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Ball valves for Cryogenic service (lng)
Cryogenic Low Temperature Ball Valves
What is LNG?
Liquefied natural gas (LNG) is natural gas that has been cooled to a liquid state (liquefied), at about -260° Fahrenheit, for shipping and storage. The volume of natural gas in its liquid state is about 600 times smaller than its volume in its gaseous state in a natural gas pipeline. This liquefaction process, developed in the 19th century, makes it possible to transport natural gas to places natural gas pipelines do not reach and to use natural gas as a transportation fuel.
Cryo Ball Vales Specification
Typical Cryogenic Ball Valve Specification:
- Stainless Steel Body. A182-F316ss for Trunnions / CF8M for Floaters
- Stainless 316ss Ball, 316ss Seats and XM-19 Stem
- Kel-F Seats
- Graphite/Teflon Seals
- Extended Stem
Standards:
- Api 6D / Api 608
- Fire Safe API 607
- ASME B16.34
- NACE
- Fugitive Emissions per Api 641
- Extended Stem per MSS-134-2012 Cold Box
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