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VT

DASH UT,,RT,MT,PT,VT BRO 2014

 

VT         VISUAL TESTING OF WELDS

 

Code: VT L2 W (for level 2)

 

Visual testing of welds is regular requirement not only as self-standing NDT testing, but also it is required prior performing other NDT method. It is one of most required NDT methods.

 

Based on: standard ISO 17637 of on recommended practice SNT-TC-1A. Alternatively we canprovide this training course based on EN 473/ISO 9712 or on EN 4179/NAS 410 as well

 

Used codes: The scope of standards covered by training is specified according to client needs.Basic standards covered by training are usually: US standards (ASME Code V/9; ASME Code VIII) and set of EN and ISO standards (e.g.: EN ISO 5817; EN ISO 17637, EN ISO 6520 etc.)

 

What you will learn

 

Training covers necessary theoretical background for correct performing of tests (in relation to relevant standards). Main focus is on the surface defects’ nature and its origin (related also to basics of welding process). The correct identification of welding defects of various types of weld joints is followed by study cases evaluation. Correct setting of acceptance criterion based on standard and evaluation is in this training essential. The practical part covers also overview of weld gauges usage and possibilities.

 

Level II training highlights

Acceptance criterion selection Weld gauges
Defects of but welds Practical tasks
Defects of fillet welds Health Safety and Environment

 

About certification

 

The examination and certification process is directly related to qualification system. In case when the training is performed in accordance with EN 473 / ISO 9712 the certificate can be issued by independent European certification body DASH CERT.

Additional details about training and certification are related to specific needs of client and shall be discussed individually. Please refer section “contacts” or our website www.Dashinspectorate.com.

 

 

 

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TRAINING

 

 

 

ET         VISUAL TESTING OF WELDS

 

Code: ET L1 (for Level 1), ET L2 (for Level 2), ET L3 (for Level 3)

 

Eddy current testing method is used for testing of the electrically conductive materials. This method is applicable in wide scale of branches, very often used for inspections of metallurgic semiproducts during the in-service inspections of pipe type heat exchangers and in aerospace and automotive industry. This method is widely used for surface discontinuities detection. The discontinuities can be detected to specific depth under surface. This method allows measuring thickness of nonconductive coating or selecting the different materials on the base of the difference in the chemical composition or heat treatment.

 

Based on:    EN 10246-1, 2, 3; DIN 54141; EN 1711; EN 1971; EN 12084; ASME V, 8

 

Used codes: The scope of standards covered by training is specified according to client needs.Basic standards covered by training are usually: US standards (ASME Code V/9; ASME Code VIII) and set of EN and ISO standards (e.g.: EN ISO 5817; EN ISO 17637, EN ISO 6520 etc.)

 

What you will learn

 

Participant will be trained in inspection according to applicable codes and specifications, and learn to develop procedures for your applications. The Level 2 certified specialist is responsible for testing and evaluating the findings according to SNT-TC-1A or EN 473 standard. They can develop the NDT instructions and manage ET testing for their workplace.

 

Level I training highlights

 

 

Basic principles of eddy currents Probes and coils

Practical impedance plane analysis Products imperfections and methods for testing

Bolt and fastener hole inspection Eddy current test equipment Basic test set circuits Parameters for testing

Testing procedures, calibration blocks

 

 

Level II training highlights

Characteristic / Limit Frequency Evaluation of Indications
Test frequency ratios Testing procedures
Testing equipment and tools Instructions and report writing
Specialized techniques Codes and theirs requirements

 

About certification

 

The examination and certification process is directly related to qualification system. In case when the training is performed in accordance with EN 473 / ISO 9712 the certificate can be issued by independent European certification body DASH CERT.

 

Additional details about training and certification are related to specific needs of client and shall be discussed individually. Please refer section “contacts” or our website www.Dashinspectorate.com

 

 

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LT         LEAK TESTING

 

Code: LT L1 (for Level 1), LT L2 (for Level 2), LT L3 (for Level 3)

 

Leakage testing is focused on the detection of imperfections in the solid boundary-line, which allow escape of fluids (in presence of the pressure gradient). This method is able to detect imperfections of the base material and its mechanical joints (welded; bonded and soldered joints), failure of metallurgical or technological process and in-service induced imperfections.

 

Based on: recommended practice SNT-TC-1A. Alternatively we can provide this training coursebased on EN 473/ISO 9712

 

Used codes: The scope of standards covered by the training is specified according to client needs.Basic standards covered by the training are usually: EN 1518; EN 1593; EN 1779; EN 13184; EN 13185; EN 13192; EN 13625; ASTM E 515 (bubble method); ASME V/10.

 

What you will learn

 

Participants of LT courses have two basic options how to get the qualification: Part A is a must and every one must be trained in this level. Part B or/and C is optional according to their needs. Training is focused on explanation how to recognize important factors that affects the testing results and helps NDT operator to understand how set-up process parameters to get relevant and accurate test results.

 

The level 1 training covers theory overview in direct connection to requirements of the relevant standards. This gained knowledge will prepare operator for accurate test performance. Training for Level 2 operators covers additionally detailed overview of relevant evaluation standards. Classroom training is accompanied by evaluation of study cases; and by practical tasks with testing and evaluation of samples.

 

Training highlights

Basic principles of physic of gasses Penetration method
Vacuum equipment Tracer gas method
Pressure change method Testing equipment
Bubble method Testing procedures, standards

 

The duration of LT trainings

Part A 32 hours Basic knowledge
Part B 40 hours Bubble testing, Pressure change
Part C 40 hours Mass spectrometer (He detector)

About certification

 

The examination and certification process is directly related to qualification system. In case when the training is performed in accordance with EN 473 / ISO 9712 the certificate can be issued by independent European certification body DASH CERT.

 

 

DASH UT,,RT,MT,PT,VT BRO 2014

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