Certificates

Approvals

welding certificate EN1090
Various procedure tests
Approval to WHG § 191
Specialist business to TRbf 180 and 280
PTB approval for tank double bottoms
“TDB-RO-87” and “TDB-RO-93”
DIN ISO 9001 since 1994
SCC System since 1998
DTÜV Notice 1052
Certificate – Testing and acceptance
to Directive 97/23/EG Module A1/F/G
Maintenance authorisation to § 72
of Calibration Regulations

Procedural tests of following welding procedures

Manual arc-welding to TRD 201/ AD Notice HP/5/2/HP 2/1 TRbF 301/ DIN 8560
Autogen welding to TRD 201/
AD Notice HP/5/2/HP 2/1 TRbF 301/
DIN 8560
Inert gas arc-welding to TRD 201/
AD Notice HP/5/2/HP 2/1 TRbF 301/
DIN 8560
Orbital welding