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  • BSI
    20/30412494 DC BS EN ISO 8233. Thermoplastics valves. Torque. Test method
    Edition: 2020
    $44.66
    / user per year

Description of 20/30412494 DC 2020

This International Standard specifies a test method for the determination of the opening and closing torque of thermoplastics valves.

This International Standard applies to all types of thermoplastics valves intended to be used for the transport of fluids according to ISO 16135, ISO 16136, ISO 16138, ISO 16139, ISO 21787.

It does not specify the relationship between the torque and its possible increase after valve prolonged use at specific working condition or materials wear/chemical aggression.

NOTE

Concerning the chemical aggression of the materials, a collection of data is reported in ISO/TR 10358[1], concerning the endurance test necessary to confirm the ability of hand-operated plastics valves to withstand prolonged use, with repeated opening and closure, information are given in ISO 8659[2].



Standard Number20/30412494 DC
TitleBS EN ISO 8233. Thermoplastics valves. Torque. Test method
StatusDefinitive
Publication Date2020-08-17
Identical National Standard OfISO/DIS 8233
DescriptorsPolymers, Thermoplastic resins, Thermoplastic polymers, Fluid equipment, Valves
ICS23.060.01 Valves in general, 83.140.30 Plastics pipes and fittings for non fluid use
CommitteePRI/88/2
PublisherBSI
Pages13

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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