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BSI 13/30280712 DC:2013 Edition

$13.70

BS EN 1111. Sanitary Tapware. Thermostatic Mixing Valves (PN 10). General Technical Specification

Published By Publication Date Number of Pages
BSI 2013 54
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PDF Pages PDF Title
8 1 Scope
2 Normative references
9 3 Terms and definitions
10 4 Classification, designation
5 Designation
11 6 Marking/Identification
6.1 Marking
6.2 Identification
7 Materials
7.1 Chemical and Hygiene Requirements
7.2 Exposed surface condition and quality of coating
8 Dimensional characteristics
8.1 General remarks
12 8.2 Inlet dimensions
13 Key
15 8.3 Outlet dimensions
16 Key
17 8.4 Mounting dimensions
18 Key
19 8.5 Special cases
8.6 Flexible hoses for shower outlets
8.7 Shower outlets
9 Backflow protection
20 10 Test sequence
11 Leaktightness
11.1 General
11.1.1 Principle
21 11.1.2 Apparatus
11.2 Leaktightness of the obturator and upstream thereof
11.2.1 Procedure
11.2.2 Requirements
11.3 Cross-flow between inlets
11.3.1 General
11.3.2 Procedure
11.3.3 Requirements
22 11.4 Leaktigthness downstream of the obturator
11.4.1 Procedure
11.4.2 Requirements
11.5 Leaktightness of manually operated diverter
11.5.1 Procedure
11.5.2 Requirement
11.6 Leaktightness of diverters with automatic return
11.6.1 Procedure
23 11.6.2 Requirement
12 Performance
12.1 General
12.1.1 Initial Settings
12.1.2 Principle
12.1.3 Apparatus
24 12.1.4 Procedure
12.2 Determination of flow rate
12.2.1 Principle
12.2.2 Procedure
25 12.2.3 Evaluation of the results
12.2.4 Requirements
12.3 Sensitivity
12.3.1 Principle
12.3.2 Procedure
12.3.3 Evaluation of results
26 12.3.4 Requirements
27 12.4 Fidelity
12.4.1 Principle
12.4.2 Procedure
12.4.3 Evaluation of results
12.4.4 Requirements
12.5 Temperature Stability
12.5.1 Temperature control operation
12.5.1.1 Principle
12.5.1.2 Procedure
12.5.1.3 Evaluation of results
28 12.5.1.4 Requirements
12.5.2 Flow rate reduction
12.5.2.1 Principle
12.5.2.2 Procedure
12.5.2.3 Evaluation of results
12.5.2.4 Requirements
12.5.3 Cold supply failure & restoration
12.5.3.1 Principle
12.5.3.2 Procedure
29 12.5.3.3 Evaluation of results
12.5.3.4 Requirements
12.5.3.4.1 Bath outlets
12.5.3.4.2 Other outlets
12.5.4 Supply pressure variation
12.5.4.1 Principle
12.5.4.2 Procedure
12.5.4.3 Evaluation of results
12.5.4.4 Requirements
12.5.4.4.1 Bath outlets
30 12.5.4.4.2 Other and not designated outlets
12.5.5 Supply temperature variation
12.5.5.1 Principle
12.5.5.2 Procedure
12.5.5.3 Evaluation of results
12.5.5.4 Requirements
12.5.5.4.1 Bath outlets
12.5.5.4.2 Other and not designated outlets
12.5.6 Temperature Override Stops
12.5.6.1 Principle
31 12.5.6.2 Procedure
12.5.6.3 Evaluation of results
12.5.6.4 Requirements
13 Pressure Resistance
13.1 General
13.2 Apparatus
13.3 Testing of mechanical performance of the thermostatic mixing valve upstream of the obturator in the closed position.
13.3.1 Procedure
13.3.2 Requirement
32 13.4 Mechanical behaviour downstream of the obturator – Obturator in the open position
13.4.1 Procedure
13.4.2 Requirement
14 Torsional resistance of the operating controls
14.1 General
14.2 Test method
14.2.1 Principle
33 14.2.2 Apparatus
14.2.3 Procedure
14.2.3.1 Flow control
14.2.3.2 Temperature control
14.2.3.3 Temperature override stop
15 Mechanical endurance characteristics
15.1 General
34 15.2 Endurance test for single sequential control device
15.2.1 Principle
15.2.2 Apparatus
15.2.3 Procedure
15.2.4 Requirement
15.3 Endurance test for on/off flow control device operated by rotating the control handle
15.3.1 Principle
35 15.3.2 General
15.4 Endurance test for on/off flow control device, combined with diverter mechanism
15.4.1 Principle
15.4.2 Apparatus
15.4.3 Procedure
15.4.4 Requirement
15.5 Endurance (life) test for other on-off flow control device
15.5.1 Principle
36 15.5.2 Apparatus
15.5.3 Procedure
15.5.4 Requirement
15.6 Mechanical endurance of diverters of thermostatic mixing valves
15.6.1 General
15.6.2 Test method
15.6.2.1 Principle
15.6.2.2 Apparatus
15.6.2.2.1 Manual diverter
37 15.6.2.2.2 Diverter with Automatic Return
15.6.2.3 Procedure
15.6.2.3.1 Manual diverter
15.6.2.3.2 Diverter with automatic return
38 15.6.3 Requirements
15.7 Mechanical endurance of swivel spouts
15.7.1 General
15.7.2 Test method
15.7.2.1 Principle
15.7.2.2 Apparatus
15.7.2.3 Procedure
39 15.7.3 Requirements
15.8 Thermal Element
15.8.1 Principle
15.8.2 Temperature adjustable valves, (single sequential not included)
15.8.2.1 Apparatus
15.8.2.2 Procedure
15.8.2.3 Requirements
15.8.3 Temperature set valves
15.8.3.1 Apparatus
40 15.8.3.2 Procedure
15.8.3.3 Requirements
16 Acoustic characteristics
16.1 General
16.2 Procedure
16.2.1 Fitting and operating conditions for thermostatic mixing valves
16.2.2 Test method
16.2.2.1 General
16.3 Requirements
16.3.1 Expression of results
16.3.2 Determination of acoustic groups
41 16.3.3 Flow rate classes (thermostatic mixing valves Type 1, 2, 3)
42 Annex A (normative) Test Set-up Descriptions
A.1 Inlet pipework
A.1.1 Thermostat endurance
Key
43 A.1.2 Performance
Key
A.2 Outlet pipework
A.2.1 Outlet for valves except atmospheric discharge nozzles
44 Key
Key
45 A.2.2 Outlet for valves with atmospheric discharge nozzles
46 Key
47 Annex B (normative) Measurements
B.1 Pressure
B.2 Flow
B.3 Temperature
B.3.1 Mounting
B.3.2 Accuracy
B.3.3 Rate of change
B.3.4 Response time
B.4 Angular position
B.5 Duration of transients
50 Annex C (informative)
C.1 Positive Temperature Transit
Key
51 C.2 Negative Temperature Transit
Key
52 Annex D (informative) Acoustic classification (example)
D.1 Thermostatic mixing valve with nozzle
D.2 Thermostatic mixing valves with shower or shower head outlet
D.3 Thermostatic mixing valves with nozzle and shower or shower head outlet
BSI 13/30280712 DC
$13.70