Norm

NEN-EN 74-1:2003 Ontw. en

Koppelingen, spieën en grondplaten voor het gebruik in stalen-buis-steigers - Deel 1: Koppelingen voor buizen - Eisen en beproevingsmethoden

  • Deze norm is ingetrokken sinds 26-10-2005

29,20

Over deze norm

Status Ingetrokken
Aantal pagina's 30
Gepubliceerd op 01-01-2003
Taal Engels
EN 74-1 specifies for right angle couplers, swivel couplers, sleeve couplers and parallel couplers working by friction _ materials _ design requirements _ strength classes with different structural parameters including specified values for resistances and stiffnesses which a coupler has to achieve. _ test procedures _ assessment _ recommendations for on-going production control. These couplers are principally used in the construction of falsework and scaffolds consisting essentially of loose nominal 48.3 mm diameter steel or aluminium tubes and couplers. These couplers are also used for connecting Ø 48.3 steel and/or aluminium loose tubes to Ø 48.3 mm steel and/or aluminium tubes used in the construction of prefabricated falsework and scaffold system components. For testing screw couplers are tightened with a torque of 50 Nm and wedge couplers are tightened with a 500 g hammer.

Details

ICS-code 91.220
Nederlandse titel Koppelingen, spieën en grondplaten voor het gebruik in stalen-buis-steigers - Deel 1: Koppelingen voor buizen - Eisen en beproevingsmethoden
Engelse titel Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 1: Couplers for tubes - Requirements and test procedures
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