Vapor flow control valve

Details Vapor flow control valve Vapor flow control valve

1978-10-25

1981-05-26

Cohan, Alan

Fluid handling

Destructible or deformable element controlled

Heat destructible or fusible

137517, 137498, 137460, 251 82, F10K 1728

Patent

active

042692156

ABSTRACT:
A vapor pressure equalizing valve disposed in a vapor return conduit between a storage tank and a liquid receiving tank to provide the same volume of flow but at a higher rate and greater fluidity than that of liquid flow volume in a preferably larger liquid conduit, and providing an excess flow shut off response that can be triggered manually or by the danger of a hose rupture or in case of fire or a break in the vapor return conduit, to protect either tank, or with two valves protect both tanks, with great quickness of action. The valve serves as a manual vapor flow shut off valve which may be latched open; and is unlatched to close by a local or remote control or fire, but while latched open provides an excess flow arresting action.

REFERENCES:
patent: 1028681 (1912-06-01), Creighton et al.
patent: 3631893 (1972-01-01), Seaman et al.
patent: 4099551 (1978-07-01), Billington et al.

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