What the sleeve actually seals againstA sleeve type plug valve has three parts in the sealing path: a metal plug with a through port, a moulded sleeve of PTFE or PFA that wraps the plug and carries its own matching port, and a metal body liner behind the sleeve. Nothing is injected and nothing is gr
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What the sleeve actually seals againstA sleeve type plug valve has three parts in the sealing path: a metal plug with a through port, a moulded sleeve of PTFE or PFA that wraps the plug and carries its own matching port, and a metal body liner behind the sleeve. Nothing is injected and nothing is gr
