Safety valve or blowout preventer for use in a fluid transmissio

Details Safety valve or blowout preventer for use in a fluid transmissio Safety valve or blowout preventer for use in a fluid transmissio

1978-03-13

1980-05-13

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

F16K 1720

Patent

active

042023688

ABSTRACT:
Apparatus is provided for connection along a conduit for free flowing transmission of fluids in a first direction and for selective control of fluid flow in a second direction. The apparatus provides means whereby fluid flow in the second direction in excess of a predeterminable rate of the fluid flow permits a fixed volume displacement of fluid within the conduit without limitation upon the predeterminable rate of fluid flow. The apparatus also defines second means whereby fluid flow in the second direction and within the predeterminable rate of fluid flow permits an unrestricted volume displacement of the fluid through the conduit.

REFERENCES:
patent: 2093015 (1937-09-01), Madden
patent: 2710626 (1955-06-01), Burdick

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