Valve for aggressive fluids

Details Valve for aggressive fluids Valve for aggressive fluids

1975-03-31

1977-06-07

Schwadron, Martin P.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

74 181, 251 58, 251138, 251229, 251235, F16K 3110

Patent

active

040278492

ABSTRACT:
A valve arrangement for aggressive fluids which includes plastic components with a closing member being mounted within the valve body for movement toward and away from a valve seat to control the flow of the fluid. A pivotally mounted two-armed lever is provided with one arm projecting through a movable seal and having at least a portion thereof accommodated within the closing member. The other arm of the lever is selectively acted upon by an actuating element so that the closing member is selectively displaced toward and away from the valve seat.

REFERENCES:
patent: 1301948 (1919-04-01), Kaplan et al.
patent: 2168774 (1939-08-01), Hurlburt
patent: 2310130 (1943-02-01), Thumim et al.
patent: 2334834 (1943-11-01), Newell
patent: 2449790 (1948-09-01), Sebald
patent: 2449794 (1948-09-01), Steele, Jr.
patent: 2511844 (1950-06-01), Grove
patent: 2969087 (1961-01-01), Raney
patent: 3563099 (1971-02-01), Rader
patent: 3727630 (1973-04-01), McInnis

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