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OFI Logo Bunt mit der Aufschrift: Fortschritt in guten Händen

Certification offers

A wide range of certifications on offer

Progress in good hands

A wide range of certifications on offer

The OFI accompanies innovations from the initial idea to market launch – and beyond: With OFI CERT certification, the quality of your products, processes and services is independently confirmed. This offers several advantages for you and your customers:

  • Certification strengthens confidence in your products.
  • A certification is a proof of quality by an independent third party.
  • Certification ensures your success in the market, and gives you the opportunity to reach new target groups.

We support a wide variety of industries with our range of services.
We currently offer the following certifications:

ZI - 18
Bonding of railway vehicles and vehicle parts according to DIN 6701-2
ZI - 21
Suitability of products regarding contact with drinking water

For products in contact with drinking water (KTW), in addition to the stated application for product category P1, there is the possibility of an application for a simplified procedure (product category P2) - see ZI -21 (SP).

ZI - 21 (SP)
Suitability of products regarding contact with drinking water: simplyfied procedure (product category P2)

For products in contact with drinking water (KTW), there is the possibility of an application for a simplified procedure (product category P2).

ZG 200-1
Flexible pre-isulated pipe systems for district heating networks with bonded plastic service pipes
ZG 200-2
Flexible pre-isulated pipe systems for district heating networks with bonded thermoplastic reinforced service pipes
ZG 240
Zinc coatings on steel applied by hot-dip galvanization with additional coatings – Batch galvanized, coated hollow bars
ZG 250-1
Air hygiene test of FILTERS IN PASSENGER COMPARTMENTS OF VEHICLES with regard to reducing the risk of transmission of infectious agents. Basic requirements.
ZG 250-2
Air hygiene test of FILTERS IN PASSENGER COMPARTMENTS OF VEHICLES with regard to reducing the risk of transmission of infectious agents. Additional requirements for biocidal surface properties