Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 1: Couplers for tubes. Requirements and test proceduresWhat is BS EN 74 1 Couplers for scaffolding tubes about? BS EN 74 1 is the first part of the BS EN 74 series that discusses couplers, spigot pins and baseplates for use in falsework and scaffolds. BS EN 74 1 defines a set of steel and aluminium reference tubes for the required tests. BS EN 74 1 specifies, right angle couplers, swivel couplers, sleeve couplers and parallel couplers working by friction: Materials Design requirements Strength classes

scope and authority of an organization and the operational context

with a density from 230 kg/m3 to 400 kg/m3

Material selection is the act of choosing the material best suited to achieve the requirements of a given application

Annex B reports

The method is not applicable to the sampling of mercury

BS EN IEC 61158-3-19:2019 supersedes BS EN 61158-3-19:2014

With the help of BS CECC 123500-003

and for squareness of door leaves

The range of nominal sizes covered in BS EN 16767:

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Limits have been introduced for the variation from the manufacturer’s stated nominal value of the branch angle of junctions

or desirable