Plastic mixing valves

Claim 1

A VALVE ASSEMBLY COMPRISING, A MIXING CHAMBER UNIT OF PLASITC MATERIAL HAVING A CENTRAL BODY WITH A MIXING, CHAMBER THERIN AND LATERAL PIPE ENDS INTEGRAL WITH THE CENTRAL BODY AND IN COMMUNICATION WITH THE MIXING CHAMBER, THE PIPE ENDS HAVING A FREE ENDS REMOTE FROM THE CENTRAL BODY, A COVER SECTION INTEGRAL WITH THE CENTRAL BODY AND EXTENDING LATERALLY IN OVERLYING SPACED RELATION TO THE PIPE ENDS, A VALVE UNIT OF PLASTIC MATERIAL AT EACH SIDE OF THE MIXING CHAMBER UNIT, EACH VALVE UNIT INCLUDING A BODY HAVING A VALVE SEAT THEREIN AND A VALVE MEMBER SEATABLE ON THE SEAT THE VALVE BODY HAVING A CENTRAL CHAMBER WITH AN INLET PIPE INTEGRAL WITH THE VALVE BODY AND OPENING TO THE CENTRAL CHAMBER IN THE VALVE BODY AND AN OUTLET PIPE INTEGRAL WITH THE VALVE BODY AND OPENING TO THE VALVE BODY CHAMBER, THE VALVE CONTROLLING FLUID FLOW FROM THE INLET PIPE TO THE OUTLET PIPE THROUGH THE VALVE BODY CHAMBER, A COVER SECTION INTEGRAL WITH THE VALVE BODY AND EXTENDING LATERALLY IN OVERLYING AND SPACED RELATION TO THE OUTLET PIPE, THE OUTLET PIPES AND THE PIPE ENDS OF THE MIXING CHAMBER UNIT HAVING INTERFITTING ENDS ADHESIVELY CONNECTED, AND THE COVER SECTIONS OF THE VALVE UNITS AND MIXING CHAMBER UNIT HAVING INTERFITTING ENDS ADHESIVELY CONNECTED.