Apollo DCDA-4ANLF-BFV-CFM 8" Double Check Detector Assembly

Apollo DCDA4ANLF N patern assembly is made to prevent contamination of the potable water supply due to back-siphonage or backpressure. The assembly is made for domestic stainless steel body for 2 1/2"-8" and fusion bonded xpoxy ductile iron for 10" & 12". The assembly has a cubic feet per minute metered bypass.