Pinch valve control system for water line isolation and method

Details Pinch valve control system for water line isolation and method Pinch valve control system for water line isolation and method

1991-10-25

1992-07-21

Hepperle, Stephen M.

Fluid handling

Processes

137357, 137883, 251 5, E03B 104

Patent

active

051314231

ABSTRACT:
A pinch valve control system for regulating the flow of water through the water distribution network of a building. Remote-controlled, fluid-operated pinch valves are spaced at various locations throughout the water distribution network of the building and may be selectively operated from a remote station to stop the flow of water in any pipe throughout the building's water distribution network. The use of pinch valves permits water flow to be increased or decreased gradually and reduces or eliminates water hammer. The pinch valve is operated by compressed fluid which enters the sleeve around the pinch valve to stop the flow of water in the pipe. To resume the water flow, the fluid in the pinch valve is released.

REFERENCES:
patent: 3190310 (1965-06-01), Honsinger
patent: 3480040 (1969-11-01), Erickson
patent: 3768771 (1973-10-01), Dicken
patent: 3936028 (1976-02-01), Norton et al.
patent: 4635897 (1987-01-01), Gallant
patent: 4834143 (1989-05-01), Bayat
patent: 4884595 (1989-12-01), Grove

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