Georg Fischer Piping Systems Ltd Valves - Plastic-Valves - Check-Valves - cone-Check-Valve-561-562 161561256

Check valve type 561, designed for vertical installation with solvent cement sockets per ASTM, features a flow-optimized return cone and double guidance for vibration-free operation at high flow velocities. It seals at a minimum water column of 2 m, is silicone-free and paint-compatible, and has an installation length matching ball valve type 546. The part number 161561256 corresponds to the DN40 size (1.5 inch), with a kv-value of 1080 l/min at 1 bar pressure drop, and a weight of 0.760 kg when equipped with FKM sealing. Its overall length is 164 mm, with a Z-length of 94 mm and end connectors of 97 mm.