• Professional advice
  • Stringent safety standards
  • High quality
  • Short delivery times

Consider us and the quality of our products as high performance partners for your safety valves and rubber ball valves.

This starts with guaranteed professional advice and ends with delivery – overnight if needed in case of emergencies.

To guarantee continuous high quality, we work according to DIN EN ISO 9001:2015 quality management regulations, and we exclusively trust German subcontractors.

It is understood that all THIES-Safety Valves have the TÜV type-examination, EU type-examination and are complying with the Pressure Appliance Regulations 2014/68/EU.

All THIES-Safety Valves bear the CE 0045 mark since December 2001.


TÜV NORD Systems GmbH & Co. KG:

  • CE 0045  (Quality system (module D) according to directive  2014/68/EU)


TÜV Type-test approval mark:

TÜV NORD Systems GmbH & Co. KG:
EU-type-examination (module B) according to directive 2014/28/EU


Lloyd's Register of Shipping:


Additional International Certifications on request.