High pressure globe and check valve

Details High pressure globe and check valve High pressure globe and check valve

1980-09-29

1982-11-02

Walton, George L.

Valves and valve actuation

Lost motion between actuator and valve

Check valve with external opening and closing means

13753317, 251113, 251332, 251363, F16K 1518

Patent

active

043569960

ABSTRACT:
A high pressure globe and check valve mechanism according to the present invention incorporates a valve body structure having a globe valve type seat removably positioned therein. A globe type valve element is adapted for seating engagement with respect to the removable seat and is positionable within the valve body by means of a valve actuating stem. A connection element establishes a lost-motion connection between the valve element and valve stem and thus allows relative movement between the valve element and valve stem during check valve type operation. The valve stem is also positionable within the valve body structure so as to maintain the valve element in positive seated engagement with respect to the valve seat.

REFERENCES:
patent: 345197 (1886-07-01), Wade
patent: 589142 (1897-08-01), Roseberry
patent: 963836 (1910-07-01), Varlie
patent: 1001111 (1911-08-01), Wood
patent: 1369444 (1921-02-01), Koplin
patent: 1796252 (1931-03-01), Greve
patent: 1910994 (1933-05-01), Joyce
patent: 2091874 (1937-08-01), Neuhaus
patent: 2521314 (1950-09-01), Therolf
patent: 3053500 (1962-09-01), Atkinson

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