Patent ID: 7322372
Filing Date: 2008-01-29
Classification: A62C,F16K,G05D,Y10T

Abstract:
1. A pressure reducing valve for coupling to a pressurized water supply line, said valve comprising: a valve body with an inlet for coupling to the pressurized water supply line, an outlet, and a passage extending between said inlet and said outlet, said valve body having a valve seat in said passage at or adjacent said inlet; a valve stem extending into said passage, said valve stem having a sealing member and having first and second valve stem portions coupled to said sealing member; an automatic pressure reducing system for urging said scaling member toward said valve seat for throttling said valve to thereby reduce the pressure at said outlet, wherein said automatic pressure reducing system comprises a piston mounted to said first valve stem portion; and a manual system coupled to said second valve stem portion for urging said sealing member toward said valve seat, said manual system being decoupled from said automatic pressure reducing system such that said second valve stem portion and said sealing member are adapted to move with respect to said first valve stem portion and said piston.