Patent ID: 6276389
Filing Date: 2001-08-21
Classification: F16K,Y10T

Abstract:
A pressure responsive relief valve for monitoring fluid pressure in a toxic material system, comprising:a valve body having a lateral bore and having a central inline bore forming a fluid passageway and adapted to be interposed in a fluid line;a transverse partition dividing the fluid passageway and having a bore axially aligned with the lateral body bore;stem and stop means in the lateral bore for normally closing the partition bore;axially bored bonnet means closing the lateral body bore and slidably supporting the stem and stop means and having a counterbore opposite the partition bore forming a toxic fluid leak containing compartment surrounding the stop means; and,axially collapsible pin means for normally maintaining said stem and stop means in fluid passageway closed position and opening the fluid passageway in response to fluid pressure above a predetermined value.