FJERO A/S is certified for the following conditions and standards:

  • DS/EN ISO 9001:2015 (Development, production & sales of hydraulic cylinders including offshore, marine, wind power and the general industry).
  • Manufacturing Survey Arrangement (MSA) with the DNV·GL
  • Type-approved DNV·GL cylinders
  • Welding procedures WPS / WPQR (Visual Testing, Ultrasonic Testing, Penetrant Testing & Particle Testing)
  • Internal welding inspection EN 473 NDT LEVEL 2 (Visual test)
  • 100% traceability
  • 100% pressure testing / documentation according to ISO 10100.
  • Special testing and measurements according to customer requirements.





    Certified peace of mind

    When you contact FJERO A/S as a potential customer, you can rest assured that we always go the extra mile to deliver high-quality cylinders. We have constant focus on monitoring and inspection throughout the process and all the way to final delivery to the customer.

    Certification – an expanded certification scheme

    We could go on talking about our products and about our company’s outstanding qualities, but through our association with a number of certification schemes, we let the objective results do the talking!



    High quality hydraulic cylinders – even for harsh conditions Tel: +45 96 16 00 00

    ”A chain is not stronger than the weakest link”

    Our hydraulic cylinders are daily challenged by conditions, which sometimes are extreme.

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