Homepage>21/30442045 DC BS EN 1759-4. Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, Class designated Part 4. Aluminium alloy flanges
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sklademVydáno: 2021-12-16
21/30442045 DC
BS EN 1759-4. Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, Class designated Part 4. Aluminium alloy flanges
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Označení normy:
21/30442045 DC
Počet stran:
22
Vydáno:
2021-12-16
Status:
Draft for Comment
DESCRIPTION
21/30442045 DC
This standard 21/30442045 DC BS EN 1759-4. Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, Class designated is classified in these ICS categories:
23.040.60 Flanges, couplings and joints
This document specifies requirements for Class designated circular flanges for pipes, valves, fittings and accessories made from aluminium alloy in the range of DN 15 to DN 600 (NPS 1/2 to NPS 24) and Class 150 to Class 300 (see Table 1). This document specifies the types of flanges and their facings, dimensions and tolerances, bolt sizes, surface finish of jointing faces, marking and materials together with associated pressure temperature (p/T) ratings. The flanges are intended to be used for piping as well as for pressure vessels.
