891 Rotary Inside Single Seal

High-Performance, Single Component Seal
​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Chesterton's 891 is a balanced, high-performance component single seal. The 891 can be run against many different stationary seal rings for maximum flexibility in many applications. It is a non-fretting design that will not damage the shaft sleeve or any metal parts within the seal.​​

 

Product Features

  • Monolithic seal faces
  • Balanced
  • High-pressure capable
  • Non-clog, isolated springs
  • Dynamic O-Ring is positioned on a replaceable component surface
  • Minimized wearing components
  • Easy to repair with kits

Product Literature

Technical Data

Size Range 16 mm to 200 mm (0.75 inch to 8 inch)

Materials

Operating Conditions

Temperature -55 to 300 °C (-67 to 570 °F)
Speed 20 m/s ( 4000 fpm )
 

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