Foreword
Introduction
1 Scope
2 Normative references
3 Definition
4 Classification
4.1 Single control mechanical mixing valves
4.2 Other mechanical mixing valves
5 Designation
6 Marking - Identification
6.1 Marking
6.2 Identification
7 Materials
7.1 Chemical and hygienic characteristics
7.2 Exposed surface condition and quality of coating
8 Dimensional characteristics
8.1 General comment on drawing
8.2 Low pressure mechanical mixing valves mounted on
horizontal surfaces
8.3 Mechanical mixing valves mounted on vertical surfaces
8.4 Dimensions of water outlets
8.5 Special cases
9 Leaktightness characteristics
9.1 General
9.2 Test methods
9.3 Leaktightness of the mixing valve upstream of the
obturator and of the obturator
9.4 Leaktightness of the obturator: cross flow between
hot water and cold water
9.5 Leaktightness of the mixing valve downstream from
the obturator
9.6 Leaktightness of manual diverters
9.7 Leaktightness of diverters with automatic return
9.8 Summary of requirements
10 Hydraulic operating characteristics
10.1 General
10.2 Test method
10.3 Apparatus
10.4 Mounting and initial set-up procedure
10.5 Determination of flow rate
10.6 Sensitivity
11 Mechanical performance under pressure
11.1 General
11.2 Apparatus
11.3 Testing the mechanical performance upstream of
the obturator - Obturator in the closed position
11.4 Testing the mechanical performance downstream of the
obturator - Obturator in the open position
12 Mechanical endurance characteristics
12.1 Mechanical endurance of the control device
12.2 Mechanical endurance of diverters
12.3 Mechanical endurance of swivel nozzles
13 Torsion resistance characteristics of the control
13.1 General
13.2 Test method
14 Protection against pollution of drinking water
Annex A (normative) Design of reducing adapters
Annex B (informative) Examples of pressure take-off tees
Annex C (informative) Low hydraulic resistance fittings
Annex D (informative) Summary of leaktightness tests