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ONORM EN 74-1:2025
Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 1: Couplers for tubes - Requirements and test procedures
This document specifies for standard couplings, rotary couplings, butt couplings, and parallel couplings, each with frictional engagement: — materials; — design requirements; — strength classes with various design parameters, including resistance and stiffness values; — test procedure; — assessment; and provides — recommendations for continuous production control. These couplings are intended for use in temporary structures, e.g., in working scaffolds erected in accordance with EN 12811-1 and in falsework erected in accordance with EN 12812.
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Austrian Standards Institute [on]