Multiple backup O-rings in the Hoke HQC quick couplers from Circor Instrumentation ensure leak-tight sealing in vacuum and pressurised systems, with additional robust features designed to provide high reliability, including positive valve stops that prevent flow checking in the body.
PTFE-bonded stainless locking ‚dogs‘ give a firm grip of the assembly body and locking mechanisms assure smooth sleeve alignment. Hoke’s Gyrolok nut and ferrule system provides leak-tight end connections, while guides align valves exactly to the coupling’s valve seat to prevent the chance of leakage in a disconnected mode.
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