prSSH EN 74-1:2022+A1:2025

Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 1: Couplers for tubes - Requirements and test procedures

Scope

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.