qilong valve certficate

Cryogenic Gate Valve

cryogenic gate valve

Product Range

Body material: low-temperature carbon steel, carbon steel

Nominal diameter: 1/2"~32"(DN15~800)

Pressure range: Class150~2500(PN10~420)

End connection: RF, RTJ, BW

Working temperature:-196℃~+120℃

Operation: handwheel, gear box, electric, pneumatic , hydraulic actuator, etc.

Main Features:

We currently can produce cryogenic gate valves for working temperature down to -196℃ which are widely used in LNG、LPG、air separation and other low temperature industry. Wuzhou in-house computer controlled test facility can certify valves up to32”.

Design Features

Design standard as per: BS6364、GB/T 24925

Extended bonnet

Low emission packing

Full stellite overlay seat sealing surface

Discharge holes at the upstream end can prevent body and bonnet cavity pressure rising abnormally 

Prevent stem instability structure