Piston Lift Check Valve Pressure Seal 'Y' Pattern - DIN | Valvosider Valvosider Lift Check Valve Pressure Seal 'Y' Pattern - DIN | Valvosider The Lift Check Valve Pressure Seal 'Y' Pattern by Valvosider is designed according to DIN standards and is available in various pressure classes and sizes. It features a pressure seal design suitable for high-pressure applications. The valve is available in the following configurations: - PN 100 for sizes DN 50 to DN 600, identified by Fig. No. P182PC. -... View