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ONORM EN ISO 16136:2020
Industrial valves - Butterfly valves of thermoplastics materials (ISO 16136:2006 + Amd 1:2019) (consolidated version)
This International Standard defines the requirements for the design, functional features and manufacture of thermoplastic flaps for shutting and regulating, as well as their connection to the piping system, housing materials and pressure/temperature assignments between -40 °C and +120 °C, for a service life of 25 years. It also lays down the appropriate examinations. This international standard applies to hand- and force-operated fittings that are installed in industrial piping systems, regardless of the application area and the medium to be transported.
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Austrian Standards Institute [on]
Austrian Standards Institute [on]