Pressure controlled hydrant valve coupler

Details Pressure controlled hydrant valve coupler Pressure controlled hydrant valve coupler

1974-07-15

1976-07-27

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

137461, 137487, 137614, F16K 3112, F16K 1110

Patent

active

039714055

ABSTRACT:
A pressure controlled hydrant valve coupler characterized in that the main pilot operated pressure control valve and the excess flow servo valve are embodied in the coupler housing. The coupler herein is further characterized in that the pilot operated pressure control valve has associated therewith a fast closing valve and a surge control valve.

REFERENCES:
patent: 3298390 (1967-01-01), de Graaf
patent: 3351094 (1967-11-01), Elbogen et al.
Advertisement, p. 52, Aviation Week, Apr. 27, 1970, Apco.
Specification of the above located in article: "Forward Area Refueling Systems for Army Aircraft," Nov. 5, 1969 by N. A. Caspero.

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