Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1986-09-08
1988-03-29
Cohan, Alan
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
251147, F16K 3112
Patent
active
047336897
ABSTRACT:
A valve for use with irrigation systems. The valve is fluid pressure actuated and includes a two part movable upper valve body portion which seals about the mouth of a pipe. A pedestal is threadably secured to the pipe and guides the movable valve body. The valve body is biased against the pipe by a spring connected to the pedestal.
REFERENCES:
patent: 2712428 (1955-07-01), Forwald
patent: 2828765 (1958-04-01), Hilkmeier
patent: 2896661 (1959-07-01), Becker
patent: 4442861 (1984-04-01), Hahs
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