Certificates & Approvals

Quality management system:

Rutek A/S is certified according to the standard ISO 9001:2015.

Quality assurance system for welding:

Rutek A/S is certified according to the standard ISO 3834-2:2005.

Welding certificates:

Our welders are highly qualified and they each have individual welding certificates (at minimum) in accordance with DS/ EN 287-1. For employees who use automatic welding machines they must also have a certificate in accordance with DS/EN 1418.

Welding procedures:

At Rutek we are working towards standardised welding procedures, which in everyday speech it is called WPS (Welding Procedure Specification). The welding procedures have been implemented in accordance with the standards DS/EN 288-3 and DS/EN 15614-1.

Rutek A/S has various WPS at their disposal which cover, among other things, the austenitic stainless steel grades as well as the Duplex stainless steel grades. All the company’s welding procedures have also been given authorisation for production with regard to PED 97/23/EC.

  • EN 1.4301 (AISI 304)
  • EN 1.4404 (AISI 316)
  • EN 1.4547 (SMO 254)
  • EN 1.4462 (SAF 2205)
  • EN 1.4410 (SAF 2507)

At the start of new projects the requirements for the welding procedures are always carefully assessed and new WPS are continually added to the company when required for new projects.

PED 97/23/EC Type approval:

Rutek manufactures cooling jackets & heating jackets for use in stainless steel pressure vessels and atmospheric vessels for use in the processing industry. Two types of cooling/heating jackets are manufactured, a classic type as well as a pharmaceutical type which is well suited to demanding applications, where the risk of crevice corrosion is significantly reduced. Both are type approved in accordance with PED 97/23/EC and have been manufactured in the Austenitic steel types as well as the duplex steel types.

Re-stamping of materials:

Rutek has permission to re-stamp materials for the production of pressure equipment in accordance with executive order 743 - 23.9.1999 and 289 - 24.4.2001.

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