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Homepage>BS Standards>23 FLUID SYSTEMS AND COMPONENTS FOR GENERAL USE>23.060 Valves>23.060.01 Valves in general>19/30376356 DC BS EN ISO 8659. Thermoplastics valves. Fatigue strength. Test method
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immediate downloadReleased: 2019-04-23
19/30376356 DC BS EN ISO 8659. Thermoplastics valves. Fatigue strength. Test method

19/30376356 DC

BS EN ISO 8659. Thermoplastics valves. Fatigue strength. Test method

CURRENCY
LANGUAGE
English
Standard number:19/30376356 DC
Pages:13
Released:2019-04-23
Status:Draft for Comment
DESCRIPTION
This standard 19/30376356 DC BS EN ISO 8659. Thermoplastics valves. Fatigue strength. Test method is classified in these ICS categories:
  • 23.060.01 Valves in general
  • 83.140.30 Plastics pipes and fittings for non fluid use

This International Standard 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

For what concern the chemical aggression of the materials, a classification table is reported in ISO TR 10358[1].

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


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