Piston seal PSQ 125x104x8,1

PSQ 125×104×8,1 mm piston seal, code: 2EPSQ172 (manufacturer designation: PSQ 1250 1040 081 DN), manufactured by Artic Seals (Italy). This is a double-acting seal used in hydraulic cylinders. The PSQ profile consists of a polyurethane sealing ring and an NBR O-ring, which presses the sealing element against the groove surface and ensures tightness in both directions of operation. Design features: double-acting piston seal, symmetrical profile – installation in the piston groove, flexible PU sealing lip supported by an NBR O-ring, intended for operation at high pressures and dynamic loads. Technical data: Inner diameter d: 104 mm (≈ 4.09 inches) Outer diameter D: 125 mm (≈ 4.92 inches) Height H: 8,1 mm (≈ 0.32 inches) Material DN: polyurethane 98 ShA (pink) + NBR Maximum pressure: up to 400 bar Working speed: up to 0,5 m/s