• Retains the inertness feature of the
external seal - no metal parts contact the fluid
• Integrates the SpiralTrac's solids
removal capacity right into the seal's interface
• Dramatically extends the life of the standard external seal
• Allows the use of an external seal in slurry
• Enjoy lower costs when sealing harsh corrosives sludge
• Permits the use of external seals in sludge
• Improves performance of back-to-back dual seal in slurry
• Keeps seal faces cooler and cleaner