Pressure relief device

Details Pressure relief device Pressure relief device

1983-04-01

1984-02-14

Walton, George L.

Fluid handling

With repair, tapping, assembly, or disassembly means

With holding means functioning only during transportation...

137541, 137553, F16K 1704, F16K 1502

Patent

active

044310234

ABSTRACT:
A pressure relief device for use on a liquid filled vessel, such as a power transformer having a coolant oil enclosed, which device includes a clamp arranged on the device so that the pressure relief function of the device is negated until the clamp is removed.

REFERENCES:
patent: 1774690 (1930-09-01), Willoughby
patent: 2592673 (1952-04-01), Folmsbee
patent: 2599622 (1952-06-01), Folmsbee
patent: 2643799 (1953-06-01), Countryman
patent: 2886054 (1959-05-01), Smith et al.
patent: 3008485 (1961-11-01), Johnson et al.
patent: 3035604 (1962-05-01), Portis
patent: 4074696 (1978-02-01), Romanowski

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