Blue U-shaped rubber seal rings, molded rubber U-cup gaskets. Available in NBR, Silicone, EPDM, FKM, HNBR. Good wear & pressure resistance for hydraulic, pneumatic machinery. Custom sizes available.
Our Blue U-Shaped Rubber Seal Rings are precision molded U-profile rubber gaskets. Tailored for hydraulic and pneumatic systems, these U-cup rubber seals provide stable fluid sealing under pressure.
Main Features
✔ U-Cup Profile DesignSpecial U-shaped structure, self-tightens under working pressure to maintain reliable sealing and prevent liquid leakage.
✔ Multiple Rubber Material OptionsAvailable in NBR, Silicone, EPDM, FKM, High-Fluororubber, HNBR to meet oil-resistant, high-temperature, weatherproof and chemical resistant requirements.
✔ Excellent Wear & Pressure ResistanceHigh elasticity, good compression recovery, wear-resistant and anti-aging for long service life during reciprocating motion.
✔ Wide ApplicationSuitable for hydraulic cylinders, pneumatic tools, engineering machinery, agricultural equipment, valves and fluid control devices.
✔ Customizable SupportCustom inner diameter, outer diameter, thickness, hardness and colors. Accept OEM small batch prototypes and mass production orders.
These molded U-shaped rubber seals are professional dynamic sealing components for piston applications. Contact us for custom dimensions and wholesale quotation.