491 DIN Rotary Internal Single Seal (Global)

General Purpose, Single Component Seal
This high-performance, single rotary seal is capable of addressing a wide variety of applications. 

The Chesterton ​491 can be run against many different stationary seal rings for maximum flexibility in many applications. The non-fretting design will not destroy the shaft sleeve or any metal parts. The 491 has a balanced O-Ring design with anti-clog features, springs out of the fluid, dynamic O-Ring moves on a clean surface.
 

Product Features

This high-performance, single rotary seal is capable of addressing a wide variety of applications. 

The Chesterton ​491 can be run against many different stationary seal rings for maximum flexibility in many applications. The non-fretting design will not destroy the shaft sleeve or any metal parts. The 491 has a balanced O-Ring design with anti-clog features, springs out of the fluid, dynamic O-Ring moves on a clean surface.

Technical Data

Size Range 16 mm to 110 mm

Materials

 

Operating Conditions

Pressure 711 mm (28") Hg Vacuum to 10 BARg (150 PSIg)
Temperature -55 to 300 °C (-67 to 570 °F)
Speed 20 m/s ( 4000 fpm )
 

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