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Precision Ferrofluid Vacuum Feedthroughs

Engineered for reliability, performance, and long-term sealing in high-vacuum and industrial environments. Trusted by engineers worldwide for superior magnetic fluid sealing technology.

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Ferrofluid Seal Manufacturing

About Ferrofluidseal.com

Ferrofluidseal.com is a trusted source for high-performance ferrofluidic feedthroughs and vacuum sealing solutions. We specialize in magnetic fluid rotary seals designed for extreme environments where reliability and leak-tight integrity are critical.

Our products are widely used in semiconductor manufacturing, vacuum coating, analytical instruments, and industrial automation. With years of engineering expertise, we deliver custom and standard feedthroughs that meet rigorous international standards.

Leak-Free Sealing

Precision Engineering

Our Product Range

Explore our comprehensive line of ferrofluid feedthroughs designed for diverse industrial and scientific applications.

Single Axle Feedthrough

Single Axle Feedthrough

Reliable single-shaft sealing for rotary motion in vacuum systems.

  • Type: Solid Shaft
  • Seal Type: Ferrofluidic
  • Application: Vacuum Feedthrough
Multi-Axle Feedthrough

Multi-Axle Feedthrough

Multi-shaft configurations for complex motion transmission.

  • Type: Multi-Shaft
  • Seal Type: Magnetic Fluid
  • Application: Industrial Automation
Hollow Axle Feedthrough

Hollow Axle Feedthrough

Ideal for routing cables, fluids, or gases through rotating joints.

  • Type: Hollow Shaft
  • Seal Type: Ferrofluid Vacuum Seal
  • Application: Instrumentation
Water Cooling Feedthrough

Water Cooling Feedthrough

Designed for high-heat applications with integrated cooling channels.

  • Type: Cooled Shaft
  • Seal Type: Ferrofluidic with Cooling
  • Application: High-Temp Environments
Special Feedthrough

Special Feedthrough

Custom-engineered solutions for unique sealing challenges.

  • Type: Custom Design
  • Seal Type: Magnetic Fluid
  • Application: OEM & R&D
Vacuum Ferrofluid Feedthrough

Vacuum Ferrofluid Feedthrough

High-integrity sealing for ultra-high vacuum (UHV) systems.

  • Type: UHV Rated
  • Seal Type: Ferrofluid Rotary Seal
  • Application: Semiconductor, Coating
Flange Ferrofluid Feedthrough

Flange Ferrofluid Feedthrough

Flanged mounting for secure integration into vacuum chambers.

  • Type: Flanged Mount
  • Seal Type: Magnetic Fluid Seal
  • Standard: CF, KF, ISO
Shaft Ferrofluid Feedthrough

Shaft Ferrofluid Feedthrough

Solid shaft design with superior torque transmission and sealing.

  • Type: Solid Shaft
  • Seal Type: Ferrofluid Rotary
  • Application: Rotary Motion Systems

Why Choose Ferrofluid Seals?

Discover the engineering advantages that make ferrofluidic seals the preferred choice in demanding applications.

Zero Leakage

Ferrofluid forms a hermetic seal that prevents gas or fluid leakage even under extreme vacuum conditions.

Low Torque

Smooth rotation with minimal friction, ideal for precision instruments and sensitive equipment.

High Speed

Capable of operating at high RPMs without degradation, suitable for dynamic industrial processes.

Long Life

Durable magnetic fluid seals with extended service life, reducing maintenance and downtime.

10+
Years of Engineering Experience
50+
Global Industrial Clients
100%
Leak-Free Performance Guarantee

Frequently Asked Questions

What is a ferrofluid feedthrough?

A ferrofluid feedthrough uses magnetic fluid to create a hermetic seal around a rotating shaft in a vacuum environment. The fluid is held in place by permanent magnets, forming a dynamic seal that allows rotation without leakage.

Where are ferrofluid seals used?

Common applications include semiconductor processing, vacuum coating systems, mass spectrometers, electron microscopes, and industrial automation equipment requiring clean, reliable rotary motion in vacuum.

Can ferrofluid seals handle high temperatures?

Standard ferrofluid seals operate up to 80°C. For higher temperatures, water-cooled feedthroughs or special high-temp fluids are available to extend operational limits.

Do you offer custom designs?

Yes, we provide custom ferrofluid feedthrough solutions tailored to specific shaft sizes, flange types, speed requirements, and environmental conditions. Contact us with your specifications.

What maintenance do ferrofluid seals require?

Ferrofluid seals are virtually maintenance-free. Under normal conditions, they require no lubrication or adjustment and offer long service life without intervention.

Get in Touch

Have questions about our ferrofluid feedthroughs? Reach out to our engineering team for expert support.

No.1,3 Luositang Road, Changsha, China (Hunan) Pilot Free Trade Zone
+86 13974953910
sales@ferrofluidtec.com
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