Automatic anti-siphon valve

Details Automatic anti-siphon valve Automatic anti-siphon valve

1972-07-05

1976-04-20

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

61 12, F16K 3122, E02B 1300

Patent

active

039511634

ABSTRACT:
Each valve of the present invention is comprised of a hollow valve body, an inlet connectable to a source of pressurized water, a first outlet disposed at the top of the valve body for emptying into an irrigation basin, a second outlet for connection to the inlet of a second valve; a float activated valve gate loosely guided within the hollow valve body, which gate is capable of sealing and holding closed the first outlet against liquid flow as long as water pressure is being applied to its inlet. In the open position of said first outlet the gate is capable of blocking water flow to the second outlet to prevent water flow to said second valve.

REFERENCES:
patent: 2560104 (1951-07-01), Guyton
patent: 2684077 (1954-07-01), Shaffer
patent: 2896904 (1959-07-01), Northup

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