Pneumatic lift device for dual flow valve

Details Pneumatic lift device for dual flow valve Pneumatic lift device for dual flow valve

1995-01-09

1996-02-27

Nilson, Robert G.

Fluid handling

Systems

Sequentially progressive opening or closing of plural valves

92 136, 92 62, 1375992, 251 634, F16K 31122

Patent

active

054940788

ABSTRACT:
Positive adjustable flow is provided for a dual flow valve for paint dispensing or the like utilizing a sliding piston and a lost motion device in combination with an adjustable stop and wherein operating lift is provided by a single pressure source alternatively applied to a plurality of operating pistons.

REFERENCES:
patent: 3631888 (1972-01-01), Asperg
patent: 4274444 (1981-06-01), Ruyak
patent: 4928544 (1990-05-01), Markyvech
patent: 5301714 (1994-04-01), Johnson

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