Guarnizione cilindro idraulico tipo U-Cup UN/UHS/Y asta/pistone cric FKM PU NBR ID 8-90mm
Material： FKM Fluorine Rubber / NBR Nitrile rubber / PU Polyurethane. U-cup is the most commonly used oil seal in hydraulic cylinders, is a typical lip seal, whether used for piston or piston rod can get a good seal.