ČSN EN 1111

Detailinformationen

Bezeichnung: ČSN EN 1111

Ausgabedatum: 01.06.2026

Seiten: 64

Land: Tschechische technische Norm

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Annotation

This document specifies general construction, performance and material requirements for PN 10 thermostatic mixing valves (TMV) and includes test methods for the verification of mixed water temperature performance at the point of use below 45 °C. This does not exclude the selection of higher temperatures where available. When these devices are used to provide anti-scald protection for children, elderly and disabled persons, the mixed water temperature needs to be set at a suitable temperature (body temperature approximately 38 °C). In particular children are at risk to scalding at lower temperatures than adults. This does not obviate the need for supervision of young children.
It applies to valves intended for use on sanitary appliances in kitchens, washrooms (incl. all rooms with sanitary tapware, e.g. toilets and cloakrooms) and bathrooms operating under the conditions specified in Table 1.
This document allows TMVs to supply a single outlet or a small number of outlets in a "domestic" application (e.g. one valve controlling a shower, bath, basin and/or bidet), excluding valves specifically designed for supplying a large number of outlets (i.e. for institutional use).
The tests described are type tests (laboratory tests) and not quality control tests carried out during manufacture.
Table 1 - Conditions of use
Supply Operating range
limits recommended
Pressure
- Static >= 1 MPa [>= 10 bar]
- Dynamic >= 0,05 MPa [>=0,5 bar] (0,1 to 0,5) MPa [(1 to 5) bar]
Temperature
- Hot <= 70 °C <= 65 °C
- Cold <= 25 °C