The Type 680 is the ideal seal for general-purpose applications. Its rotating Alloy-20 bellows provide corrosion resistance in a broad range of corrosive media. Its cost-effective design, combined with a reliable performance history, has made the Type 680 a standard for low-temperature applications found in the chemical, water and wastewater, pulp and paper, and utility industries.
The seal is available with hard faces for abrasive applications and a wide range of elastomers to cover a broad range of applications.
Carbon face: To 200C/400F
Tungsten Carbide or Silicon Carbide face: 150C/300F
Vacuum to 360 psi(g)/25 bar(g)