Terschüren GmbH has the following certifications and approvals

R+A Terschüren GmbH is certified to ISO 9000, and has all necessary DVGW approvals for gas plant construction and maintenance. The valves are manufactured according to module H, module B, and module D of the Pressure Equipment Directive.
SCC safety management was introduced for service and installation work at customers' premises.
For work in atomic power stations, we have the Confirmation of Suitability for planning, manufacture, and service of control valves as per regulation KTA 1401.

Certified to DIN EN ISO 9001:2000		Certified to HP 0/ HP 100 R/ DIN EN ISO 3834-3 (EN 729-3)		EC - Pressure Equipment Directive (97/ 23 / EC)

Manufacture of gas, pressure control, and measurement equipment as per DVGW worksheet G493/ I group 1		Maintenance of gas, pressure control, and measurement equipment in gas plants as per DVGW worksheet G493/ II group 1		Certified to KTA 1401 by AREVA NP GmbH