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CEN
EN ISO 15758:2014

EN ISO 15758:2014

Current

Current

The latest, up-to-date edition.

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

Published date

05-07-2014

Publisher

Comite Europeen de Normalisation

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Calculation formulae
5 Boundary conditions
6 Calculation procedure
Annex A (informative) - Examples
Annex B (informative) - System with capacity for
        drying and experimental determination of
        evaporation rate from surface of wet wick
        fabric
Bibliography

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.

Committee
CEN/TC 89
DevelopmentNote
Supersedes EN 14114. (05/2014)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current
Supersedes

PREN 14313 : DRAFT 2015 THERMAL INSULATION PRODUCTS FOR BUILDING EQUIPMENT AND INDUSTRIAL INSTALLATIONS - FACTORY MADE POLYETHYLENE FOAM (PEF) PRODUCTS - SPECIFICATION
DIN EN 14313 E : 2016 THERMAL INSULATION PRODUCTS FOR BUILDING EQUIPMENT AND INDUSTRIAL INSTALLATIONS - FACTORY MADE POLYETHYLENE FOAM (PEF) PRODUCTS - SPECIFICATION
15/30315069 DC : DRAFT MAY 2015 BS EN 14313 - THERMAL INSULATION PRODUCTS FOR BUILDING EQUIPMENT AND INDUSTRIAL INSTALLATIONS - FACTORY MADE POLYETHYLENE FOAM (PEF) PRODUCTS - SPECIFICATION
UNE-EN 14313:2017 Thermal insulation products for building equipment and industrial installations - Factory made polyethylene foam (PEF) products - Specification
I.S. EN 14313:2015 THERMAL INSULATION PRODUCTS FOR BUILDING EQUIPMENT AND INDUSTRIAL INSTALLATIONS - FACTORY MADE POLYETHYLENE FOAM (PEF) PRODUCTS - SPECIFICATION
EN 14313:2015 Thermal insulation products for building equipment and industrial installations - Factory made polyethylene foam (PEF) products - Specification
DIN EN 14313:2016-03 THERMAL INSULATION PRODUCTS FOR BUILDING EQUIPMENT AND INDUSTRIAL INSTALLATIONS - FACTORY MADE POLYETHYLENE FOAM (PEF) PRODUCTS - SPECIFICATION
BS EN 14313 : 2009 THERMAL INSULATION PRODUCTS FOR BUILDING EQUIPMENT AND INDUSTRIAL INSTALLATIONS - FACTORY MADE POLYETHYLENE FOAM (PEF) PRODUCTS - SPECIFICATION

ISO 13788:2012 Hygrothermal performance of building components and building elements — Internal surface temperature to avoid critical surface humidity and interstitial condensation — Calculation methods
ISO 9346:2007 Hygrothermal performance of buildings and building materials — Physical quantities for mass transfer — Vocabulary
DIN 4140:2014-04 Insulation work on industrial installations and building equipment - Execution of thermal and cold insulations
ISO 12572:2016 Hygrothermal performance of building materials and products Determination of water vapour transmission properties Cup method
ISO 12241:2008 Thermal insulation for building equipment and industrial installations Calculation rules
AGI Q 112 : 1980

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