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.