BS EN 74-1. Couplers, spigot pins and baseplates for use in falsework and scaffolds Part 1. Couplers for tubes. Requirements and test procedures
|Standard number:||20/30424612 DC|
|Status:||Draft for Comment|
This standard 20/30424612 DC BS EN 74-1. Couplers, spigot pins and baseplates for use in falsework and scaffolds is classified in these ICS categories:
- 91.220 Construction equipment
This document specifies, for right angle couplers, swivel couplers, sleeve couplers and parallel couplers working by friction:
strength classes with different structural parameters including values for resistance and stiffness;
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.