Valve particularly useful for flushing fluid lines

Details Valve particularly useful for flushing fluid lines Valve particularly useful for flushing fluid lines

1991-09-04

1992-02-25

Hepperle, Stephen M.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

137504, F16K 1730

Patent

active

050904442

ABSTRACT:
A valve particularly useful for flushing a fluid line includes a spring-biased cylinder movable with respect to a fixed piston to control the discharge of flushing fluid through a housing outlet. The piston is fixed to the housing by a stem having a passageway in alignment with the housing outlet to thereby vent the interior of the cylinder to the atmosphere, and also to permit an instrument to be manually inserted through the housing outlet, the piston stem, and the piston, to engage the cylinder and to move it to its open position in order to manually flush the fluid line.

REFERENCES:
patent: 1759798 (1930-05-01), Murphy et al.
patent: 2158715 (1939-05-01), Beekley et al.
patent: 2198487 (1940-04-01), Sisk
patent: 3545483 (1970-12-01), Valdenazzi
patent: 4092998 (1978-06-01), Taplin
patent: 4133345 (1979-01-01), Mitchell

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