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| Top-entry or side-entry construction suitable for temperature down to -196° C. Static seats with double barrier: Lip seals and gaskets. Stem seal: Triple barrier with generous vapor space. Qualified for BS6364 or more demanding end-user specification. Lip seals work as self-energizing, primary seals on every static and dynamic leak path. All processes requiring flow isolation, seal and operate safely down to -253° C. Valbart test facilities qualify and validate design and performance of all cryogenic features. |
| http://www.fagong-valve.com/ |
