Georg Fischer Piping Systems Ltd Valves - Plastic-Valves - Check-Valves - cone-Check-Valve-561-562 167561103

The PROGEF standard check valve type 561 is a spring-less, vertically installable check valve with reinforced NPT threaded sockets, made of PP-H, designed for water systems with a minimum sealing pressure of 2 m water column. This specific variant, identified by the kv-value code 167 561 103, corresponds to a 20 mm nominal bore (DN20), supporting a flow rate of 380 L/min at 1 bar pressure drop, with a Z-length of 111 mm and a total length of 99 mm. The valve unit weighs 0.170 kg and uses EPDM sealing. It is not compatible with type 360 in terms of Z-length, end connectors, or union nuts.