Kessel backwater double lock Staufix 73053 DN 50, with odor trap and inlet funnel

Kessel non-return valve KE73053 Staufix siphon DN 50 made of plastic Kessel double non-return valve Staufix siphon DN 50 made of plastic, with two automatically closing Klappen , one of them as a manually lockable emergency seal. With wall mounting, pipe odor trap and inlet funnel for drip water connection. Drain DN 50 horizontal for connection to HT Pipe according to DIN 19560. Backwater double lock: Staufix siphon Standard: DIN EN 13564 Type 5 Drain fitting: white Nominal diameter drain: DN 50 (DA 50 mm) Installation type: for dripping water