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BS EN 958:2024

BS EN 958:2024

$142.49

Mountaineering equipment. Energy absorbing systems for use in klettersteig (via ferrata) climbing. Safety requirements and test methods

Published By Publication Date Number of Pages
BSI 2024 28
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This document specifies safety requirements and test methods for energy absorbing systems (EAS) for use on suitable via ferrata (e.g. EN 16869:2017), for users weighing not less than 40 kg (total weight without equipment) and no more than 120 kg (total weight including the equipment). NOTE This document is one of a package of standards for mountaineering equipment, see Annex A.

PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Safety requirements
4.1 Design
4.1.1 Construction
4.1.1.1 General
4.1.1.2 Distance between the two arm extremities
4.1.1.3 Overall length of EAS
4.1.1.4 Elastic arm elongation
12 4.1.2 Connecting device
4.1.3 Connection to the safety line
4.1.4 Initial arrangement
4.1.5 Rest attachment point
4.2 Operation of the EAS
4.2.1 General
13 4.2.2 Force to initiate operation
4.2.3 Dynamic performance
4.2.4 Dynamic strength of the EAS under wet conditions
4.3 Static strength of the energy absorbing system
4.3.1 General
14 4.3.2 Static strength of the whole system
4.3.3 Breaking strength of the components of elasticated arms
4.3.4 Breaking strength of the textile components of non-elasticated arms and harness attachment point
4.3.5 Energy absorber initiation force
4.3.6 Breaking strength of the rest attachment point
5 Test methods
5.1 Design
5.1.1 General
5.1.2 Measurement of the distance between the two arm extremities
5.1.3 Measurement of the overall length of the EAS
15 5.1.4 Elastic arm static elongation method
5.2 Operation tests
5.2.1 General
5.2.2 Conditioning and test conditions for energy absorbing systems with textile components
5.2.3 Apparatus
5.2.3.1 Force measuring device
17 5.2.3.2 Dimensional constraints on the falling mass and timing points
5.2.3.3 Characteristics of the extension lanyard
18 5.2.4 Dynamic strength tests
5.2.4.1 General
5.2.4.2 Determination of the static force to initiate operation
5.2.4.3 Dynamic performance in dry condition
20 5.2.4.4 Dynamic performance under wet condition
5.3 Static strength and fatigue tests
5.3.1 Determination of static strength of the whole system
5.3.2 Fatigue test for elasticated arms
5.3.2.1 Sampling
5.3.2.2 Fatigue test
21 5.3.2.3 Breaking strength of elasticated arms after the fatigue test
5.3.3 Breaking strength of the textile components of non-elasticated arms
5.3.3.1 Sampling
5.3.3.2 Breaking test
5.3.4 Breaking test of the rest attachment point
22 6 Marking
7 Manufacturer’s instructions and information
24 Annex A (informative)Standards on mountaineering equipment
26 Annex ZA(informative)Relationship between this European Standard and the essential requirements of Regulation (EU) 2016/425 aimed to be covered

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BS EN 958:2024
$142.49