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Cryogenic butterfly valves refer to butterfly valves that can be used in low temperature conditions. Butterfly valves with operating temperatures below -40°C are usually called low temperature butterfly valves, which are mainly used in chemical plants such as ethylene and liquefied natural gas. The output liquid cryogenic medium, such as ethylene, liquid oxygen, liquid hydrogen, liquefied natural gas, liquefied petroleum products, etc., is not only flammable and explosive, but also vaporizes when the temperature rises, and the volume expands hundreds of times when it is vaporized.
Size: 2”~12” (Class150LB~600LB)
Connection Ends: Flange, Wafer, Lug, Butt Weld
Design & Manufacture: API 609
Face to Face Standard: API 609
Ends: ASME B16.5, ASME B16.47, ASME B16.25
Test & Inspect: API 598/API 609
Range of Materials:
ASTM A350 LCB/LCC, ASTM A351 CF8/ CF8M, etc.
There are top-mounted structure and side-mounted structure, with flange, butt clamp, butt welding and lug connection.
Based on the flammable and explosive characteristics of low-temperature media such as LPG and LNG, low-temperature butterfly valves are designed with fire-proof and anti-static measures.
Mainly used to output liquid cryogenic media such as ethylene, liquid oxygen, liquid hydrogen, liquefied natural gas, liquefied petroleum products and other cryogenic media
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