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Production and additional services

You benefit from individual solutions and services

Our production sites in Frauenfeld (Switzerland), Klatovy (Czech Republic) and Brembate (Italy) boast state-of-the-art, highly efficient machinery, which we continuously update. Whether dealing with unions, couplings, valves, tubes or hoses, we are your producer for tube union components.

We also bend tubes, assemble tubelines and deliver ready-to-install assemblies. Our clean room is an impressive addition to our extensive range of services.

Benefit from our many years of expertise in dealing with demanding materials, complex geometries and high-quality surfaces.

Production in figures

Each year, our 140 production employees produce...

  • 6 million stainless steel turned parts
  • 1 million stainless steel shaped parts (angle, T and cross pieces, and valve bodies) from forged blanks
  • 220 km seamless stainless steel pipes
  • 700 km hoses

Machines at work

Stainless steel turning centre
Stainless steel turning centre
Stainless steel turning centre
Stainless steel turning centre
Stainless steel turning centre
Stainless steel turning centre
Brass turning centre
Brass turning centre
Measuring cell
Measuring cell
Our fleet of machinery

Our fleet of machinery

  • 42 CNC turning centres
  • 2 CNC milling machines
  • 4 six-spindle machines
  • 5 bending machines            
  • 2 measuring cells (optical pipe measurement)
  • 3 sawing machines
  • 3 handsaws
  • 5 tube bearing towers
  • 2 drills

Customer-specific and custom materials

Special alloys are required for extremely high resistance to aggressive media and corrosion exceeding that of common steel types.

SERTO has outstanding expertise when it comes to working with

  • Hastelloy®
  • Monel®
  • Incoloy®
  • Inconel®
  • SMO®
  • Duplex
  • Super Duplex

Custom-made products

Can’t find the right union in our catalogue range? Or does your application require an optimised component, adapted mass, other thread types or different materials?

For your completely individual solution, we produce customised special parts, precisely in accordance with your drawings or specifications – in batch sizes from 100 pieces to several 1000s.

In the SERTO Group and in our network, we have competent turning shops and experts for all kinds of machining steps who can put your ideas into practice.

Additional services for the highest quality

  • Orbital welding
  • Welding (Certification to levels CL 1 and CL 2 in accordance with DIN EN 15085 for the railway industry)
  • Vacuum soldering
  • Parts testing (up to 100% with record)

CNC bending centre

When it comes to bending cables, SERTO has fully automatic, CNC-controlled bending machines that are optimally equipped for diameter ranges of up to 60 mm and an operating radius of six metres. With the ten machining axes, even demanding bending geometries can be achieved without any problems.

  • Large rod storage: over 60 tonnes of untreated, 6-metre-long tubes made from stainless steel, aluminium, copper, steel and brass
  • Fully automated carbide circular saws: maximum output of 3000 cuts per hour
  • Tube ends are deburred and chamfered manually or fully automatically at a rate of up to 2000 pieces per hour
  • Optical tube measurement device: contactless measuring system, with state-of-the-art measurement technology for absolute process reliability. Three-dimensional bent tubelines up to a length of 6 metres can be measured without a problem
  •  In-house tool, equipment and gauge construction

Assemblies

Need a supplier for ready-to-install assemblies? You can rely on our assembly skills! We offer full service for your assembly and guarantee professional installation for the safety of your system.

Whether dealing with just a handful, several hundred or a thousand completely pre-assembled sub-assemblies – we assemble individual components into complete systems, including with third-party components.

We also take care of the planning, production and entire distribution for you. This saves you valuable installation time. And at the same time, your scheduling, logistics and warehouse management are simplified.

Enquire about component assembly

Ready-to-install tube lines

We produce over 150,000 metres of metal tubes – every single year! We bend and press the majority of these with unions, valves, ball valves or couplings from the SERTO range for customer-specific solutions.

Particularly for the railway and shipbuilding sectors, where cutting ring unions up to size 42 are used, we can also use EXMAR DIN unions as an alternative or in addition to the SERTO range. Benefit from short response times and fast, flexible service thanks to the large stock available in Frauenfeld.

The clean room

The clean room

Unions or valves made of stainless steel, brass or plastic that are used in applications where surfaces in contact with media are subject to high cleanliness requirements – such as in the semiconductor industry or in medical technology – are cleaned in the cleaning plant and packaged in the clean room.


The cleaning plant consists of different baths. An air curtain prevents the cleaned components from being contaminated by dirt from the air. Quality is monitored in line with ASTM (American Society for Testing and Materials) standards and each cleaning order is documented.


The cleaned parts are then assembled in the ISO Class 8 clean room, individually shrink-wrapped in bags and packaged.


Enquire about cleaning options

Cleaning options

  • US: cleaned in an ultrasound bath, not lubricated
  • OX: cleaned in an ultrasound bath, lubricated for oxygen systems
  • SI: cleaned in an ultrasound bath and lubricated silicone-free for use in combination with paints and varnishes

The SERTO cleaning plant

  • ASTM standard
  • Ultrasound cleaning bath with alkali, with acid and with deionised water
  • Rinsing bath with osmotic water
  • Drying sections

Clean room

  • ISO Class 8
  • Directly adjacent to the cleaning plant
  • Air-conditioned
  • An annual validation of the clean room carried out by an external inspection body guarantees compliance with the prescribed particle values in the air

Logistics

Logistics

Supply chains today are more complex than ever and require efficient management. You can rely on our innovative logistics concepts, which can be adapted to your company’s specific requirements. 


  • Kits: We package and store your kits (assembles and/or assembled tubelines) in accordance with your specifications. Just-in-time delivery and in pre-defined batch sizes
  • Labelling and packaging with customer number and in accordance with your specifications
  • Delivery schedules: Avoid fluctuations in material prices and benefit from optimised prices for large production quantities
  • Kanban: just-in-time delivery, especially in C and B parts management
  • Consignment warehouse


We are sure to have just the right solution for you.


Your Contact

Your Contact

Have questions about our products or services? Our experts will be happy to help.

Get in touch