Flow control valve

Details Flow control valve Flow control valve

1988-05-19

1989-05-02

Nilson, Robert G.

Fluid handling

Convertible

Units interchangeable between alternate locations

13751625, 1375195, 239571, F16K 1724

Patent

active

048258970

ABSTRACT:
A fluid flow control device comprising a cylindrical housing adapted to be sealably positioned in a fluid flow system and having a passageway therethrough for the flow of fluid under pressure. The housing defines fluid entrance and exit ports with each port defining a spherical valve seat in the housing. A weighted spherical ball is positioned in the housing to float in the housing during normal fluid flow therethrough but seats in said spherical seats during adnominal fluid conditions in the housing.

REFERENCES:
patent: 988575 (1911-04-01), Joyce
patent: 1611331 (1926-12-01), Braai
patent: 3011517 (1961-12-01), Sanford
patent: 3055391 (1962-09-01), Shuk
patent: 3367362 (1968-02-01), Hoffman
patent: 3450206 (1969-06-01), Watkins
patent: 3474861 (1969-10-01), Watkins
patent: 3787149 (1974-01-01), Dane
patent: 4171775 (1979-10-01), Unruh

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