ČSN EN ISO 3949

Plastové hadice a hadice s koncovkami - Hadice pro hydrauliku s přízovou výztuží - Specifikace (Norma k přímému použití jako ČSN).

Dostupné jazyky: Anglicky

Dostupné provedení: Tištěné

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Podrobné informace

Označení: ČSN EN ISO 3949

Datum vydání: 01.02.2021

Stran: 24

Země: Česká technická norma

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Anotace

This document specifies requirements for three types of textile-reinforced thermoplastics hoses and hose assemblies of nominal size from 3,2 to 25. Each type is divided into two classes dependent on electrical conductivity requirements.
They are suitable for use with:
- oil-based hydraulic fluids HH, HL, HM, HR and HV as defined in ISO 6743-4 at temperatures ranging from -40 °C to +93 °C;
- water-based fluids HFC, HFAE, HFAS and HFB as defined in ISO 6743-4 at temperatures ranging from 0 °C to +60 °C
- water at temperatures ranging from 0 °C to +60 °C.
This document does not include any requirements for end fittings. It is limited to the performance of hoses and hose assemblies.
It is the responsibility of the user, in consultation with the hose manufacturer, to establish the compatibility of the hose with the fluid to be used

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