NA 109
DIN Standards Committee Petroleum and Natural Gas Industries
Standards
[CURRENT]
EN 1591-4
EN 1591-4
Flanges and their joints - Part 4: Qualification of personnel competency in the assembly of the bolted connections of critical service pressurized systems
Title (German)
Flansche und ihre Verbindungen - Teil 4: Qualifizierung der Befähigung von Personal zur Montage von Schraubverbindungen in druckbeaufschlagten Systemen im kritischen Einsatz
Responsible national committee
NA 082-00-16 AA - Flanges and their joints; Mirror committee to CEN/TC 74