Cast Steel Trunnion Pipeline Ball Valve

ZHEJIANG PINXIN VALVE is one of the leading Cast steel trunnion Ball Valve manufacturers in China,we provide trunnion mounted type ball valves in a widely variety of cast materials covering carbon steel,alloy steel,stainless steel,duplex steel,Hastelloy,bronze,etc.

Specification:

Trunnion mounted Ball Valve is used to cut off or connect the media in various pipelines of Class150 to Class2500. The valves made of different materials are suitable for various media such as water, steam, oil, liquefied gas, natural gas,coal gas, nitric acid, oxidizer, urea and etc. The driving modes include manual operation, worm and worm gear transmission,pneumatic operation and electric operation. The connection ends can be flange or butt welding.

Cast Steel Trunnion mounted Ball Valves allow easy and smooth operation at high line pressure. Carefully aligned bearings assist low torque operation. The ball is fixed in position but free to turn. All Casted Trunnion Ball Valves are with reliable high quality castings and fire safe design certified according to BS 6755, API607 & API 6FA. Meet all applicable ASME standards.

Standards:

Design Features:

Emergency Sealant Injection Fitting: Prevents leakage from the stem.

Blow-out Proof Stem: Stem functions as the backseat to assure stem sealing at all pressures.

Emergency Sealant Injection Fitting: Prevents leakage from the seat.

Drain plug : Relieves the body cavity.

Double Sealing O-rings: Prevents leakage from stem area.

O-ring & Gasket Combination: Prevents leakage from body connection area.

Floating Spring: Loaded seats assure sealing, even at low pressures.

Metal-to-Metal Sealing: When soft seals are deteriorated by fire, seat float to shut off the line media.

Material List Of Cast Trunnion Ball Valve:

Explosion View Of Cast Trunnion Ball Valve:

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