Pressure regulator and safety relief valve

Details Pressure regulator and safety relief valve Pressure regulator and safety relief valve

1976-09-20

1977-12-27

Weakley, Harold W.

Fluid handling

Destructible or deformable element controlled

Heat destructible or fusible

13750511, 13750542, F16K 1304

Patent

active

040648907

ABSTRACT:
A fluid pressure regulator for delivering a gas, e.g. oxygen, from a high-pressure source, e.g. storage cylinder, to an apparatus, e.g. welding torch, at a lower adjustably controllable pressure. The regulator is characterized in that sources of combustible materials normally used for valve seating are minimized and destruction of the seat does not open the regulator to full source pressure. An improved pressure relief valve vents the regulator to ambient atmosphere in the event of either large pressure surges or elevated temperatures inside of the regulator, regardless of pressure.

REFERENCES:
patent: 2111430 (1938-03-01), Lamar
patent: 2137882 (1938-11-01), Nelson
patent: 2271786 (1942-02-01), Watkins
patent: 2589072 (1952-03-01), Garretson
patent: 2867234 (1959-01-01), Billington
patent: 2908158 (1959-10-01), Jacobsson
patent: 2918081 (1959-12-01), Laver
patent: 3384101 (1968-05-01), Melzer
patent: 3693644 (1972-09-01), Dilorenzo

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