Shut-off valve

Details Shut-off valve Shut-off valve

1984-11-26

1986-09-09

Rosenthal, Arnold

Valves and valve actuation

With material guide or restrictor

Movable or resilient guide or restrictor

251123, 251333, F16K 4704, F16K 138

Patent

active

046104240

ABSTRACT:
A shut-off valve has a sealing cone which in a closed position of the valve abuts against a conical sealing seat and is formed as a part of a cylindrical throttling piston, a sealing surface of the sealing seat cooperates at its one end with a cylindrical receiving opening for the throttling piston, and the outer diameter of the throttling piston is selected with respect to the inner diameter of the receiving opening so that a throttling gap is formed between the receiving opening and the the throttling piston.

REFERENCES:
patent: 1619278 (1927-03-01), Travis
patent: 2091042 (1937-08-01), Hedges
patent: 3180360 (1965-04-01), Pavlin
patent: 3703273 (1972-11-01), Illing
Instrum. & Exp. Tech. (U.S.A.), vol. 16, No. 4, p. 2, (Jul.-Aug. 1973), "Locking Valve", By Plotnikov and Kurshin.

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