Emergency drain device

Details Emergency drain device Emergency drain device

1982-04-23

1984-09-11

Bell, Jr., Houston S.

Fluent material handling, with receiver or receiver coacting mea

Processes

Gas or variation of gaseous condition in receiver

141 66, 141 98, 141326, 141302, 137320, 138 89, 220 85F, 220281, 220352, 222 91, 285158, B65B 3106

Patent

active

044704372

ABSTRACT:
A device for attachment to a tank in the event of an emergency requiring drainage of the tank. The device is adapted to be coupled to a strategically located port on the tank and upon coupling therewith automatically ejects a plug to establish an outflow circuit from the tank. The device includes a flow limiting feature which is calibrated to avoid the buildup of an excessive vacuum in the tank, provisions to introduce an inert replacement gas into the tank, and structure to limit the pressure of the replacement gas.

REFERENCES:
patent: 298686 (1884-05-01), Gardner

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