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  • BSI
    BS EN ISO 8659:2020 Thermoplastics valves. Fatigue strength. Test method
    Edition: 2020
    $281.30
    / user per year

Description of BS EN ISO 8659:2020 2020

This document specifies the endurance test necessary to confirm the ability of hand-operated plastics valves to withstand prolonged use, with repeated opening and closure. It does not specify the ability of valves to withstand adverse conditions, in particular those of chemically aggressive fluid media and/or environments, or excessive fluid velocities and cavitation.

NOTE

Concerning the chemical aggression of the materials, a classification table is reported in ISO/TR 10358 [ 1 ].

This document includes values of the parameters necessary for the proper performance of the endurance test, with the reservation that the parameters are different in particular product standards (see 5.1).



Standard NumberBS EN ISO 8659:2020
TitleThermoplastics valves. Fatigue strength. Test method
StatusDefinitive
Publication Date2020-04-29
ReplacesBS EN 28659:1992
Identical National Standard OfISO 8659, ENISO 8659
DescriptorsTesting conditions, Fluid equipment, Thermoplastic polymers, Plastics, Valves, Mechanical testing, Fatigue testing, Endurance testing, Manually-operated devices
ICS23.060.01 Valves in general, 83.140.30 Plastics pipes and fittings for non fluid use
CommitteePRI/88
ISBN978 0 539 00661 2
PublisherBSI
Pages14

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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