NA 178
DIN Standards Committee for Process and Plant Technology
DIN EN 1591-1 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| EN 1092-3 | 2003-09 | Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories PN designated - Part 3: Copper alloy flanges More |
| EN 1092-4 | 2002-05 | Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 4: Aluminium alloy flanges More |
| ISO 261 | 1998-12 | ISO general purpose metric screw threads - General plan More |
