Cryogenic Extension Ball Valve

Product Date:

Size: 2”-12”

Class: 150LB-2500LB

3PCS Forged Body

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

PRODUCT RANGE

The cryogenic ball valves are always for cryogenic floating ball valves and cryogenic trunnion ball valves.If the ball valves the temperature higher than -50℃, the long neck structure is not designed. And if the ball valves with temperature lower than -50℃, the neck length can designed accord to standard requirements or can accord to user requirements.

Material Selection

Under low temperature the Common steel will show low temperature brittleness. So it is important for design and manufacturing to select suitable body materials.of the cryogenic ball valve. The valve materials should be subjected to low temperature impact test according to standard requirements. If the valves working temperature lower than -100℃, the body, bonnet and stem must be subjected to cryogenic treatment after rough machining. cryogenic treatment hare alloy spray welding/overlay welding should be subjected at ball and seat sealing face.to ensure the adaptability of materials under low temperature then the valves be grinding and assembly. For the pacing, gasket, bolt and nuts shall be made of materials suitable for low temperature service condition too.

Why you can choose us?

The cryogenic ball valve is always used for low temperature service condition, especially the dangerous media service conditions such as natural gas. And our company has good experience in designing, manufacturing, testing and inspecting for the cryogenic ball valve.

Application:

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