1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 14055:2010WC and urinal flushing cisternsLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 30/03/2011 03:38, Uncontrolled Copy, (c) BSIBS EN 14055:2010 BRITISH STANDAR
2、DNational forewordThis British Standard is the UK implementation of EN 14055:2010.The UK participation in its preparation was entrusted to TechnicalCommittee B/503, Sanitary appliances.A list of organizations represented on this committee can beobtained on request to its secretary.This publication d
3、oes not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 58695 8ICS 91.140.70Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority o
4、f theStandards Policy and Strategy Committee on 31 December 2010.Amendments issued since publicationDate Text affectedLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 30/03/2011 03:38, Uncontrolled Copy, (c) BSIBS EN 14055:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14055 November
5、 2010 ICS 91.140.70 English Version WC and urinal flushing cisterns Rservoirs de chasse deau pour WC et urinoirs Splksten fr WC-Becken und Urinale This European Standard was approved by CEN on 16 October 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate
6、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 to the CEN Management Centre or to any CEN member. This European Standard exist
7、s 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 same status as the official versions. CEN members are the national standards bo
8、dies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United K
9、ingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14055:2010: ELic
10、ensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 30/03/2011 03:38, Uncontrolled Copy, (c) BSIBS EN 14055:2010EN 14055:2010 (E) 2 Contents Page Foreword 41 Scope 52 Normative references 53 Terms and definitions .54 Classification 85 Requirements and test methods for class 1 products.85.1 Design .8
11、5.1.1 Flushing cistern equipment 85.1.2 Water supply connection 95.1.3 Supply piping .95.1.4 Removable parts 95.1.5 Connecting dimensions 95.1.6 Flush pipes 105.2 Hydraulic and mechanical characteristics . 135.2.1 Flush volume . 135.2.2 Water-saving devices . 145.2.3 Flush rate and impact force . 14
12、5.2.4 Overflow . 155.2.5 Inlet valve opening characteristics for water saving flushing . 165.2.6 Safety margin Dimension “c” . 165.2.7 Backflow prevention, air gap, safety margin Dimension “a” 175.2.8 Outlet valve leaktightness . 175.2.9 Outlet valve reliability . 175.2.10 Operating force . 175.2.11
13、 Durability . 175.3 Test methods . 185.3.1 General . 185.3.2 Flush volume . 185.3.3 Flush rate . 195.3.4 Determination of the overflow capacity 235.3.5 Inlet valve opening characteristics . 245.3.6 Determination of dimension “c” 245.3.7 Determination of dimension “a” 245.3.8 Outlet valve leak tightn
14、ess 245.3.9 Outlet valve reliability test . 245.3.10 Operating force . 255.3.11 Impact force . 266 Functional requirements and test methods for class 2 products . 306.1 Inlet valve . 306.2 Backflow prevention . 306.3 Marking of flushing cistern 306.4 Warning pipe and overflow provision. 306.5 Flush
15、volume . 306.5.1 Full flush 306.5.2 Reduced flush . 306.6 Flush rate . 316.7 Physical endurance and leakage of flushing device . 316.8 Chemical endurance of flushing device . 316.9 Durability . 31Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 30/03/2011 03:38, Uncontrolled Copy, (c) BSIBS EN
16、 14055:2010EN 14055:2010 (E) 3 6.10 Test methods . 316.10.1 Inlet valve tests 316.10.2 Warning pipe and overflow provisions . 326.10.3 Flush volume test 326.10.4 Flush rate test 336.10.5 Physical endurance and leakage test of flushing device 346.10.6 Chemical endurance test of flushing device 356.10
17、.7 Requirements for compatibility testing of class 2 products . 357 Requirements and test methods for class 3 products 367.1 Requirements and test methods 367.2 Adjustment . 368 Acoustic characteristics . 369 Dangerous substances . 3610 Marking and product designation 3611 Evaluation of conformity 3
18、711.1 General . 3711.2 Type testing . 3711.2.1 Initial type testing 3711.2.2 Further type testing . 3811.2.3 Sample, testing and compliance criteria . 3811.3 Factory production control. 3911.3.1 General . 3911.3.2 Testing equipment . 3911.3.3 Raw materials and components 3911.3.4 Product testing and
19、 assessment . 3911.3.5 Non-conforming products 39Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU Construction Products Directive . 40ZA.1 Scope and relevant characteristic . 40ZA.2 Procedure for attestation of conformity of WC and urinal flushing cisterns
20、 41ZA.2.1 System of attestation of conformity 41ZA.2.2 Declaration of conformity . 42ZA.3 CE marking and labelling 42Bibliography 44Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 30/03/2011 03:38, Uncontrolled Copy, (c) BSIBS EN 14055:2010EN 14055:2010 (E) 4 Foreword This document (EN 14055:
21、2010) has been prepared by Technical Committee CEN/TC 163 “Sanitary appliances”, the secretariat of which is held by UNI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2011, and conflicting
22、national standards shall be withdrawn at the latest by August 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document has
23、been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. According to the CEN/CEN
24、ELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuan
25、ia, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 30/03/2011 03:38, Uncontrolled Copy, (c) BSIBS EN 14055:2010EN 14055:2010 (E) 5 1 Scope This European S
26、tandard specifies design, performance requirements and the test methods for WC and urinal flushing cisterns with flushing mechanism, inlet valve and overflow. This document covers flushing cisterns designed to be connected to drinking water installations inside buildings. This standard does not cove
27、r automatic valveless siphon flushing cisterns for flushing urinals. NOTE Flushing cisterns for one-piece WCs and close-coupled suites are covered by EN 997. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only t
28、he edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 997:2003, WC pans and WC suites with integral trap EN 1717, Protection against pollution of potable water in water installations and general requirements of devices
