Chesterton 491 DIN Rotary Internal Single Seal (Global) General Purpose, Single Component Seal​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

This high-performance, single rotary seal can address 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.

SPECIFICATIONS:

• Monolithic seal faces
• Balanced
• Non-clog isolated springs
• Dynamic O-Ri​ng is positioned on a replaceable component surface
• Fits EN12756 L1K dimension

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