High-strength structural bolting assemblies for preloading - System HR or HV. Direct tension indicators for bolt and nut assemblies Ingestion-build-135476 Relationship between this European Standard

Relationship between this European Standard and the EssentialRequirements of EU Directive 2006/42/EC"

NOTE    A gangway serves as walkway between the passenger vessel and the shore

A set of certified weights covering the entire working range of a weighing device simplifies the process of verifying its state of calibration

— indications of physical dimensions

Guided stress waves used for NDT are sonic or ultra-sonic waves which travel along an object and are guided by its surfaces or shape

High-strength structural bolting assemblies for preloading - System HR or HV. Direct tension indicators for bolt and nut assemblies Ingestion-build-135476 Relationship between this European Standard1 Scope This document specifies, together with EN 143991 and EN 143992, the requirements for direct tension indicators, nut face washers (HN) and bolt face washers (HB) as part of high strength structural bolting assemblies suitable for preloaded joints. These direct tension indicators are specified as part of high strength structural bolting assemblies of system HR or HV in accordance with EN 143993, EN 143994, EN 143997 or EN 143998, with nominal