EVS-EN ISO 17662:2016

Welding - Calibration, verification and validation of equipment used for welding, including ancillary activities (ISO 17662:2016)

General information
Valid from 04.04.2016
Base Documents
ISO 17662:2016; EN ISO 17662:2016
Directives or regulations

Standard history

This International Standard specifies requirements for calibration, verification and validation of
equipment used for
— control of process variables during fabrication, and
— control of the properties of equipment used for welding or welding allied processes
where the resulting output cannot be readily or economically documented by subsequent monitoring,
inspection and testing. This involves process variables influencing the fitness-for-purpose and in
particular the safety of the fabricated product.
NOTE 1 This International Standard is based on the lists of process variables stated in International
Standards for specification of welding procedures, in particular, but not exclusively in the ISO 15609- series.
Future revisions of these International Standards can result in addition or deletion of parameters considered
necessary to specify.
Some guidance is, in addition, given in Annex B as regards requirements for calibration; verification
and validation as part of acceptance testing of equipment used for welding or allied processes.
Requirements to calibrate, verify and validate as part of inspection, testing, non-destructive testing
or measuring of final welded products performed in order to verify confirm product compliance are
outside the scope of the present International Standard.
The subject of this International Standard is limited to calibration, verification and validation of
equipment after installation, as part of the workshops’ and site operations for maintenance and/or
It needs to be stressed that this International Standard has nothing to do with manufacture and
installation of equipment for welding. Requirements for new equipment are formulated in directives
and product codes (standards), as necessary.
Annex C provides information when other parties are involved in calibration, verification and validation
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