Standard Seals

Metal Bellow Design Mechanical Seal Replace John Crane and Sealol ‘s 680 Seal

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Product Details

The Type HX-B680 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 HX-B680 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.
• Edge-welded metal bellows
• Static secondary seal
• Standard components
• Available in single or dual arrangements, shaftmounted or in a cartridge


Carbon face: To 200C/400F
Tungsten Carbide or Silicon Carbide face: 150C/300F


Vacuum to 360 psi(g)/25 bar(g)



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