Piston valve

Details Piston valve Piston valve

1997-05-22

1998-08-25

Fox, John

Valves and valve actuation

Reciprocating valve

Piston

137560, F16K 324

Patent

active

057975906

ABSTRACT:
A piston valve for liquids provides potential isolation between an inlet-side and an outlet-side liquid. The piston valve is suitable, in particular, for controlling water-based paints in painting appliances which operate by electrostatic charging. At least one control electrode which is at the electric potential of the liquid present at the outlet of the valve is provided in order to improve the service life of the valve.

REFERENCES:
patent: 3955796 (1976-05-01), Grove
patent: 5201493 (1993-04-01), Kim

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