Low pressure relief valve assembly for high pressure boiler

Details Low pressure relief valve assembly for high pressure boiler Low pressure relief valve assembly for high pressure boiler

1984-04-11

1985-01-29

Favors, Edward G.

Liquid heaters and vaporizers

Safety devices

Fire extinguishers

122 1R, 122 4R, 122448R, 237 9R, F22B 3742

Patent

active

044958994

ABSTRACT:
Apparatus for providing for low pressure operation of a high pressure boiler including a low pressure relief valve mounted on the boiler and adapted to release steam from the boiler at a steam pressure lower than the pressure developed during high pressure operation of the boiler. An electrically operated control valve is provided for selectively connecting the low pressure relief valve to the boiler, and the valve is controlled for precluding connection of the low pressure relief valve to the boiler until the steam pressure in the boiler drops below the relief pressure of the low pressure relief valve.

REFERENCES:
patent: 3294069 (1966-12-01), Smith
patent: 3949936 (1976-04-01), Boyer et al.
patent: 4258668 (1981-03-01), Bekedani
patent: 4290389 (1981-09-01), Palchik
patent: 4421068 (1983-12-01), Aral

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