BSI 13/30280712 DC:2013 Edition
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BS EN 1111. Sanitary Tapware. Thermostatic Mixing Valves (PN 10). General Technical Specification
Published By | Publication Date | Number of Pages |
BSI | 2013 | 54 |
PDF Catalog
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 |