SUPASS Cast iron backflow preventer
This is a robust Cast Iron Backflow Preventer, designed to protect potable water systems from contamination due to backpressure or backsiphonage. It features a ductile iron (QT450) body and bonnet, with stainless steel strainers to ensure clean operation. The design incorporates two independent check valves, which are essential for high-hazard applications, and it is built to provide reliable, long-term performance.