Buffer Ring

U-cup style buffer ring offers an asymmetric sealing lip profile, champhered sealing edages, and pressure relieving capabilites to prevent inner pressure entrapment when employed in a tandem sealing system. This rod buffer seal is designed to absorb ompact pressure flucations under high-load conditions thus incresaing the life of the primary seal. Materil: PU+POM back-up ring Temperature Range: -40° to +230° Pressure Range: 0 to 8,000 PSI Application After Marketing CAT, HITCHI, KOMATSU, CATO, KOBELCO, DAEWOO, HYDNDAI Others earthmoving machine. The size according to customer require.