Fluid control apparatus

Valves and valve actuation – With correlated flow path – Pipe coupling or union

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Details

251152, 137884, F16K 5100

Patent

active

059674890

ABSTRACT:
A connecting member connected to an extension of a massflow controller has attached thereto a gatelike member to hold the connecting member from opposite sides thereof. The gatelike member has a pressing member for pressing the extension against the connecting member from immediately above a seal portion between the extension and the connecting member.

REFERENCES:
patent: 2640492 (1953-06-01), Sawicki
patent: 3424430 (1969-01-01), Hoelsch
patent: 3548651 (1970-12-01), Pashke
patent: 3981482 (1976-09-01), Callahan, Jr. et al.
patent: 4817670 (1989-04-01), Gogel
patent: 5279331 (1994-01-01), Fernandez
patent: 5318072 (1994-06-01), Goedecke
patent: 5333647 (1994-08-01), Fukano et al.
patent: 5558129 (1996-09-01), Mayeux

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