Pilot operated control valve

Details Pilot operated control valve Pilot operated control valve

1989-04-13

1990-01-30

Michalsky, Gerald A.

Fluid handling

Convertible

Reversible check

137203, 137884, 251 3002, F16K 3142, F16K 1300

Patent

active

048966924

ABSTRACT:
A pilot operated control valve particularly adapted for automatic periodic operation to bleed condensate from compressed air lines or periodically supply lubricant to desired locations in various machines may be actuated electrically by sensors, timers, or manually operated switches. The valve is normally maintained in closed position by the pressure of the compressed air in the line to which it is connected or it may be operated by a separate compressed air, gas or liquid source.

REFERENCES:
patent: 2925984 (1960-02-01), Kowalsky
patent: 2986368 (1961-05-01), Moore
patent: 4465100 (1984-08-01), Neff
patent: 4568026 (1986-02-01), Baun
patent: 4733696 (1988-03-01), Baun
patent: 4733697 (1988-03-01), Baun

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