EVS-EN 74-1:2022+A1:2025

This document 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.
These couplers are intended for use in temporary works equipment for example in scaffolds erected in accordance with EN 12811-1 and falsework erected in accordance with EN 12812.