PU/NBR piston seal

HPIA Double-Acting NBR Piston Seal combines an NBR sealing element, polyester support rings, and POM guide rings for reliable dynamic and static sealing. Ideal for compact hydraulic cylinders requiring excellent wear resistance and pressure retention.

HPB Double-Acting Piston Seal adopts PU+NBR combination structure, wear-resistant bidirectional piston seal for medium-high pressure hydraulic cylinders. Fit agricultural & construction machinery, custom sizes & materials available.