NA 044
DIN Standards Committee Refrigeration Technology
DIN EN ISO 21922 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| EN 1652 | 1997-12 | Copper and copper alloys - Plate, sheet, strip and circles for general purposes More |
| EN 1653 | 1997-12 | Copper and copper alloys - Plate, sheet and circles for boilers, pressure vessels and hot water storage units More |
| EN 764-4 | 2014-12 | Pressure equipment - Part 4: Establishment of technical delivery conditions for metallic materials More |
| EN 764-5 | 2014-12 | Pressure equipment - Part 5: Inspection documentation of metallic materials and compliance with the material specification More |
| IEC 60534-2-1 | 2011-03 | Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions More |
| ISO 10474 | 2013-07 | Steel and steel products - Inspection documents More |
| ISO 15607 | 2019-10 | Specification and qualification of welding procedures for metallic materials - General rules More |
| ISO 3506-1 | 2020-04 | Fasteners - Mechanical properties of corrosion-resistant stainless steel fasteners - Part 1: Bolts, screws and studs with specified grades and property classes More |
| ISO 3506-2 | 2020-04 | Fasteners - Mechanical properties of corrosion-resistant stainless steel fasteners - Part 2: Nuts with specified grades and property classes More |
| ISO 5149-2 | 2014-04 | Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation More |
