NA 119
DIN Standards Committee Water Practice
DIN 4057 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN ISO 2768-1 | 1991-06 | General tolerances; tolerances for linear and angular dimensions without individual tolerance indications; identical with ISO 2768-1:1989 More |
| DIN 4055 | 2020-07 | Water pipelines - Valve boxes for underground hydrants More |
| DIN 4056 | 2020-07 | Water pipelines - Valve boxes for stop valves More |
| DVGW GW 4 | 1986-03 | Technical rules for surface boxes More |
