Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1977-09-01
1980-01-08
Weakley, Harold W.
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
137859, F16K 3112
Patent
active
041823559
ABSTRACT:
A reflux valve comprising a body having a passage communicating between an inlet and an outlet, a movable valve seat and closure member therefor within the body wherein the said valve seat is movable in a substantially axial direction.
REFERENCES:
patent: 2462189 (1949-02-01), Hess
patent: 2917070 (1959-12-01), Langdon
patent: 3782410 (1974-01-01), Steuby
Briel Adriaan Z. A.
Charnock John
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