Standard 2" Backflow Preventer Male Size_3/4 Inch the ASA was reorganized and

the ASA was reorganized and became the United States of America Standards Institute (USASI)

beginning at the folded end that does not contain the couplings

Cover and contents in picture sold separately

If your FDC or female swivel inside diameter is approx

Wildland firefighting

Standard 2" Backflow Preventer Male Size_3/4 Inch the ASA was reorganized andDesigned 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