HYDRAULIC 255 STANDARD

Flexible, Dual Seal Design for Plant-Wide Use

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​This seal provides a cost-effective solution for a wide variety of applications that require dual sealing with the flexibility to meet some of the most challenging conditions

​​This bellows seal enhances reliability by minimizing O-Ring concerns. The Chesterton 186 Bellows Seal is used primarily in the chemical and petrochemical industries.

​The high-strength, low-spring-rate bellows core delivers low heat generation and reliable sealing performance. The self-cleaning, rotary bellows seal design will reduce the clogging associated with sealing fluids with solids in suspension​​.

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​This seal provides a cost-effective solution for a wide variety of applications that require dual sealing with the flexibility to meet some of the most challenging conditions.

  • 25 mm to 120 mm (1.00" to 4.75")

  • 711 mm (28") Hg Vacuum to 40 bar g (600 psig*) 17 bar g (250 psig) outboard*​
  • -55° C to 300° C (-67˚ F to 570˚ F)
  • 20m/s (4000 fpm)