Fluid cylinder pressure check valve device

Details Fluid cylinder pressure check valve device Fluid cylinder pressure check valve device

1995-12-15

1998-06-02

Walton, George L.

Fluid handling

Processes

Cleaning, repairing, or assembling

137460, 137522, 251 83, F16K 1518

Patent

active

057586810

ABSTRACT:
The present invention relates to a fluid cylinder pressure check valve device, for use during the recharging of cylinders with fluid(s). In use, the invention is attached to a valve assembly of the cylinder so that when the valve assembly is opened, residual pressure within the cylinder may be determined to enable more efficient recharging. The invention also allows cylinders containing gas mixtures to be recharged to attain enhanced composition uniformity.

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