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EN ISO 15758:2014

Hygrothermal performance of building equipment and industrial installations - Calculation of water vapour diffusion - Cold pipe insulation systems (ISO 15758:2014) EN ISO 15758:2014

Publication date:   Sep 19, 2014

General information

60.60 Standard published   May 7, 2014

CEN

CEN/TC 89 Thermal performance of buildings and building components

European Norm

91.120.10   Thermal insulation of buildings | 91.140.01   Installations in buildings in general

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Scope

ISO 15758:2014 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. The 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.
ISO 15758:2014 is applicable when the temperature of the medium in the pipe is above 0 °C. It applies to pipes inside buildings as well as in the open air.

Life cycle

PREVIOUSLY

WITHDRAWN
EN 14114:2002

NOW

PUBLISHED
EN ISO 15758:2014
60.60 Standard published
May 7, 2014