Pipe specifications of the circulation system

Pipes are insulated in unheated spaces and/or crawl spaces

 EPG
In this box it can be indicated whether the pipes in unheated spaces and/or crawl spaces in houses are insulated. This parameter affects the correction of the internal distribution efficiency. It also affects the distribution efficiency in non-residential buildings, which indicates whether the pipes in the system have been insulated.

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NEN 7120, Tables 14.3 and 14.5

http://www.nen.nl/web/Normshop/Norm/NEN-7120C22012-nl.htm

Location of pipes

 EPG
The structure of the distribution network for housing is specified here. This pipe structure contributes to the determination of the distribution efficiency.

      Pipes along the facade

      Insulated distributor

      Uninsulated distributor

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NEN 7120, Table 14.2

http://www.nen.nl/web/Normshop/Norm/NEN-7120C22012-nl.htm