NA 041

DIN Standards Committee Heating and Ventilation Technology and their Safety

DIN EN 253 [Withdrawn] references following documents:

Document number Edition Title
EN ISO 8497 1996-08 Thermal insulation - Determination of steady-state thermal transmission properties of thermal insulation for circular pipes (ISO 8497:1994) More 
EN 728 1997-01 Plastics piping and ducting systems - Polyolefin pipes and fittings - Determination of oxidation induction time More 
ISO 3127 1994-12 Thermoplastics pipes - Determination of resistance to external blows - Round-the-clock method More 
ISO 9329-1 1989-07 Seamless steel tubes for pressure purposes; technical delivery conditions; part 1: unalloyed steels with specified room temperature properties More 
ISO 9330-1 1990-11 Welded steel tubes for pressure purposes; technical delivery conditions; part 1: unalloyed steel tubes with specified room temperatures properties More