DIN Standards Committee Building and Civil Engineering
DIN EN ISO 15758
Hygrothermal performance of building equipment and industrial installations - Calculation of water vapour diffusion - Cold pipe insulation systems (ISO 15758:2014); German version EN ISO 15758:2014
Wärme- und feuchtetechnisches Verhalten von haus- und betriebstechnischen Anlagen - Berechnung der Wasserdampfdiffusion - Dämmung von Kälteleitungen (ISO 15758:2014); Deutsche Fassung EN ISO 15758:2014
Overview
This standard specifies a method for calculating the density of the water vapour flow rate in cold pipe insulation systems, and the total amount of water diffused into the insulation over time. This calculation method presupposes that water vapour can only migrate into the insulation system by diffusion, with no contribution from airflow. It also assumes the use of homogeneous, isotropic insulation materials so that the water vapour partial pressure is constant at all points equidistant from the axis of the pipe. The standard is applicable to pipes inside buildings as well as in the open air when the temperature of the medium in the pipe is above 0 °C. The committee responsible for this standard is NA 005-56-10 AA "Dämmarbeiten an technischen Anlagen" ("Insulation work for industrial installations") at DIN.
Document: references other documents
Responsible national committee
Responsible european committee
CEN/TC 89 - Thermal performance of buildings and building components
