Rotatable valve with anti-cavitation structure

Details Rotatable valve with anti-cavitation structure Rotatable valve with anti-cavitation structure

1986-08-29

1988-04-26

Schwadron, Martin P.

Fluid handling

Systems

Dividing into parallel flow paths with recombining

F17D 120

Patent

active

047397942

ABSTRACT:
An anti-cavitation arrangement for a rotary valve including a conduit by-passing the valve passage and connecting the upstream end to the downstream end of the valve passage. A normally closed pressure controlled or manual valve is disposed in the conduit and is open upon sensing a vacuum on the downstream end of the valve or by manual means so that process fluid is free to flow into the vacuum and thereby prevent cavitation.

REFERENCES:
patent: 1464614 (1923-08-01), Nacey et al.
patent: 2271535 (1942-02-01), Barker
patent: 3695290 (1972-10-01), Evans
patent: 4384593 (1983-05-01), Keller

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