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Chesterton 280™ Heavy Duty Dual Seal

A dual seal design for severe duty and greatest reliability in difficult applications
The 280 is ideal for sealing viscous fluids and tough slurry applications such as paint, coatings, and black liquor—as well as heavy slurries in mineral/ore processing and raw material manufacturing.The 280 incorporates all the latest design advancements in mechanical sealing technology. Its geometric double-balanced design makes it the ideal choice for plant-wide standardization because it accepts process pressure reversals. Unified Seal Face Alignment™ provides extended axial play capabilities and accommodates thermal expansion in equipment with long shafts. An efficient integral pumping device with tangential internal cut-waters allows for efficient heat removal.