Control

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Control

Montagi EAD has its own control laboratory that is a holder of a valid certificate № 76 of C-type by the Control Authority of the Bulgarian Accreditation Service Executive Agency covering the following activities:

  • non-destructive testing /NTD/ - ultrasound /US/, radiographic testing /RT/, magnetic particle testing /MT/, penetration test /PT/, visual /VT/, density control – of metal products, construction and welded joinings, sheet, pipe, profile and metal production, castings, forgings;
  • control on the integrity of the insulation and coating –corrosion protection, underground metal constructions;
  • control on electrochemical corrosion protection of the underground metal constructions /ECP/;
  • control on electrical installation and equipment for voltage to and more than 1000 V;
  • control on cable transmission lines and  electrical busbar systems up to 20 kV;
  • control on transformers up to and over 1000 V;
  • and destructive and metallographic (macro and micro) control of steels, cast irons, all types of metal welded joints and materials;
  • testing of mechanical, chemical, electrical, metallographic characteristics of goods/products or their parts related to supervised facilities.