Double valve for emptying a cylinder

Details Double valve for emptying a cylinder Double valve for emptying a cylinder

1988-09-19

1989-07-25

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Gas pressure storage over or displacement of liquid

2224007, 137557, F16K 1110

Patent

active

048503886

ABSTRACT:
A double valve for dispensing from or emptying a cylinder independently of internal cylinder pressure includes a first and second spring loaded toggle valve, an input port, an output port, a dip tube, and first and second monitoring ports to facilitate monitoring of pressure within and without the cylinder. A source of pressurized inert gas is connected to the input port, volatilizing the contents of the cylinder and expelling them through the output port. Communication between the input port and output port is controlled by the first and second spring loaded toggle valves.

REFERENCES:
patent: 532872 (1894-07-01), Stahl
patent: 3026006 (1962-03-01), Frankfurt
patent: 3925033 (1975-12-01), Mayo
Superior Valve Company blueprint, Drawing No. 1042BX8.

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