Chesterton 280 Heavy Duty Double Cartridge Mechanical Seal for Agitators and Mixers
Heavy Duty Double Cartridge Seal
A double seal design for severe duty and enhanced reliability in difficult applications - including agitators and mixers.
| Size Range | 25 mm to 120 mm (1.000 inch to 4.750 inch) |
|---|---|
| Standards and Approvals | ISO-3069C, ASME B73.1, ASME B73.2, ATEX |
| Faces | CB, RSC, SSC |
|---|---|
| Elastomers | FKM, EPDM, FEPM, FFKM |
| Metals | EN 1.4401 (316SS), Other Metallurgies available on request |
| Springs | EN 2.4819 (Alloy C-276) |
| Temperature | -55 to 300 °C (-67 to 570 °F) |
|---|---|
| Speed | 25 m/s ( 5000 fpm ) |
| Pressure |
711 mm (28") Hg Vacuum – 40 bar g (600 psig) |
| Notes |
Seal pressure capabilities are dependent on the fluid sealed, temperature, speed, and seal face combinations. For operation outside the limits and additional materials consult BESTSEAL. |






