Anti-cavitation valve assembly

Details Anti-cavitation valve assembly Anti-cavitation valve assembly

1983-11-04

1987-03-17

Scott, Samuel

Valves and valve actuation

With material guide or restrictor

251 35, 251121, F16K 4700

Patent

active

046501550

ABSTRACT:
The valve assembly for the control of flow of liquid from a source of liquid at high pressure to a place of use has at least one restrictive orifice adjacent a movable valve member and valve seat to provide pressure drops in series in the liquid each of which pressure drops is of a magnitude sufficient to maintain the liquid pressure above the vapor pressure of the liquid at the inlet of the valve assembly so that cavitation does not occur. The restrictive orifice varying in flow area automatically in direct proportion to the variable flow area between said movable valve member and the valve seat.

REFERENCES:
patent: Re25338 (1963-02-01), Olson
patent: 1777261 (1930-09-01), Grainger et al.
patent: 2897836 (1959-08-01), Peters et al.
patent: 2965129 (1960-12-01), Faust
patent: 3521852 (1970-07-01), Gillis
patent: 3880399 (1975-04-01), Luthe
patent: 3896834 (1975-07-01), Paul
patent: 4108210 (1978-08-01), Luthe et al.
patent: 4436111 (1984-03-01), Gold et al.

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