ISO 12628:2022
Thermal insulating products for building equipment and industrial installations — Determination of dimensions, squareness and linearity of preformed pipe insulation
This document specifies the equipment and procedures for determining the dimensions, squareness and linearity of preformed pipe insulation, supplied in one piece, half sections or segments. It is applicable to thermal insulating products.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 For circumference, outside and inside diameter and thickness
5.2 For length
5.3 For deviation from squareness
5.4 For deviation from linearity
5.5 For circular segment chord
6 Test specimens
6.1 Dimensions of test specimens
6.2 Number of test specimens
6.3 Conditioning of test specimens
7 Procedure
7.1 Test conditions
7.2 Test procedure
7.2.1 General
7.2.2 Circumference — Outside diameter, inside diameter, wall thickness, inner chord
7.2.3 Length
7.2.4 Deviation from squareness
7.2.5 Deviation from linearity
8 Calculation and expression of results
8.1 Outside diameter and inside diameter
8.2 Thickness
8.3 Thickness uniformity
8.4 Length
8.5 Deviation from squareness
8.6 Deviation from linearity
9 Accuracy of measurement
10 Test report
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Related Information
Similar Standards
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BS 2972:1989
Methods of test for inorganic thermal insulating materials
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BS 3958-1:1982
Thermal insulating materials, Magnesia preformed insulation
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BS 3958-2:1982
Thermal insulating materials, Calcium silicate preformed insulation
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BS 3958-4:1982
Thermal insulating materials, Bonded preformed man-made mineral fibre pipe sections
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 For circumference, outside and inside diameter and thickness
5.2 For length
5.3 For deviation from squareness
5.4 For deviation from linearity
5.5 For circular segment chord
6 Test specimens
6.1 Dimensions of test specimens
6.2 Number of test specimens
6.3 Conditioning of test specimens
7 Procedure
7.1 Test conditions
7.2 Test procedure
7.2.1 General
7.2.2 Circumference — Outside diameter, inside diameter, wall thickness, inner chord
7.2.3 Length
7.2.4 Deviation from squareness
7.2.5 Deviation from linearity
8 Calculation and expression of results
8.1 Outside diameter and inside diameter
8.2 Thickness
8.3 Thickness uniformity
8.4 Length
8.5 Deviation from squareness
8.6 Deviation from linearity
9 Accuracy of measurement
10 Test report