ISO-8659 Thermoplastics valves - Fatigue strength - Test method

ISO-8659 - 2ND EDITION - CURRENT
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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).

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To find similar documents by classification:

23.060.01 (Valves in general)

83.140.30 (Plastics pipes and fittings for non fluid use Plastics pipes, fittings and valves for general use, see 23.040.20, 23.040.45 and 23.060)

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Document Number

ISO 8659:2020

Revision Level

2ND EDITION

Status

Current

Publication Date

April 1, 2020

Committee Number

ISO/TC 138/SC 7