Pressure regulator

Details Pressure regulator Pressure regulator

1979-01-31

1981-01-20

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

137526, 137528, 137584, F16K 1506

Patent

active

042456681

ABSTRACT:
A pressure or vacuum relieving device intended as a large capacity inbreathing or outbreathing apparatus for equipment and/or piping, operating under low to moderate gas pressure or vacuum, e.g. 1 to 15 psig pressure or 0-5 psi vacuum. The principal feature is that a required set pressure is provided hydrostatically by means of a liquid leg acting an a bellows expansion joint. The device is suitable for use in Pulp Mill Digester Blow Steam Systems and similar applications.

REFERENCES:
patent: 754468 (1904-03-01), Lombard
patent: 3714953 (1973-02-01), Solvang

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