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| Company: |
Controltest Ltd. |
| Country: | Bulgaria |
| City: | Sofia |
| Postal code: | 1592 |
| Address: | 12 Asen Yordanov Blvd. |
| Phone number: | +359 2 9786788, 9788114 |
| Fax number: | +359 2 9786788, 9788114 |
| E-Mail: | ndt@controltest.eu |
| Web: | www.controltest.eu | | | Enter the Controltest Ltd. web site |
| Manager: | Orlin Penkov, Krum Aleksiev |
| Contact person: | Orlin Penkov, Krum Aleksiev |
| Scope of Activity: | Non-Destructive Testing:Radiographic testing: Conventional radiography; Computed radiography.Ultrasonic testing: conventional; S-AUT, TOFD and Phased Array techniques.Ultrasonic thickness measurements.Dye Penetrant testing.Magnetic-Particle testing.Magnetic method for testing of steel ropes.Visual testing. 3D Scanning.Leak testing: Pneumatic testing / Bubble testing; Vacuum Box testing; Pressure testing of welded joint; Pressure strength testing with and without bursting.Continuity of coatings and insulation, insulation disruptive voltage /Holliday Test/.Vibration measurements.Measuring of shafts concentricity.Acoustic Emission.Eddy Current testing: Size and location of surface and subsurface discontinuities; Thickness measurements of coatings over ferrous and non-ferrous metal; Ferrite number of austenitic steels; Sorting of steel.Crack depth detection- electro potential method.Hardness test: Vickers; Rockwell; Brinell; Shore.Dimensional measurements.Chemical analysis: Atomic emission spectrometry of carbon, stainless steel (incl. “C”, “P”, “S”) and aluminium alloys; X-Ray spectrometry of steel, aluminum and brass alloys.Destructive testing:Mechanical properties: Tensile test; Compression test; Shear test; Bending test; Charpy impact test; Long term material strength.Metallography of welded joints and base material: Intercrystallite corrosion; Microstructure; Macrostructure; Corrosion resistance of austenitic materials.Electrical measurements up to 1000 V: Loop impedance "phase-protective conductor"; Resistance of Earthing systems; Resistance of lightning protection systems; Insulation resistance; Safety switches / FI circuit breakers - contact voltage, grounding resistance (tripping time/tripping current); Electrochemical corrosion protection control/Cathodic Protection/Technical Inspections and Supervising control: Examination of materials used (certificates of origin or chemical analyses); Competence of contractor (qualification and certification of factory and staff); Stages and terms of performance; Witness and control during the tests, testing and implementation of processes for products’ manufacturing; Assessment of special processes, welding and painting; Final inspection of marking, packaging and expedition.Technical survey of High risk equipment: Boilers – steam and water heating with power over 116.3kW;Metal vessels for fluids in group 2 operating at: PSNotified Body No.2413 as per Directive: 2010/35/EU – Transportable Pressure Equipment Directive /ÒÐÅD/”; 2014/68/EU – Pressure Equipment Directive /ÐÅD/; Approval of permanent joining procedures.Approval of permanent joining personnel. Approval of non-destructive testing personnel according to Annex I, 3.1.3 |
| Foreign partners: | Applus - RTD, IPSI - France |
| Application area: |
Thermal engineering, Electric power systems, Nuclear power industry, Gasification, coal, oil / primary energy sources |
| Products: |
Test and measurement equipment for thermal engineering and district heating, Electrical measuring and test equipment, Earthing equipment, Test and measurement equipment for nuclear power stations |
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