Monoflow ball valve and system

Details Monoflow ball valve and system Monoflow ball valve and system

1980-03-24

1981-09-08

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

137523, 137536, 137539, F16K 1504

Patent

active

042879124

ABSTRACT:
A monoflow ball valve is disclosed that is particularly suited using plastic materials that resist metal-corrosive acids, as in a spray system using hydrofluoric acid and the like. The valve has a valve body with a passage section smaller than the external diameter of the ball and the ball is forced into the generally cylindrical passage section to become a highly effective fluid-tight seal. A spacer at the inlet forms with the ball a second fluid-tight seal and is adjustably movable to dislodge the ball from the passage section if required.

REFERENCES:
patent: 1279599 (1918-09-01), Slaughter
patent: 1999693 (1935-04-01), Hill
patent: 2884223 (1959-04-01), Cooksley
patent: 3077204 (1963-02-01), Bennett
patent: 3324673 (1967-06-01), Lindahl
patent: 3447564 (1969-06-01), North
patent: 3766940 (1973-10-01), Mason
patent: 3799132 (1974-03-01), MacGuire
patent: 3884447 (1975-05-01), Alexander

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