API Ball Valve

Product Date:

Size: 1/2”-56”

Class: 150LB-2500LB

3PCS Forged Body

Soft Seated/ Metal Seated

Trunnion DBB Structure

Anti-Static device

Blow-out proof Stem

Anti-Fire Structure

Design standard:

Design: ASME B16.34/API 6D/BS6364

Face to Face: ASME B16.10

Flange: ASME B16.5

BW END: ASME B16.25

Test : API598/BS6364

Anti-Fire : API 607/API 6FA

Acid environment: NACE MR 0175

Advantage:

1. Due to temperature changes and the ball valve pressure increases When the stagnant medium in the center cavity of the API6D pipeline, to achieve the effect of automatic pressure relief the medium pressure pushes the valve seat away from the sphere and after pressure relief the valve seat automatically resets

2. In the event of a fire or if the valve seat sealing ring is burnt or softened due to abnormal heating, the valve operation is still reliable. At the same time, the valve seat and the ball form a metal-to-metal contact to achieve a temporary sealing effect and prevent further expansion of the fire. Comply with APIFA regulations.

3. Unscrew the drain device to check whether the valve seat is leaking, and also to discharge the residual material in the middle cavity to reduce the pollution of the valve by the medium. Under working conditions, when the valve is fully open or fully closed, the stem stuffing box can be replaced.

4. In addition to the general sealing of the valve seat, the specially set auxiliary sealing structure can play the role of emergency rescue when leakage occurs due to damage to the sealing ring.

5. The valve stem is sealed with PTFE packing and O-ring, which is especially suitable for gaseous media. The moving part of the valve stem adopts high-quality SF self-lubricating bearings to make the friction system smaller and reduce the operating torque.

Application:

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