Valve unit for controlling the delivery pressure of a gas

Details Valve unit for controlling the delivery pressure of a gas Valve unit for controlling the delivery pressure of a gas

1997-01-23

1999-12-21

Ferensic, Denise L.

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

137488, F16K 3112

Patent

active

060035447

ABSTRACT:
A valve unit comprises a single electromagnetic actuator for controlling both an ON-OFF valve for cutting off the gas and a modulation valve; the latter is subject to independent resilient loads for regulating the minimum pressure delivered and for regulating the pressure up to the maximum pressure at the modulation stage.

REFERENCES:
patent: 3351085 (1967-11-01), Allingham
patent: 4087073 (1978-05-01), Rungber et al.
patent: 4406400 (1983-09-01), Berkhof
patent: 4785846 (1988-11-01), Kragten
patent: 5345963 (1994-09-01), Dietiker

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