Two-way valve closing at balanced pressure condition

Details Two-way valve closing at balanced pressure condition Two-way valve closing at balanced pressure condition

1977-07-21

1980-01-01

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

137854, 150 9, 220206, 229 625, F16K 17168

Patent

active

041811461

ABSTRACT:
A two way valve assembly for use in flexible containers having a pair of one-way fluid passages. Thus, the one-way passage provides for fluid flow from the container interior to the external atmosphere while the other one-way passage provides a path for fluid flow from the external atmosphere to the interior of the container. Apparatus is provided for selectively closing one or both one-way fluid flow passages.

REFERENCES:
patent: 3568710 (1971-03-01), Boyer
patent: 3949934 (1976-03-01), Goglio

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