Other publications about
Controltest Ltd. |
| 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: PS<16bar; TS<200°C and 100; Vessels for refrigerating systems; Vessels for refrigerating systems; Pipelines for steam 6 bar; Gas equipment and installations; Lifting systems and mobile platforms. Remaining life assessment and risk based inspection of materials and equipment.
Notified 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: |
Gasification, coal, oil / primary energy sources, Nuclear power industry, Thermal engineering, Electric power systems |
| Products: |
Test and measurement equipment for nuclear power stations, Test and measurement equipment for thermal engineering and district heating, Electrical measuring and test equipment, Earthing equipment |
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