, and are recommanded in some extreme conditions.


The Manufacturing and maintenance of metal-seated ball valves are challenging, because of the difficulty of matching arc sealing faces of seats and balls. Both seats and balls are normally hardened to avoiding the scratches in use.





Features of Metal Seated Ball Valves:
Floating Ball or Trunnion Mounted Ball
Metal-to-metal Seated
Split Body, End Entry
2-Piece or 3-piece Body
Full Port for Pigging Operation
Fire Safe to API 607
Antistatic Design
Anti-blowout Stem
Gear Operation or Actuator Available





Applicable Standards of Metal Seated Ball Valves:


a) Design & Manufacture: API 6D, BS 5351, API 607
b) Face to Face: API B16.10, API 6D, EN 558, DIN 3202
c) End Connection: ASME B16.5, ASME B16.25, EN 1092, JIS B2220
d) Test and Inspection: API 6D, EN 12266, API 598



Sizes: 2" - 24" ,DN 50 - DN 600
Pressure Rating: Class150 - Class 2500 or PN 16 - PN 420
Material of valve body: WCB, LCB, CF3, CF8M, CF3M, A105, LF2, F304, F304L, F316, F316L etc.
Operated by: Gear, Pneumatic, hydraulic and Electric actuator





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