pREFIS
pREFIS
Innovative Steel Tube Connection by Tube-Mac®
HSP Worldwide is the exclusive distributor of Tube-Mac® PreFiS® systems in the Netherlands, offering a cutting-edge solution for steel tube connections in marine and industrial applications.
Why choose PreFiS®
• Metal-to-metal sealed connection for maximum reliability
• Compatible with welded and seamless carbon steel and stainless steel tubes/pipes
• Available in carbon steel and stainless steel fittings from 10.0 mm to 88.9 mm tubesand ½” to 3″ pipes
• Customized PreFiS® tubes with reduced wall thickness available on request
• DNV, LR, and RINA approved for 140 bar water mist and wash water systems
• Fast and easy installation using a press tool and hydraulic pump – both supplied byPreFiS®
• Press fitting installs in seconds
• No NDT costs (such as x-ray testing)
• No threading or welding required – ideal for onboard vessels or confined spaces
Benefits for your projects:
• Significant time and cost savings
• High safety standards for marine and offshore environments
• Proven reliability with global certifications
Discover how PreFiS® can improve your piping systems. Contact HSP Worldwide, your trusted partner and official Tube-Mac® distributor in the Netherlands.

Edwin Koopmeiners
Technical Director
Specialist FITOK, Tube-Mac, PYPLOK & PreFiS

Mike koopmeiners
Account Manager
Specialist FITOK, Ultra High Purity

Nick Koopmeiners
Technical Engineer
Specialist FITOK, Tube-Mac, PYPLOK & PreFiS
NEWS PreFiS® – High-Pressure Press Fitting Solutions
The Tube-Mac® Group has acquired PreFiS®, a proven non-welded press fitting system for steel tubes and pipes. Designed for up to 140 bar (2,000 psi), PreFiS® is trusted in water mist systems, oil & gas, and environments where elastomer seals are not allowed.
Since 1996, PreFiS® has delivered fast installation, metal-to-metal sealing, and certified reliability for marine and industrial applications.
HSP Worldwide is the official PreFiS® distributor in the Netherlands.
Success Story: MEYER WERFT.
Over 20 Years of Trusted Partnership
For more than two decades, PreFiS® press fitting solutions have been installed on every cruise liner built at MEYER WERFT in Papenburg, ensuring fast, reliable, and non-welded connections.
PreFiS® delivers:
• Stainless and carbon steel fittings
• High-pressure water mist systems
• CO₂ fire suppression
• High-pressure cleaning applications
Certified for safety and durability, PreFiS® is trusted in demanding marine environments worldwide.
Success Story: NYT OUH Hospital – PreFiS® High-Pressure Water Mist System
PreFiS® supplied a complete high-pressure water mist solution to Denmark’s largest construction site in Odense.
Project Highlights:
• Full system of fittings, tubes, and tools
• Over 100,000 stainless steel PreFiS® fittings (15.0 mm to 60.3 mm)
• Approx. 250 km of welded stainless-steel tubes
• Regular call-offs directly from Germany
PreFiS® ensures certified safety, durability, and efficiency for large-scale projects.



