NEN-EN 74-1
Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 1: Couplers for tubes - Requirements and test procedures
| Organization: | NEN |
| Publication Date: | 1 October 2005 |
| Status: | inactive |
| Page Count: | 46 |
| ICS Code (Construction equipment): | 91.220 |
scope:
This European Standard 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 values for resistance and stiffness; .test procedures; .assessment; and gives .recommendations for ongoing production control. For testing, screw couplers are tightened to a torque of 50 Nm and wedge couplers are tightened with a 500 g hammer until the jarring blow.
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