PREN 1287 : DRAFT 2015

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Classification, designation
6 Designation
7 Marking/Identification
8 Materials
9 Dimensional characteristics
10 Backflow protection
11 Test sequence
12 Leaktightness
13 Performance
14 Pressure Resistance
15 Torsional resistance of the operating controls
16 Mechanical endurance characteristics
Annex A (normative) - Test Set-up Descriptions
Annex B (normative) - Measurements
Annex C (informative) - Temperature transit
Annex D (normative)
Bibliography

Defines 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 degrees C.