NA 044

DIN Standards Committee Refrigeration Technology

DIN EN ISO 21922 [Withdrawn] references following documents:

Document number Edition Title
ISO 5149-3 2014-04 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site More 
ISO 5149-4 2022-11 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovery More 
ISO 5817 2023-02 Welding - Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) - Quality levels for imperfections More 
ISO 6708 1995-07 Pipework components - Definition and selection of DN (nominal size) More 
ISO 683-4 2016-07 Heat-treatable steels, alloy steels and free-cutting steels - Part 4: Free-cutting steels More 
ISO 7268 AMD 1 1984-07 Amendment 1-1984 More 
ISO 898-1 2013-01 Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread More 
ISO 898-2 2022-09 Fasteners - Mechanical properties of fasteners made of carbon steel and alloy steel - Part 2: Nuts with specified property classes More 
ISO 9606-2 2004-12 Qualification test of welders - Fusion welding - Part 2: Aluminium and aluminium alloys More 
2014/68/EU ; DGRL:2014-05-15 ; PED:2014-05-15 2014-05-15 Directive 2014/68/EU of the European Parliament and of the Council of 15 May 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of pressure equipment More