Georg Fischer Piping Systems Ltd Valves - Plastic-Valves - Check-Valves - cone-Check-Valve-561-562 167561055

The Progef Standard check valve type 561 is a springless, vertically installable check valve with socket fusion spigots, designed for polypropylene-homopolymer (PP-H) piping systems. It features a flow-optimized return cone and double guidance for vibration-free operation at high flow velocities. This part, designated by code 167 561 055, corresponds to DN40 size with a nominal pressure of 10 bar, an kv-value of 850 l/min, and an FKM sealing material weighing 0.350 kg. Its installation length is 170 mm, with end connectors and union nuts incompatible with type 360. The valve is rated for a minimum water column of 2 m and shares its compact installation length with ball valve type 546.