Standard 2" Backflow Preventer Male Threads_NPSH years of trouble free use

years of trouble free use and adequate reinforcement

ASA Forged Flanges have raised shoulder with no raised face

This hose is constructed of an EPDM synthetic rubber tube and a double layer of 100% polyester woven jackets

The outside diameter of a 1

Approx hole size 1" x 1/4"

Standard 2" Backflow Preventer Male Threads_NPSH years of trouble free useDesigned to give maximum protection against backflow caused by back pressure or back siphonage from a cross connection wherein a contaminant hazard exists (i. e. a health hazard), or a pollutant hazard exists (i. e. a non hazard). Consists of two spring loaded poppet type valves and a mechanically independent, hydraulically dependent pressure differential relief valve. Three top mounted test cocks ensure easy access during repair and maintenance when