Dual Check Valves

Watts 63190 1/2" BBFP FNPT Backflow Preventer Dual Check Valve Series 9D is specially made for smaller supply lines and ideally suited for laboratory equipment, processing tanks, sterilizers, dairy equipment and similar applications. It is particularly...

Watts 63192 3/4" BBFP IPS Backflow Preventer Dual Check Valve Series 9D is specially made for smaller supply lines and ideally suited for laboratory equipment, processing tanks, sterilizers, dairy equipment and similar applications. It is particularly...