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

1990-03-02

1992-04-28

Hepperle, Stephen M.

Fluid handling

With casing, support, protector or static constructional...

Static constructional installations

137597, 137883, 251 5, E03B 707

Patent

active

051078830

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: 2212733 (1940-08-01), Grigsby
patent: 2575240 (1948-09-01), Thompson
patent: 3111942 (1963-11-01), Miller
patent: 3447576 (1965-11-01), Gronlund
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patent: 3588034 (1971-06-01), Powell
patent: 3589602 (1970-05-01), Cushman
patent: 3599525 (1971-08-01), Klann
patent: 3677164 (1972-07-01), Traver
patent: 4108418 (1978-08-01), Ensign et al.
patent: 4111391 (1978-09-01), Pilolla
patent: 4683907 (1987-08-01), Brugnoli

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