Membrane valve

Details Membrane valve Membrane valve

1991-05-17

1992-01-28

Chambers, A. Michael

Valves and valve actuation

Hermetic flexible wall seal for actuator

Diaphragm

251186, F16K 3100

Patent

active

050837508

ABSTRACT:
A membrane valve having a metal membrane bent smoothly axially at its inner and outer peripheries and welded steplessly, smoothly and flush to an outer ring clamped between two housing parts and a valve member which can be a cone in metal-to-metal engagement with a valve seat, thereby maintaining aseptic conditions without locations in which bacteria can nest.

REFERENCES:
patent: 978288 (1910-12-01), Harkom
patent: 3211419 (1965-10-01), Klinger-Lohr

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