Georg Fischer Piping Systems Ltd Valves - Plastic-Valves - Check-Valves - cone-Check-Valve-561-562 161561223

This is a silicone-free, springless check valve in PVC-U with solvent cement spigots, designed for vertical installation and rated for a minimum water column of 2 m. It has a flow-optimized return cone and double guidance for vibration-free operation at high flow velocities. The valve is compact, with an installation length matching ball valve type 546. For the DN25 size, the nominal bore is 25 mm, the pressure rating is 16 bar, the kv-value at Δp=1 bar is 380 l/min, and the weight with EPDM sealing is 0.260 kg. The valve is not compatible with type 360 in terms of Z-length, end connectors, or union nuts.