Control valve

Details Control valve Control valve

1977-04-01

1978-12-26

Rosenthal, Arnold

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

251185, 251209, 251134, F16K 3104, F16K 510

Patent

active

041311280

ABSTRACT:
A control valve particularly suitable for service in mechanical refrigeration systems has a spherical valve body permanently engaging an annular seal and is operated by turning the valve body about an axis perpendicular to the direction of fluid flow through the central opening in the valve seat. A circumferentially flaring notch in the outer circumference of the valve member by-passes the valve seat in the open angular position of the valve member and communicates only with the inlet or the outlet of the valve in the closed valve position.

REFERENCES:
patent: 1755057 (1930-04-01), Fagan et al.
patent: 3248080 (1966-04-01), Plasko
patent: 3308850 (1967-03-01), Gill
patent: 3536296 (1970-10-01), Burris
patent: 3653406 (1972-04-01), Racki
patent: 3722545 (1973-03-01), Furlani
patent: 4046350 (1977-09-01), Massey et al.

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