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 pressure classes PN 100, PN 160, PN 250, PN 320, and PN 420, with size ranges from DN 50 to DN 600... View