Heat exchanger pressure shutoff valve

Details Heat exchanger pressure shutoff valve Heat exchanger pressure shutoff valve

1996-01-18

1998-01-13

Rivell, John

Fluid handling

Destructible or deformable element controlled

Destructible element

13750526, F16K 1740

Patent

active

057068488

ABSTRACT:
An excessive fluid pressure safety valve for a fluid processing heat exchanger transferring thermal energy to fluids in the heat exchanger by piping extending through the heat exchanger is formed by a valve, normally maintained open by a pressure responsive collapsible pin, interposed in the thermal energy conductor upstream from the heat exchanger. Fluid pressure above a predetermined value in a tube connecting the heat exchanger with the valve axially moves a piston in the valve toward and collapses the pin to close the valve.

REFERENCES:
patent: 553851 (1896-02-01), Hardie
patent: 1825637 (1931-09-01), Ricker
patent: 2351047 (1944-06-01), Hughes
patent: 4144973 (1979-03-01), Green et al.
patent: 4905723 (1990-03-01), Pritchard et al.
patent: 4907617 (1990-03-01), Whalen
patent: 4915127 (1990-04-01), Werley
patent: 5103653 (1992-04-01), McGushion et al.

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