Manual relief gas vent

Details Manual relief gas vent Manual relief gas vent

1986-10-30

1987-08-25

Chambers, A. Michael

Fluid handling

Processes

Cleaning, repairing, or assembling

137312, 137559, 220DIG27, 251216, 251225, 73 40, F16L 5518

Patent

active

046885919

ABSTRACT:
A manually operated vent valve assembly for a bung hole in a drum lid. The low profile valve assembly is inserted into the bung hole and the lid sealed. The drum is vented by opening a valve stem in the assembly. The vented gas leaves through a gas outlet which is recessed in a reservoir within the valve assembly. By filling the reservoir with fluid, the venting gas can be observed as bubbles.

REFERENCES:
patent: 493806 (1893-03-01), Baum
patent: 783024 (1905-02-01), Cox, Jr.

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