Patent ID: 6058961
Filing Date: 2000-05-09
Classification: F16K,Y10T

Abstract:
A heavy duty relief valve for monitoring fluid under high pressure, comprising:a valve body adapted to be connected with a fluid container and having a first bore forming an inlet port at the upstream end and having a second bore intersecting the first bore and forming an outlet port and a fluid passageway therebetween;a valve seat adjacent the inlet port;a piston valve having rod-like axial end portions longitudinally slideable in the first bore toward and away from the inlet port and having a slotted wall sleeve at one end portion normally closing the fluid passageway; and,a fluid pressure sensing means secured to said body opposite the inlet port and normally maintaining said piston valve in inlet port closed position for releasing said piston valve and opening the fluid passageway in response to fluid pressure above a predetermined value.