Your Equipment.
Your Brand.
Your Aftermarket.
Complete cartridge seal platforms for independent pump and
rotating equipment OEMs—from one prototype to serial production.
Since 2007
Focused on cartridge seal engineering and manufacturing.
Suzhou, China
Critical metal parts machined, inspected and assembled inhouse.
OEM + Service Partners
Pump OEMs, repair companies and rotating equipment channel partners.
API Spec Q1 · 10th Ed.
Quality management system, with ISO 9001/14001 and ATEX within scope.
01 · I BUILD EQUIPMENT
Pump & Rotating
Equipment OEMs
Put a complete cartridge seal into your equipment program—with the fit, records and repeat supply your brand needs.
Your Equipment. Your Brand. Your Aftermarket.
02 · I REPAIR PUMPS
Independent Pump Repair Companies
Start with the pump model or existing seal in your shop. FBU supplies a complete cartridge ready for installation.
Complete Cartridge Seals for the Pumps You Repair.
03 · I SUPPORT LOCAL CUSTOMERS
Service & Channel Partners
Add cartridge-seal engineering and manufacturing behind your local service—without giving up the customer relationship.
Your Customers. Your Brand. Your Aftermarket.
04 · I SOURCE EQUIPMENT IN CHINA
China-Sourced & Hybrid Pump Brands
Keep one customer-selected seal from the China pump test to field operation, with FBU coordinating locally when authorized.
Keep the seal decision with the brand owner.
01 · READY ROUTE
Choose a Standard Product
Start with an existing complete cartridge seal where the product and application requirements already align.
02 · PLATFORM ROUTE
Configure a Mature Platform
Start from a mature FBU design and configure the equipment fit, materials and agreed documentation.
03 · NEW‑DEVELOPMENT ROUTE
Develop a New Seal Architecture
When an existing product or mature platform does not fit, begin a controlled engineering and validation project.
FEATURED PRODUCT FAMILY
Standard Cartridge Seals
Complete single and double cartridge seal families for centrifugal pumps,
chemical pumps and repeat OEM applications.
PROJECT PROGRAM
API 682 4th Edition
APOG cartridge seals for pump OEM-led refinery and petrochemical projects.
CONFIGURE-TO-FIT
Engineered Cartridge Seals
Equipment-specific configurations for duties outside standard product boundaries.
EQUIPMENT SERIES
Mixer & Agitator Seals
Cartridge sealing solutions configured for mixers, agitators and reactors.
APPLICATION SERIES
Pulp & Paper Seals
Proven seal families for Sulzer APP/AUP and Andritz ACP pump applications.
SYSTEM PRODUCTS
Seal Support Systems
Flow meters, reservoirs, heat exchangers, cyclone separators and circulation systems.
Related Products
Bearing Isolators
Labyrinth and magnetic bearing protection for pumps and rotating equipment.
Machined In-House
Sleeves, glands, drive rings, seal ring holders and other critical metal parts.
Factory-Assembled
Complete cartridge construction—not loose components for new-seal assembly.
100% Air-Leak Tested
Every complete cartridge seal receives factory air-leak testing.
SAP + PLM Controlled
BOM, drawing revision, order, quality and traceability records are controlled digitally.
API Spec Q1 · 10th Edition
Certificate Q1-5423 · Design, manufacture and sale of mechanical seals for the oil and gas industry.
01 · YOUR EQUIPMENT
Configured to fit
Complete cartridge seals configured around the pump or rotating-equipment interface, operating duty and validation requirements.
02 · YOUR BRAND
Supplied your way
FBU brand, private label, neutral or co-branded suppl—with controlled nameplates, packaging and technical documents.
03 · YOUR AFTERMARKET
Built for lifecycle value
OEM part numbers, repair-kit BOMs,traceability, training and controlled support for the installed base.
Chemical and petrochemical processing
Reliable cartridge seals engineered for refinery and chemical pump applications.
Pulp and paper
Heavy-duty sealing solutions designed for pulp and paper manufacturing equipment.
Pump model
Existing seal
Drawing
Operating duty
Recurring problem