Pressure relief safety device

Details Pressure relief safety device Pressure relief safety device

1975-04-08

1976-11-02

Schwadron, Martin P.

Fluid handling

Destructible or deformable element controlled

Destructible element

220 89A, F16K 1740

Patent

active

039890570

ABSTRACT:
A pressure relief safety device useful for operation in a low pressure range. The device utilizes a non-metallic relatively thin air-impermeable membrane extending across a housing, the latter of which is in communication with a system operable under pressure. When the pressure in the system increases beyond a predetermined threshold pressure level, the membrane will expand and contact a rupturable member which will rupture the membrane. In this way relief for the excess pressure conditions is obtained. The rupturable member is adjustably located with respect to the membrane to thereby adjust and vary the predetermined threshold pressure level.

REFERENCES:
patent: 1342667 (1920-06-01), Dougherty et al.
patent: 2320211 (1943-05-01), Bloom et al.

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