What is the Minimum Order Quantity (MOQ)?

Standard products: Low MOQ accepted (1~5 sets for trial orders). Customized solutions: MOQ negotiable based on project complexity.

How do you ensure product quality?

We implement strict quality control: Materials:Duplex,Alloy , Premium SiC, tungsten carbide from certified suppliers Manufacturing: CNC precision machining + automated laser welding Testing: Helium leak test, dynamic balance test, pressure simulation Traceability: SAP software management and Master Cam,Soldworks programming ensure 100% consistent quality for each batch of goods

What is the lead time?

Standard products: 7-15 days ex-stock. Custom solutions: 3-6 weeks (complexity-dependent). Rush orders available upon request.

Which payment terms can you accept?

T/T, L/C, D/P, Western Union, PayPal

What 's your shipping ways?

By sea, by air and by express (DHL, Fedex, UPS, TNT, EMS etc.)

4670 20mm Mechanical Seal for Flygt Pump

Name: 4670 20mm Mechanical Seal for Flygt Pump
Brand: FBU Sealing Technology (Suzhou) CO.,Ltd
SKU: 943555525

Jiangsu, ChinaFBU Sealing Technology (Suzhou) CO.,Ltd

US$40.00-90.00

1 Set

Product profile

Customization

Available

Structure

Single End

Pressure

Medium Pressure Mechanical Seals

Model NO.

4670

Speed

General Speed Mechanical Seal

Temperature

Temperature Mechanical Seal

Performance

Wear

Standard

Balance

Balanced

Brand

Fbu

Style

Mechanical Seals

Transport Package

Wooden Box/Carton or Packed as Customer's Request

Specification

20/25/35/45/60/90mm

Trademark

FBU

Origin

China

HS Code

8484200090

Production Capacity

5000pieces/Year

Key features

Dual Certification: ISO 9001:2015 and API Q1 certified for rigorous quality control.

Custom Engineering: Tailored solutions for pressure, temperature, and RPM parameters.

Precision Manufacturing: Haas 4/5-axis centers and Zeiss CMMs ensure <0.01mm tolerance.

Smart Factory: SAP integration and predictive maintenance for 97.2% uptime.

Global Standards: Compliant with ISO 21049, EN 12756, and ATEX for explosive zones.

Comprehensive Testing: Helium leak, dynamic balance, and pressure simulation tests.

Flexible MOQ: 1-5 sets for standard trials; negotiable for custom projects.

Fast Delivery: 7-15 days for standard stock; 3-6 weeks for custom solutions.

Company profile

High Repeat Buyers ChoiceProduction Process VisualizationManagement CertificationStandardized quality control

FBU Sealing Technology (Suzhou) CO.,Ltd

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.48h

AI-Powered supplier vetting

SummaryThe supplier demonstrates professional technical and customization capabilities, including 3D software design, sample- and design-based customization, ODM, and OEM services. Its stated production environment includes high-end CNC equipment, network-connected machines, CAM control, and multiple machining, welding, testing, and measurement facilities. Quality and service processes are supported by documented procedures for supplier service assessment, corrective and preventive actions, complaint handling, quality assurance, and material traceability. The supplier offers overseas equipment installation, debugging, repair, and maintenance in Malaysia. Innovation evidence is positive because new products were developed during the past year, although no SDK is available. Financial credibility cannot be assessed because the supplied financial figures are excluded from consideration and no non-financial financial assessment is provided. Certification holdings and identifiable customer cases are not sufficiently...

Supplier typeThe supplier is identified as a professional technical supplier, while its business scope covers mechanical equipment, pumps, vacuum equipment, valves, plugs, rubber products, and special ceramic products. However, the company type is also stated as a trading company, so its exact manufacturing-versus-trading role is mixed rather than fully clear.

After-Sales capabilityThe supplier states that it provides professional after-sales service and has documented procedures and records for service-capability assessment, corrective and preventive actions, and customer complaints. It also offers overseas debugging, repair, maintenance, and equipment installation in Malaysia, supporting a positive assessment of after-sales capability.

R&D capabilityThe supplier reports R&D capability, new product development during the past year, ODM services, and OEM services for well-known brands. It also describes an intelligent manufacturing setup using network-connected CNC equipment, CAM control, and real-time equipment data, although no SDK is available.

Production capacityProduction-related evidence includes CNC turning, vertical boring and milling, sawing, welding, lapping, hardness testing, flatness measurement, digital depth measurement, and three-coordinate measurement. The supplier also describes a high-end CNC-based intelligent factory, but its company type is stated as a trading company, so the scale and ownership of production capacity are not fully established.

Customization capabilityThe supplier explicitly supports customization from samples, full customization, customization from designs, minor customization, and flexible customization. It also offers 3D software design, ODM, and OEM services, providing direct evidence of broad customization capability.

Product Q&A

Q:Are you a factory or a trade company?

We are a factory with more than 18 years industrial experience.

Q:What products do you specialize in?

We design and manufacture Mechanical Seals and Sealing Support Systems, including reactor seals, pump seals, seal flush plans (API Plan series), barrier fluid systems, and gas seal control systems. Our products are widely used in petroleum, chemical, pharmaceutical, power, and marine industries.

Q:Where is your factory located?

Our manufacturing base is in Changshu, Jiangsu, China - strategically positioned in the Yangtze River Delta industrial hub. With proximity to Shanghai/Ningbo ports, we ensure efficient global logistics and supply chain management.

Q:Do your products meet international standards?

Yes! Our seals comply with ISO 21049 (API 682) and EN 12756 standards. We are ISO 9001 certified and API Q1 certified , and selected products have ATEX certification for explosive environments.

Q:Can you customize seals for unique conditions?

Absolutely. We provide tailored engineering solutions based on your specific operating parameters (pressure, temperature, medium, RPM, etc.) to solve complex leakage challenges.