NBN EN 1591-4 : 2013
Current
Current
The latest, up-to-date edition.
FLANGES AND THEIR JOINTS - PART 4: QUALIFICATION OF PERSONNEL COMPETENCY IN THE ASSEMBLY OF THE BOLTED CONNECTIONS OF CRITICAL SERVICE PRESSURIZED SYSTEMS
Published date
11-20-2013
Publisher
Pertains to the bolting technicians, and their supervisors, the responsible engineers, who disassemble, assemble and tighten the bolted connections of whatever shape of critical service pressurised systems.
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