• Valid from 08.11.2022
  • Valid to 22.07.2025
  • Status Valid certificate
  • Certificate No 4 ОСЛ
  • Contact Person Teofil Yamboliev

Name: Certification body for persons at Tuff North Bulgaria EOOD
Legal Entity: ТЮФ НОРД БЪЛГАРИЯ ЕООД
Initial Accreditation Date: 14.06.2013
Field: Certification Bodies - Persons
Scope: Certification of persons in the performance of fixed joints:
Fillet welder; Welder of sheet material; Pipe welder;
Operator of fully mechanized and automated metal welding
materials; Non-detachable braze joint performance personnel;
Welder of thermoplastic materials
By methods:
Manual arc welding (process 111);
MIG/MAG welding (process 131/135);
MAG- welding with tubular wire (process 136);
TIG-welding (process 141);
Gas-oxygen welding (process 311);
Plasma welding (process 15);
Submerged welding (process 121);
Electric resistance welding (spot - process 21; roller - process 22;
embossed - process 23; melt front - process 24; front without melting - process 25);
Brazing and local heating (process 91 and 97);
Common Heat Brazing (Process 92);
Hot element welding;
Welding with built-in resistance wire;
Hot wedge welding.


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