Spring mechanical seal 491

for shaftsmetalbalanced

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