KlingerWestad is a leading supplier and a pioneer in the development of high performance butterfly valves for ships and offshore installations, the Oil & Gas, chemical and mining industries. The close connection to the North Sea enables Westad to expand its knowledge of critical applications, high-technology materials and valve design.

In addition to a proven track record of delivering high quality products for more than one hundred years, Westad is classified and certified by most major classification societies.

  • Valves can be delivered according to NORSOK L-001
  • Approved by Achilles – ID 15965
  • Pressure Equipment Directive – PED-H-137
  • Westad is self certified with DNV GL, LR and BV
  • Approved by major oil companies



Klinger Westad controls all activites from machining through assembly and testing, of course under the strictest quality control. Procedures and acceptance criteria are implemented at our sub-contractors and in our own production.

ISO 9001 certificate since its introduction.

Download our ISO 9001:2015 certificate (DNV) here.



Klinger Westad strives to minimize the use of non-renewable resources and unnescessary packaging. Environmental knowledge is important among our employees and Westad has a open policy towards customers, suppliers, owners and the general public regarding the environmental impact.

ISO 14001 certificate since March 2010.

Download our ISO 14001:2015 certificate (TI) here.