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DIN Standards Committee Building and Civil Engineering

Overview

This European Standard specifies the testing equipment and procedure for determining the water vapour transmission properties in the steady state under specified test conditions for test specimens of preformed pipe insulation. It is applicable to thermal insulating products. The standard is intended to be used for homogeneous materials and for products which may have certain skins or adhered facings of some different material as integral parts. An insulating material is considered to be homogeneous in terms of mass distribution if its density is approximately the same throughout, that is, if the measured density values are close to its mean density. The water vapour transmission rate and permeance values are specific to the test specimen or the product thickness tested. For homogeneous products, the water vapour permeability is a property of the material. If the pipe insulation is cut from a flat product, then the water vapour transmission properties can be obtained from tests carried out on the flat product with similar properties in accordance with EN 12086. The following modifications have been made with respect to DIN EN 13469:2001-12: a) the content of Annex A "Correction for air pressure variations during test" has been included in the main part of the standard and Annex A has been deleted; b) the document has been editorially updated. This standard has been prepared by CEN/TC 88 "Thermal insulating materials and products", secretariat: DIN, Germany. The responsible national committee at the Building and Civil Engineering Standards Committee is NA 005-56-69 AA "Dämmstoffe für betriebstechnische Anlagen in Gebäuden und in der Industrie" ("Thermal insulation materials for building equipment and industrial installations").

Document: references other documents

Document: referenced in other documents

Responsible national committee

NA 005-56-69 AA - Thermal insulation materials for building equipment and industrial installations (national mirror committee for CEN/TC 88/WG 10, ISO/TC 163/SC 1/WG 20 and ISO/TC 163/SC 3 (partly))  

Responsible european committee

CEN/TC 88/WG 10 - Building equipment and industrial installations