NA 109
DIN Standards Committee Petroleum and Natural Gas Industries
DIN EN ISO 27509 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| EN 12516-3/AC | 2003-09 | Valves - Shell design strength - Part 3: Experimental method; Amendment AC More |
| EN 12516-4+A1 | 2018-09 | Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel More |
| ISO 4200 | 1991-02 | Plain end steel tubes, welded and seamless; general tables of dimensions and masses per unit length More |
| ISO 7-1 | 1994-05 | Pipe threads where pressure-tight joints are made on the threads - Part 1: Dimensions, tolerances and designation More |
| ISO 9001 | 2015-09 | Quality management systems - Requirements More |
