
Your Complete Cartridge Seal Partner.
As a professional mechanical seal manufacturer in China, FBU has developed a range of mechanical seal products, covering API standard seals, standard cartridge mechanical seals, engineered seals, agitator mechanical seals, component seals, etc. Our products are widely used in industries such as petrochemical, papermaking, pharmaceutical, metallurgy, food, power generation, and wastewater treatment. Here, you can find products suitable for your needs and industry applications.


API682 4th Edition
APOG cartridge seals for refinery and petrochemical projects, designed to API 682 4th Edition.

Standard Cartridge Seals
Complete single and double cartridge seal families for centrifugal and chemical pumps.

Seal for Mixer&Agitators
Cartridge sealing solutions configured for mixers, agitators and reactors.

Seal for Pulp&Paper
Proven seal families for Sulzer APP/AUP and Andritz ACP pump applications.

Engineered Seals
Equipment-specific configurations for high PV, special materials and severe duties.
