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J-VALVES manufactures F321 forged steel high temperature ball valve Class 600 6 inch with heat sink cooling structure for power plant, chemical, heat transfer oil high temp service. Factory direct supply since 2009, custom high temperature high pressure ball valves, API 6D certified, rich industrial project cases.

In LNG systems, a valve must do more than open and close. It must perform reliably in extreme low-temperature conditions while keeping tight sealing and safe operation.A standard ball valve may work well in normal industrial service, but when the temperature drops to -196°C, common problems become m

Custom high temperature high pressure ball valve solutions for steam, hot oil, chemical, and high-pressure pipelines. Improve sealing performance, safety, and service life with tailored materials, seats, and actuation options.

Discover the J-VALVES DN50 PN16 three-piece trunnion ball valve with DBB function. Learn how double block and bleed improves safety, sealing, and maintenance efficiency.

I. Standard Overview(I) BS 6364BS 6364 is a design standard for cryogenic valves formulated by the British Standards Institution (BSI). It is widely used in Europe and many countries and regions around the world. This standard covers multiple aspects such as the definition, design, material selectio