Full Welded Ball Valve The seat of full welded ball valve is made of carbonized Teflon seal ring and spring. It has strong adaptability for changes in pressure and temperature. And it does not occur any slippage problem within specified pressure and temperature range. Specification: Size:6~40 (Full Bore), 3~36 (Reduce Bore) Pressure Rating: Class150~1500LB Main Materials: A105, LF2, F304, F316, F304L, F316L, etc. Design and Manufacture: API 6D, API608. Face-to-Face:ASME B16.10, API 6D, JIS B2002. Anti-static: API 6D and ISO 17292. Ends Connection: Flange, Butt Welding Fire Proof: API 607 Inspection & Testing: API 598, API 6D Operator: Manual, Gear, Electric, Pneumatic. Feature: Fully welded body Metal or soft seated Anti blow out stem Self lubricated bearing
