4202 Type seal are Welded metal bellow seals Provide high Performance Capabilities for a vast variety of shaft sealing applications involving corrosive and abrasive media. There designed for long fife operation.

Bellows eliminates the inertia problem of “hang up” which causes sluggish response in spring-loaded seals. Effective contact of sealing faces is maintained, despite shaft movement and run out.

The motion of Bellows throws off suspended particles of material which clog pusher-type seals. This self-cleaning action eliminates the cost of external flushing, filters and cyclone separators.

The Seal is inherently pressure-balanced, requiring no steps in shafts or sleeves.