Sprinkler valve

Details Sprinkler valve Sprinkler valve

1991-09-18

1993-03-23

Schwadron, Martin P.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 34, F16K 3102, F16K 31126

Patent

active

051957183

ABSTRACT:
A sprinkler valve suitable for flows from about one (1) to two (2) gallons per hour to thirty (30) to forty (40) gallons per minute. A double diaphragm utilizes a principle of differential areas to create force for any non-zero pressure through the valve. This feature, in conjunction with momentary fluid flow in the solenoid circuit, is responsible for complete regulation of the flow characteristics of the valve. The requirement for large shut-off springs and flow control adjustment screws has been eliminated.

REFERENCES:
patent: 833307 (1906-10-01), Dake
patent: 3090592 (1963-05-01), Fleer
patent: 4108419 (1978-08-01), Sturman et al.
patent: 4640093 (1987-02-01), Eastman
patent: 4981280 (1991-01-01), Brandenberg
patent: 5011081 (1991-04-01), Bentley

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