29、to prevent pollution by backflow EN 13407:2006, Wall-hung urinals Functional requirements and test methods EN 14124, Inlet valves for flushing cisterns with internal overflow BS 1212-2:1990, Float operated valves Specification for diaphragm type float operated valves (copper alloy body) (excluding f
30、loats) BS 1212-3:1990, Float operated valves Specification for diaphragm type float operated valves (plastics bodied) for cold water services only (excluding floats) BS 1212-4:1991, Float operated valves Specification for compact type float operated valves for WC flushing cisterns (including floats)
31、 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 valve-type flushing cistern cistern with integral valve outlet device, for storage and discharge of a defined volume of flushing water for removal of excrement from a WC pan 3.2 valveless-type
32、flushing cistern cistern with integral syphonic actuated outlet device, for storage and discharge of a defined volume of flushing water for removal of excrement from a WC pan NOTE Both types of flushing cisterns are available, as detailed below: Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS,
33、 30/03/2011 03:38, Uncontrolled Copy, (c) BSIBS EN 14055:2010EN 14055:2010 (E) 6 Wall-hung independent low-level Built-in independent Wall-hung independent mid-level Wall-hung independent high-level One-piece integral (with WC pan) Close-coupled 3.3 close-coupled multiple use flushing cistern close-
34、coupled flushing cistern for use with different WC pans 3.4 independent flushing cistern flushing cistern mounted separately from a WC pan or urinal 3.5 outlet valve mechanism for opening and closing the outlet orifice of the flushing cistern 3.6 operating mechanism mechanism to open, and if applica
35、ble, close the outlet valve 3.7 flush pipe connecting pipe between a flushing cisterns outlet and a WCs or urinals inlet 3.8 overflow device enabling release of excess water from a flushing cistern when water reaches a pre-determined level Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 30/03
36、/2011 03:38, Uncontrolled Copy, (c) BSIBS EN 14055:2010EN 14055:2010 (E) 7 3.9 inlet valve valve that controls and shuts off the flow of water into a flushing cistern 3.10 overflow level water level corresponding to the upper edge of the overflow or to the lower edge of the overflow notch 3.11 maxim
37、um water level highest water level reached after flow stabilisation, in the event of continuous supply, as a result of malfunction of the inlet valve 3.12 critical water level highest water level in any part of the appliance, 2 s after the supply is cut off 3.13 residual water level water level afte
38、r a full flush is completed 3.14 adjustable residual water level water level in a cistern, after (uninterrupted) flushing, when an outlet mechanism can be adjusted to the elevated residual water level 3.15 meniscus level level resulting from surface tension of water during overflowing 3.16 nominal w
39、ater level water level when a flushing cistern is filled to the nominal flush volume 3.17 nominal flush volume volume of water indicated, when a flushing cistern is filled to the nominal water level 3.18 flush volume volume of water discharged from the flushing cistern during a flush cycle 3.19 safe
40、ty margin c distance between the nominal water level determined by the manufacturer and the overflow level 3.20 flush rate volume of water flowing out of a flushing cistern as a function of time 3.21 test height distance between the seat of the outlet valve and the horizontal axis of the flush pipe
41、3.22 impact force force of the flushing water at the outlet of the flush pipe Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 30/03/2011 03:38, Uncontrolled Copy, (c) BSIBS EN 14055:2010EN 14055:2010 (E) 8 3.23 flushing device device fitted to a cistern to provide controlled measured volume(s
42、) of water to a WC pan or suite for flushing 3.24 water-saving device flushing device that permits a part of the total flush volume to be delivered, e.g. acting as double-action mechanisms (interruptible) or double-control mechanisms (dual control or dual flush) 3.25 warning level level of spill ove
43、r of a vertically mounted warning pipe connection or the invert of a horizontally mounted warning pipe connection, or the level at which an equally effective (warning) device would operate 3.26 short-term leak test leak test consisting of a 15 min wait after flushing then positioning paper designed
44、to change colour when wet, under the flushing device for 10 min NOTE A leak is defined as being visible discharge of water amounting to more than three separate drops. 3.27 long-term leak test leak test consisting of a 2 h wait after flushing then positioning paper designed to change colour when wet
45、, under the outlet for 15 min NOTE A leak is defined as being visible discharge of water amounting to more than three separate drops. 4 Classification Flushing cisterns are classified as described below: Class 1: Flushing cisterns tested in accordance with the requirements of Clauses 5 and 8 using a
46、 nominal flush volume of either 4 l, 5 l, 6 l, 7 l or 9 l. Class 2: Flushing cisterns tested in accordance with the requirements of Clauses 6 and 8 using a maximum flushing volume of 6 l, or a dual-flush which combines a maximum flush of 6 l and a reduced flush no greater than two-thirds of the maxi
47、mum flush. Class 3: Class 1 flushing cistern intended to be used in connection with urinals. 5 Requirements and test methods for class 1 products 5.1 Design 5.1.1 Flushing cistern equipment An equipped flushing cistern comprises: a shell, provided with a removable lid or an access flap allowing acce
48、ss to components; an inlet valve complying with EN 14124; a flushing device; Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 30/03/2011 03:38, Uncontrolled Copy, (c) BSIBS EN 14055:2010EN 14055:2010 (E) 9 an overflow device; an operating mechanism; a flush pipe, when the cistern is for use wi
49、th an independent WC pan. In special cases, a combined fitting providing the functions of filling, overflowing and evacuation is permissible. In this case, the fitting shall be designed to comply with the hygiene, physico-chemical, leaktightness, hydraulic, pressure resistance, acoustic and mechanical characteristics specified in EN 14124. The tests shall be performed on the flushin
