Patent ID: 6488049
Filing Date: 2002-12-03
Classification: F16K,Y10T

Abstract:
A high volume adjustable pressure valve comprising:a ring base having a reinforcement ring portion, a central hub, and a first circular flange around a periphery of the said reinforcement ring portion, said hub having an axially extending aperture defined therein and a plurality of struts radially connecting said hub to said ring portion; a cylindrical valve body with an aparture, said valve body having a seat base including a second flange and adapted for inter-fitting said reinforcement ring portion of said ring base; a seal positioned between said first circular flange and said hub of said base ring and said valve body, said seal comprising a first o-ring disposed adjacent to said hub in position to be contacted by an inner portion of said second flange and a second o-ring disposed between said first circular flange and said second flange, said second O-ring adapted for being captured in a groove defined in said base ring and placed in position for being contacted by an outer edge of said first flange; a cap having an aperture defined therein and including an external lip; a compression spring seated at one end on said second flange and at its opposite end on said cap at said lip and an adjustment bolt inserted in order through said apertures of said ring base, said valve body and said cap, respectively.