BS EN 817-2008 Sanitary tapware. Mechanical mixing valves (PN 10). General technical specifications1.pdf
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1、BS EN 817:2008 ICS 91.140.70, NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Sanitary tapware Mechanical mixing valves (PN 10) General technical specifications Incorporating Corrigendum January 2009 Licensed copy: The University of Hong Kong, The University o
2、f Hong Kong, Version correct as of 18/04/2009 01:54, (c) BSI This British Standard was published under the authority of the Standards Policy and Strategy Committee on 3 ember 2008 BSI 2009 ISBN 978 0 580 66666 7 Amendments/corrigenda issued since publication DateComments BS EN 817:2008 National fore
3、word This British Standard is the UK implementation of EN 817:2008. It supersedes BS EN 817:1998 and which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee B/504/8, Sanitary tapware. A list of organizations represented on this committee can be obtained on re
4、quest to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. 1 Dec 31 200 Correction to low resolution 9January ima
5、ges Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 18/04/2009 01:54, (c) BSI BS EN 817:2008 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 817 June 2008 ICS 91.140.70Supersedes EN 817:1997 English Version Sanitary tapware - Mechanical mixing valv
6、es (PN 10) - General technical specifications Robinetterie sanitaire - Mitigeurs mcaniques (PN 10) - Spcifications techniques gnrales Sanitrarmaturen - Mechanisch einstellbare Mischer (PN 10) - Allgemeine technische Spezifikation This European Standard was approved by CEN on 29 May 2008. CEN members
7、 are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application
8、to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the
9、same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal
10、, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CENAll rights of exploitation in any form and by any means re
11、served worldwide for CEN national Members. Ref. No. EN 817:2008: E Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 18/04/2009 01:54, (c) BSI BS EN 817:2008 EN 817:2008 (E) 2 Contents page Foreword6 Introduction.7 1 Scope 8 2 Normative references10 3 Ter
12、ms, definitions and designation.10 3.1 Terms and definitions .10 3.2 Designation 11 4 Marking and identification11 4.1 Marking.11 4.2 Identification.12 5 Materials .12 5.1 Chemical and hygiene requirements.12 5.2 Exposed surface conditions.12 6 Dimensional characteristics.12 6.1 General remarks.12 6
13、.2 Inlet dimensions.12 6.3 Outlet dimensions17 6.4 Mounting dimensions19 6.5 Special cases .20 6.6 Flexible hoses for shower outlets20 6.7 Shower outlets.20 7 Sequence of testing.21 8 Leaktightness characteristics21 8.1 General21 8.2 Test methods21 8.3 Leaktightness of the obturator and of the mixin
14、g valve upstream of the obturators with the obturator in the closed position.22 8.4 Leaktightness of the mixing valve downstream of the obturator with the obturator open .22 8.5 Leaktightness of manually operated diverter.22 8.6 Leaktightness and operation of diverter with automatic return.23 8.7 Le
15、aktightness of the obturator: cross flow between hot water and cold water24 9 Pressure resistance characteristics mechanical performance under pressure26 9.1 General26 9.2 Principle26 9.3 Apparatus.26 9.4 Mechanical behaviour upstream of the obturator obturator in the closed position26 9.5 Mechanica
16、l behaviour downstream of the obturator obturator in the open position .26 10 Hydraulic characteristics27 10.1 General27 10.2 Initial settings.27 10.3 Principle28 10.4 Apparatus.28 10.5 Procedure.28 10.6 Determination of flow rate 29 10.7 Determination of sensitivity30 11 Mechanical strength charact
17、eristics - torsion test for operating mechanism 33 Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 18/04/2009 01:54, (c) BSI w w w . b z f x w . c o m BS EN 817:2008 EN 817:2008 (E) 3 11.1 General33 11.2 Test method .33 12 Mechanical endurance character
18、istics34 12.1 Mechanical endurance of the control device34 12.2 Mechanical endurance of diverters .38 12.3 Mechanical endurance of swivel spouts.40 13 Backflow protection 41 14 Acoustic characteristics.41 14.1 General41 14.2 Procedure.41 14.3 Requirements.41 Annex A (informative) Apparatus 43 Annex
19、B (informative) Pressure take-off tee.47 Bibliography50 Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 18/04/2009 01:54, (c) BSI w w w . b z f x w . c o m BS EN 817:2008 EN 817:2008 (E) 4 Figures Figure 1 Supply system with a pressure range of (0,05 to
20、 1,0) MPa (0,5 to 10) bar.9 Figure 2 Flexible hoses and plain tube.14 Figure 3 Multi-hole mechanical mixing valve.15 Figure 4 Supply connections for mechanical mixing valve and remote outlets 16 Figure 5 Remote outlet .18 Figure 6 Single hole mechanical mixing valve.18 Figure 7 Two hole mechanical m
21、ixing valve 18 Figure 8 Single hole mechanical mixing valve.19 Figure 9 Two hole mechanical mixing valve 20 Figure 10 Sensitivity curve.31 Figure 11 Radius for the determination of sensitivity.32 Figure 12 Rectangular movement .34 Figure 13 Triangular movement.35 Figure 14 Test bench adjustment torq
22、ue for conventionnal mixing valve37 Figure 15 Test bench adjustment torque for joystick mixing valve.37 Figure 16 Test bench adjustment torque for sequential mixing valve37 Figure A 1 Supply circuits43 Figure A 2 Test circuit.45 Figure A 3 Mounting of the mixing valve46 Figure B 1 Pressure take-off
23、tee47 Figure B 2 Schematic examples of pressure take-off tees .48 Licensed copy: The University of Hong Kong, The University of Hong Kong, Version correct as of 18/04/2009 01:54, (c) BSI w w w . b z f x w . c o m BS EN 817:2008 EN 817:2008 (E) 5 Tables Table 1 Conditions of use/Classifications8 Tabl
24、e 2 Designation 11 Table 3 Inlet dimensions (mechanical mixing valve).13 Table 4 Outlet dimensions (Remote outlets, mechanical mixing valve) .17 Table 5 Mounting dimensions (Outlets, single- and multi-hole mechanical mixing valve).19 Table 6 Test Sequence .21 Table 7 Summary of leaktightness tests 2
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