ONORM EN 12952-6 : 2011
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
WATER-TUBE BOILERS AND AUXILIARY INSTALLATIONS - PART 6: INSPECTION DURING CONSTRUCTION, DOCUMENTATION AND MARKING OF PRESSURE PARTS OF THE BOILER
15-02-2022
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
3.1 Inspection
4 General organization
4.1 General
4.2 Conformity assessment
4.3 Competency of the manufacturer
4.4 Calibration of equipment
4.5 Inspection activities
5 Non-destructive examination of parent materials
6 Approval of welding procedure specification
6.1 General
6.2 Application of EN 288-3
7 Welder and welding operator approval
8 Production control test plates for drums
8.1 General
8.2 Number of production control test plates
8.3 Tests required
8.4 Acceptance criteria
8.5 Non-conformance of results
9 Non-destructive examination of welds
9.1 Type and extent of non-destructive examination
9.2 Qualification of non-destructive examination
personnel
9.3 The detection of surface imperfections
9.4 The detection of volumetric imperfection
9.5 Non-destructive examination report
10 Final inspection
10.1 Visual and dimensional examinations
10.2 Hydrostatic pressure test
11 Documentation
12 Marking
Annex A (normative) Chemical recovery boilers
A.1 General
A.2 Special requirements of approval of fusion welding
procedure specification
A.3 Special requirements for welder's approval for
fusion welding of composite tubes
A.4 Special requirements for non-destructive testing
of welds
Annex ZA (informative) Clauses of this European Standard
addressing essential safety requirements or other
provisions of the Pressure Equipment Directive
Bibliography
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