Swing Swing Check Valve Pressure Seal - DIN | Valvosider Valvosider Swing Check Valve Pressure Seal - DIN | Valvosider The Swing Check Valve Pressure Seal by Valvosider, designed according to DIN standards, is available in various pressure classes and sizes. It is suitable for high-pressure applications with the following specifications: - PN 100 for sizes DN 50 to DN 600 (Fig. No. P172) - PN 160 for sizes DN 50 to DN 600 (Fig. No. P173) - PN 250 for sizes DN 50 to DN... View