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Precision Vacuum Components for Demanding Applications

AFTinox – Trusted manufacturer of high-quality vacuum valves, flanges, bellows, and fittings since 2014. ISO-certified, global delivery, custom solutions.

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AFTinox Factory

About AFTinox

SUZHOU AFTinox Flow Control Technology Co., Ltd is a professional manufacturer of a full line of vacuum valves, components, and fittings since 2014. We specialize in high-integrity stainless steel vacuum solutions for semiconductor, aerospace, medical, and research industries.

Our product range includes KF (NW, ISO-KF), ISO, and CF (Conflat) series made from premium materials such as 304, 304L, 316, 316L, DIN1.4301, DIN1.4306, DIN1.4401, DIN1.4404 stainless steel, and aluminum for select components.

2014
Founded
50+
Countries Served
1000+
Custom Projects
ISO
Certified

Our Products

High-performance vacuum components engineered for reliability, durability, and leak-tight integrity. All products available in multiple materials and finishes.

ISO KF Vacuum Ball Valve

ISO KF Vacuum Ball Valve

Leak-tight shut-off valve with smooth operation. Ideal for high vacuum systems.

  • Material: SS304 / SS316
  • Size: KF10 to KF50
  • Seal: NBR / FPM / EPDM
  • Pressure: 10⁻⁷ mbar
Vacuum Bellows

KF Flexible Hoses Bellows

Flexible metal hoses for vibration isolation and alignment compensation.

  • Material: SS316L
  • Diameter: NW16 to NW50
  • Length: 50–300mm
  • Temp: -40°C to 400°C
KF Clamp

KF25 Clamp

Stainless steel clamp for secure KF flange connections.

  • Material: SS304
  • Size: KF25 (NW25)
  • Finish: Pickled
  • Standard: ISO-KF
Vacuum Center Ring

KF Centering Ring with NBR O Ring

Precision centering ring with integrated O-ring for leak-free sealing.

  • Material: SS304 + NBR
  • Sizes: KF10 to KF50
  • Temp: -10°C to 100°C
  • Reusable Design
Vacuum Valve

Vacuum Ball Valve

Manual or pneumatic actuation options. Smooth quarter-turn operation.

  • Material: SS316
  • Connection: KF, ISO, CF
  • Leak Rate: <1x10⁻⁹ He
  • Actuator: Optional
ISO to KF Flange Adaptor

ISO to KF Flange Adaptor

Convert ISO to KF connections seamlessly. Precision-machined for alignment.

  • Material: SS304 / SS316
  • Config: ISO16 to KF25
  • Surface: Machined
  • Seal: Metal or elastomer
CF Bored Conflat Flange

CF Bored Conflat Flange

Ultra-high vacuum flange with copper gasket seal. Ideal for UHV systems.

  • Material: SS316L
  • Sizes: CF16 to CF100
  • Pressure: 10⁻¹² mbar
  • Standard: ISO 3669
Vacuum Adaptor Fittings

Vacuum Adaptor Fittings

Custom adaptors for KF, ISO, CF, and VCR connections.

  • Material: SS304 / SS316 / Aluminum
  • Types: Straight, elbow, reducer
  • Custom Threads Available
  • Electropolished Finish Option
View Full Catalog

Why Choose INOX Vacuum?

High Integrity

All components tested for leak rates down to 10⁻⁹ mbar·L/s. ISO 9001 compliant manufacturing.

Custom Solutions

We offer custom flanges, valves, and fittings. CAD support and rapid prototyping available.

Global Support

Exported to over 50 countries. Fast shipping and responsive technical support.

Wide Material Range

Available in 304, 316, 316L, and aluminum. Multiple finishes: pickled, polished, electro-polished.

10+
Years Experience
500+
Products
50+
Countries
99.8%
Customer Satisfaction

Frequently Asked Questions

What materials do you offer?

We manufacture components in SS304, SS304L, SS316, SS316L, DIN1.4301, DIN1.4306, DIN1.4401, DIN1.4404 stainless steel, and aluminum for certain parts.

Can you make custom flanges?

Yes, we offer full custom flange manufacturing. Please provide drawings or specifications for a quote.

What surface finishes are available?

We offer pickled, machining, polished, electro-polished, and sand-blasted finishes depending on application requirements.

Do you support OEM/ODM?

Yes, we provide OEM and ODM services with branding, packaging, and technical documentation support.

Get in Touch

Contact our sales team for quotes, technical support, or custom design inquiries.

Bill Liu (Sales Manager)
+86 15767915432
0086-15767915432
[email protected]
1012 Century Financial Tower, No.1 Suzhou Avenue West, Suzhou Industrial Park, Suzhou, Jiangsu, China
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