Chesterton 89112RUSCS is a Rotary Inside Single Seal in Chesterton’s 891 family, designed to retrofit older, low-technology component seals in pumps and other rotating equipment. The 891 design replaces standard OEM component seals, upgrading reliability and performance in demanding service while maintaining a compact, straightforward installation profile. Suited for inside-rotating configurations, it is a single-seal solution commonly used in pumps handling liquids in industrial settings; for operation outside the limits and additional materials consult Chesterton Mechanical Seal Engineering.
