Dockweiler | High-Purity Stainless Steel Solutions for Semiconductor Industry

Quality Without Compromise

In highly technical industries, Dockweiler products have a key function: high-quality stainless steel with specific surfaces ensures the highest purity when transporting liquid and gaseous media.

Dockweiler quality means safety for industrial processes – especially in the semiconductor industry, life science applications, and other high-tech industries worldwide.

Pioneers in UHP tube systems since the 1980s
Compliant with ASME BPE and DIN 11865
Trusted by global semiconductor leaders

Our Products

Whether bright finished or electropolished, in standard materials such as 316L, 1.4435 or in special alloys, we have the right product for every application.

Tubes & Fittings

High-purity stainless steel tubes and fittings for microelectronics, life sciences, and industrial applications. Available in 316L, 1.4435, and special alloys.

• Electropolished & bright annealed

• UHP and PCW systems

• ASME BPE compliant

Manifolds

Custom UHP manifolds for semiconductor and life science applications. Precision-engineered for maximum flow efficiency and minimal contamination.

• CFOS & UHP systems

• Fully documented welding

• Cleanroom assembly

Connections & Gaskets

High-integrity connections and gaskets ensuring leak-tight performance in critical environments.

• VCR, face seal, and flange types

• Metal-sealed and elastomer options

• Ultra-low outgassing

COAX System

Innovative coaxial tube systems for high-purity gas delivery with integrated purge functionality.

• Dual-wall construction

• Leak detection capability

• Ideal for toxic and pyrophoric gases

Corrugated Stainless Steel Hoses

Flexible, high-purity hoses for dynamic applications requiring movement and vibration resistance.

• Electropolished interior

• Full vacuum compatibility

• Custom lengths and ends

Installation Accessories

Comprehensive range of supports, clamps, and brackets designed for cleanroom and high-purity installations.

• Non-shedding materials

• Easy to clean and maintain

• Compatible with all tube types

Special Fittings

Custom-engineered fittings for unique process requirements, including multi-port, block, and transition fittings.

• One-off and batch production

• Rapid prototyping

• Full documentation package

Process Vessels

Custom-built high-purity vessels for storage, mixing, and reaction applications in life science and semiconductor processes.

• Electropolished interior

• ASME U and U2 certified

• Integrated instrumentation ports

Our Industries

Microelectronics

We are among the pioneers in the manufacture of UHP tube systems. Since the early 1980s, we’ve supplied high-purity tubes and fittings for the semiconductor industry, including PCW, CFOS, and UHP manifolds.

Life Science

For pharmaceutical and biotech applications, we offer standard and special components that comply with ASME BPE and DIN 11865, ensuring maximum safety and hygiene.

Energy & Industries

Our stainless steel products support sustainable energy technologies including photovoltaics, hydrogen production, and nuclear fusion projects like ITER and Wendelstein 7-X.

Our Services from A to Z

Laboratory Services

Advanced material testing, surface analysis, and contamination control to ensure compliance with the highest purity standards.

Application Consulting

Expert advice on material selection, system design, and integration into your high-purity processes.

Cleaning Procedures

Specialized cleaning protocols including ultra-high purity cleaning and passivation for critical applications.

Documentation

Comprehensive documentation including Material Test Reports (MTR), WebCert access, and full traceability.

Uni-Service Warehouse & Logistics

Global logistics support with just-in-time delivery and inventory management solutions.

Trainings & Webinars

Professional training courses on handling, installation, and maintenance of stainless steel tube systems.

Manufacturing Competences

Surface Treatment

Welding Technology

Space Management

Cleanroom

Our technical expertise in engineering, planning, and implementation ensures that every product meets the highest standards of purity and reliability.

Get in Contact With Us!

As a leading manufacturer of high-quality stainless steel tube systems, we prioritize personal advice and first-class service.

Whether you have questions about our products, need a customized solution, or require further information, our team is ready to assist.

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High-Purity Stainless Steel Solutions for the Semiconductor Industry