Polyurethane mechanical equipment special rod seal

Product Description: This is a special piston rod seal for mechanical equipment market,and the groove design adopts Chinese standard JB/ZQ4265. Choose nitrile rubber,fluorine rubber,polyurethane and other materials.   Technical parameters: Working pressure:≤32MPa(PU) Working temperature:-30℃~80℃(PU) Working pressure:≤32MPa(NBR) Working temperature:-30℃~120℃(NBR) Working temperature:-20℃~220℃(FKM) Reciprocating speed:≤0.5m/s   Medium: General purpose petroleum-based hydraulic oil, water, emulsion.   Installation: The axial clearance of this type of seal can be a one-piece piston.To avoid damage to the sealing lip,measures should be taken to avoid sharp edges during installation. Materials: High-performance nitrile rubber (NBR) with a Shore hardness of about 88 degrees. High-performance fluororubber (FKM) with a Shore hardness of about 85 degrees. Shore hardness of about 90 degrees of polyurethane (PU).   Product physical map:   Section:   Assembly diagram: