Count on us: during planning, processing and also afterwards

In-house we develop, tailored to your needs, products that stand for Swiss quality, innovation, durability and energy efficiency. We do everything to ensure we can continue to impress you with innovative solutions and first-class service, now and in the future.

However, Jansen offers you not only first-class products such as plastic systems: Jansen supports you, our customer, with expert advice and technical know-how from office and field-based staff. We provide a wide range of training courses and presentations, and support you during the planning of your projects.

You also profit from individual project solutions, the manufacture of special components and the wide range of quality inspections carried out in our in-house laboratory in accordance with the standard. Furthermore, we can also undertake structural, thermal and hydraulic calculations for you.

Get in touch with us

Do you have questions on our services or do you need advice? Our contacts will be pleased to be of assistance.

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Select a service area

Our services include the following:


  • Lean production over the entire value chain supports cost-effective solutions for the customer
  • Production of small quantities: realisation of small quantities thanks to various process techniques

Quality assurance

  • Raw material and impact strength tests
  • Welding and internal pressure tests
  • Annular rigidity
  • Tensile, cutting and bending trials
  • Ageing and weathering trials
  • Layer thickness determination


  • Selection of suitable thermoplastic
  • Design of material and component
  • Evaluation of replacement materials for existing components
  • Geometry optimisation
  • Tool design and dedicated tool making for mono, hybrid and co-extrusion products
  • Own service and repair workshop as well as storage
  • Implementation of all production steps


  • Tests on pipe applications with internal pressure
  • Infrared spectroscopy for material identification
  • Moisture and water-content determination
  • Filler identification
  • MFR for characterising the flow behaviour of a thermoplastic under specific pressure and temperature conditions (moulding compound test)
  • Chemical material verification