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Precision Vacuum Flanges &
SFN Data Center Valves & Fittings

AFTINOX – Trusted manufacturer since 2014, delivering high-quality stainless steel vacuum components and liquid cooling solutions for HV/UHV systems and AI data centers worldwide.

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2014
Established
100+
Global Clients
99.8%
Customer Satisfaction

About AFTINOX

AFTINOX is a professional factory specializing in stainless steel flanges, fittings, and valves since 2014. We focus on high-precision vacuum components and Secondary Fluid Network (SFN) valves and fittings for critical applications in semiconductor, aerospace, research, and AI data centers.

Our product range includes KF (NW, ISO-KF), ISO, CF (Conflat) vacuum flanges, elbows, tees, manifolds, bellows, adaptors, and valves. We also provide specialized SFN solutions such as ball valves, check valves, control valves, ferrules, and tube fittings for liquid cooling systems.

Vacuum Components SFN Valves & Fittings Stainless Steel 304/316L HV & UHV Applications
AFTINOX Manufacturing Facility

Our Products

High-precision vacuum and SFN components engineered for reliability, durability, and leak-tight performance in demanding environments.

KF Equal/Unequal Tee

KF Equal/Unequal Tee

ISO-KF standard, SS304/316L, for vacuum piping systems requiring branching connections.

Type: Vacuum Tee | Size: NW10-NW50 | Material: SS304/316L
CF Zero Length Flange Adaptor

CF Zero Length Flange Adaptor

Conflat flange adaptor with zero-length design for compact UHV systems.

Type: CF Adaptor | Size: CF16-CF100 | Material: SS304L
Vacuum Manual Ball Valve

Vacuum Manual Ball Valve

High-integrity sealing ball valve for vacuum and SFN applications.

Type: Ball Valve | Pressure: 10^-9 mbar | Material: SS316L
Vacuum Bellows

Vacuum Bellows

Stainless steel bellows for angular and axial compensation in vacuum systems.

Type: Metal Bellows | Diameter: 25-200mm | Material: SS321
KF/NW Aluminum Blank Flange

KF/NW Aluminum Blank Flange

Lightweight aluminum blanking flange for KF/NW systems.

Type: Blank Flange | Size: NW10-NW40 | Material: Aluminum
KF/CF/ISO Elbow

KF/CF/ISO Elbow

90° elbows for vacuum piping in KF, CF, and ISO standards.

Type: Vacuum Elbow | Angle: 90° | Material: SS304/316L
Liquid Cooling Ball Valve

Liquid Cooling Ball Valve

SFN ball valve for secondary coolant loop in data centers.

Type: SFN Valve | Temp: -20°C to 120°C | Material: SS316L
Straight/Conical Reducer

Straight/Conical Reducer

Precision reducers for connecting different diameter vacuum lines.

Type: Vacuum Reducer | Connection: KF/CF/ISO | Material: SS304
Vacuum Clamp & Centering Ring

Vacuum Clamp & Centering Ring

KF clamps and centering rings for secure and aligned flange connections.

Type: Clamp & Ring | Size: NW10-NW50 | Material: SS304
Hose/Gauge/VCR/NPT Adaptor

Hose/Gauge/VCR/NPT Adaptor

Multi-standard adaptors for integrating various instrumentation and tubing.

Type: Adaptor | Standards: VCR, NPT, Hose | Material: SS316
Vacuum Manual Angle Valve

Vacuum Manual Angle Valve

Bellows-sealed angle valve for high-vacuum isolation and control.

Type: Angle Valve | Seal: Bellows | Material: SS316L
Stainless Steel Manifold

Stainless Steel Manifold

Custom manifolds for complex vacuum and fluid distribution systems.

Type: Manifold | Config: Custom | Material: SS304/316L
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Why Choose AFTINOX

We combine advanced manufacturing, rigorous quality control, and expert support to deliver reliable solutions.

Strict Quality Check

Helium leak testing, water pressure testing, and full dimensional inspection ensure every component meets HV/UHV standards.

Quick Delivery Time

Large stock availability and efficient production processes ensure fast lead times and on-time delivery globally.

Advanced CNC Equipment

Japanese Mazak CNC machines ensure high-precision machining and consistent quality across all production batches.

Excellent After-Sale Service

Our technical team provides expert support for system integration, troubleshooting, and custom solution development.

10+
Years Experience
50+
Employees
1000+
Products
30+
Countries Served

Frequently Asked Questions

What materials do you use for your vacuum components?

We primarily use high-grade stainless steel including SS304, SS304L, SS316, SS316L, and SS321, depending on the application requirements for corrosion resistance, strength, and UHV compatibility.

Do you offer custom manufacturing services?

Yes, AFTINOX provides OEM/ODM services. We can manufacture custom flanges, manifolds, valves, and fittings based on your drawings, specifications, or samples.

What vacuum standards do your products comply with?

Our products meet international standards including KF (ISO-KF, NW), ISO, and CF (Conflat) for vacuum applications, ensuring compatibility with global systems.

What is your typical lead time?

Standard products are often in stock and can ship within 3-7 days. Custom orders typically take 15-30 days depending on complexity and quantity.

How do you ensure product quality?

We conduct full quality inspections including material certification, dimensional checks, surface finish verification, and helium leak testing or water pressure testing as required.

Can you supply products for liquid cooling in data centers?

Yes, we specialize in SFN (Secondary Fluid Network) valves and fittings including ball valves, check valves, ferrules, and tube fittings designed for AI data center liquid cooling systems.

Get in Touch

Contact us for product inquiries, technical support, or custom solutions.

[email protected]
+86 512 65826356
13358049827 (WhatsApp)
1012 Century Financial Tower, No.1 Suzhou Avenue West, Suzhou Industrial Park, Suzhou, Jiangsu, China
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