1683: CR-Brass Combined Free-flow and Backflow-preventer Valve

acc. to DIN EN 13959, Material acc. to DIN 50930-6 rather currently valid UBA positive list, female-thread, Upper-part non-rising, with Drain valve, DIN-DVGW certified (½" - 2" / type 1600), noise-class approval class 1, Nominal pressure PN 16, EPDM sealign with KTW / W270 approval, max. operating temperature 90°C as well as pre-assembled nipples Viega Profipress