DIN Standards Committee Heating and Ventilation Technology and their Safety
DIN EN 253
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene; German version EN 253:2009+A1:2013
Fernwärmerohre - Werkmäßig gedämmte Verbundmantelrohrsysteme für direkt erdverlegte Fernwärmenetze - Verbund-Rohrsystem, bestehend aus Stahl-Mediumrohr, Polyurethan-Wärmedämmung und Außenmantel aus Polyethylen; Deutsche Fassung EN 253:2009+A1:2013
Overview
This Amendment has become necessary as the requirements in subclause 4.2.2 relating to the tolerances on diameter and out-of-roundness of steel service pipes have been rendered more precise and Annex C "Calculated Continuous Operating Temperature (CCOT)" has been revised.
Document: references other documents
Document: referenced in other documents
Responsible national committee
NA 041-01-12 AA - District heating and cooling systems (SpA CEN/TC 107 & ISO/TC 341)