NEN-EN 1092-4
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 4: Aluminium alloy flanges
| Organization: | NEN |
| Publication Date: | 1 June 2002 |
| Status: | active |
| Page Count: | 22 |
| ICS Code (Flanges, couplings and joints): | 23.040.60 |
scope:
Specifies requirements for PN designated circular flanges for pipes, valves, fitting and accessories made from aluminium alloy in the range of DN 15 to DN 600 and PN 10 t PN 63. This standard specifies the types of flanges and their facings, dimensions and tolerances, bolt sizes, surface finish of faces, marking and materials together with associated P/T ratings. The flanges are intended to be used for pipework as well as for pressure vessels.
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