Product Name: Flange Backflow Preventer
Product Figure No.: Fig.1390-DF
Product Pressure: PN16
Product Size: DN50 ~ DN450
Product Standard: BS EN12266 / GB/T13927
Flange Connection Standard: EN1092-2
A hydraulic control combination device used for urban water supply and other water supply units, which strictly limits the pressure water in the pipeline to only flow in one direction when supplying water to general polluting units.
Prevent medium backflow or siphon backflow in pipelines under any working conditions to achieve the goal of avoiding backflow pollution.