Piston Rod Seal PU UNR Hydraulic Cylinder Seals 

KVK PU Seals UNR type are U-rings with larger cross section for high pressure work. O Rings application range: Working pressure: ≤31.5bar Working temperature: -20℃～+80℃ Reciprocating speed: ≤1m/s medium: General purpose petroleum based hydraulic oil, water, emulsion. Install: To avoid damage to the sealing lip, precautions should be taken to avoid sharp edges during installation. Material: KVK polyurethane material with a hardness of 90 degrees Order example: UNR-160 or UNR-160 185 10