EN 806-4-2010 en Specifications for installations inside buildings conveying water for human consumption - Part 4 Installation《人类消费用水的建筑物内部输水设备规范 第4部分 安装》.pdf

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1、BS EN 806-4:2010ICS 91.140.60NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDSpecifications forinstallations insidebuildings conveyingwater for humanconsumptionPart 4: InstallationThis British Standard was published under the authority of the Standards Policy an

2、d Strategy Committee on 30 April 2010 BSI 2010ISBN 978 0 580 70915 9Amendments/corrigenda issued since publicationDate CommentsBS EN 806-4:2010National forewordThis British Standard is the UK implementation of EN 806-4:2010.This part of BS EN 806 partially supersedes BS 6700:2006+A1:2009. On publica

3、tion of parts 1 to 5 of BS EN 806, BS 6700:2006+A1:2009 will be withdrawn.NOTE EN 806 parts 1 to 5 have been agreed by CEN to be a package with a common Date of Withdrawal for conflicting National Standards (Resolution CEN/BT/20/1993 and CEN/TC 164 Resolution 199 refer).The UK participation in its p

4、reparation was entrusted to Technical Committee B/504/2, Water Supply - Internal systems and components.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are

5、 responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.BS EN 806-4:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 806-4 March 2010 ICS 91.140.60 English Version Specifications for installations inside buildings conveying wa

6、ter for human consumption - Part 4: Installation Spcifications techniques relatives aux installations deau destine la consommation humaine lintrieur des btiments - Partie 4 : Installation Technische Regeln fr Trinkwasser-Installationen - Teil 4: Installation This European Standard was approved by CE

7、N on 23 January 2010. CEN members 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 standard

8、s may be obtained on application 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 t

9、he CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Ma

10、lta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. 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 exp

11、loitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 806-4:2010: EBS EN 806-4:2010EN 806-4:2010 (E) 2 Contents Page Foreword 41 Scope 52 Normative references 53 Terms and definitions 74 Work on site 74.1 General 74.2 Handling of materials.74.3 Bending pipes

12、 74.4 Jointing of pipes 74.4.1 General 74.4.2 Pipe materials and jointing methods .84.4.3 Boilers and instantaneous water heaters connection 124.5 Joining pipes to cisterns 124.5.1 General . 124.5.2 Steel pipes to steel, fibre cement or glass reinforced plastics cisterns . 124.5.3 Copper or plastics

13、 pipe to steel, fibre cement or glass reinforced plastics cisterns 124.5.4 Concrete cisterns 134.5.5 Thermo-plastics cisterns . 134.6 Underground pipe laying . 134.7 Pipework in buildings . 134.7.1 Allowances for thermal movement and prevention of noise . 134.7.2 Pipe fixings 144.7.3 Concealed (hidd

14、en) piping . 144.7.4 Piping passing through structures . 164.7.5 Clearance of structural members 164.7.6 Penetration of fire walls and floors . 174.7.7 Drainage and prevention of air locks 174.7.8 Pipe positioning 174.8 Valves and taps . 174.9 Identifying and recording piping locations 174.9.1 Locat

15、ion of pipes and valves . 174.9.2 Identification of above ground piping. 174.9.3 Record of installation . 184.9.4 Identification of valves installed above ground . 184.10 Water conditioning devices . 185 Dissimilar metals. 185.1 General . 185.2 Combination of pipes and fittings/valves made of differ

16、ent metals 185.3 Flow-direction-rule 196 Commissioning . 196.1 Filling and hydrostatic pressure testing of the installations inside buildings conveying water for human consumption . 196.1.1 General . 196.1.2 Steel pipes, stainless steel pipes and copper pipes (linear elastic material) . 196.1.3 Plas

17、tics pipes (elastic or visco-elastic material) . 206.2 Flushing the pipework 236.2.1 General procedure 236.2.2 Flushing with water. 236.2.3 Flushing procedure with water/air mixture 246.3 Disinfection 25BS EN 806-4:2010EN 806-4:2010 (E) 36.3.1 General 256.3.2 Selection of disinfectants . 266.3.3 Met

18、hods for using disinfectants 266.3.4 Disinfection of storage cisterns and distributing pipes 276.3.5 Localised repairs . 27Annex A (normative) Pipe system material specifications, jointing procedures and pipe installation for different types of materials 28A.1 General 28A.2 Connections between diffe

19、rent materials . 28A.2.1 Above-ground pipework . 28A.2.2 Below-ground pipework 28A.3 Ductile iron . 28A.3.1 General 28A.3.2 Types of joints . 28A.3.3 Jointing procedures 29A.4 Stainless steel piping 29A.4.1 General 29A.4.2 Types of joints . 29A.4.3 Preparation of tube 30A.4.4 Corrosion 31A.5 Hot dip

20、 galvanised steel piping 31A.5.1 General 31A.5.2 Types of joints . 31A.5.3 Welded joints . 32A.5.4 Corrosion 32A.6 Copper piping 32A.6.1 General 32A.6.2 Categories of joints . 32A.6.3 Jointing procedures 33A.6.4 Bending. 36A.6.5 Drift expanding 36A.6.6 Corrosion 36A.7 Plastic piping . 36A.7.1 Types

21、of joints . 36A.7.2 Preparation of pipe 37A.7.3 Fused joints 37A.7.4 Solvent cement fittings . 38A.7.5 Compression fittings . 39A.7.6 Push-fit fittings 40A.7.7 Flanged fittings 40Annex B (informative) Calculation and compensation for thermal effects of pipes 42B.1 Thermal expansion of metal pipes .

22、42B.2 Thermal expansion of plastics pipes . 43B.3 Positioning of anchor points 44B.4 Installation of pipes allowing expansion by means of a flexible arm 44B.5 Installation of pipes allowing expansion by means of an expansion loop 46B.6 Installation of pipes allowing expansion and with continuous sup

23、port and guide brackets 47B.7 Installation of pipes allowing expansion and with guide brackets 48B.8 Installation of pipes on continuous horizontal supports 48B.9 Installation of pipes not allowing expansion 48B.10 Positioning of anchor points 49B.11 Installation between anchor points where continuo

24、us pipe stiffening is provided (PE-X, PB, PP and PE) . 49B.12 Installation of pipes supported only at the anchor points (for PE-X, PB, PP and PE) . 50Annex C (informative) Recommended maximum spacings of fixings for metal pipes . 52Bibliography 53BS EN 806-4:2010EN 806-4:2010 (E) 4 Foreword This doc

25、ument (EN 806-4:2010) has been prepared by Technical Committee CEN/TC 164 “Water Supply”, the secretariat of which is held by AFNOR. 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 September 2010,

26、 and conflicting national standards shall be withdrawn at the latest by September 2010. 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

27、. This document is intended for the use of engineers, architects, surveyors, contractors, installers, water suppliers, consumers and regulatory authorities. This standard has been written in the form of a practice specification. It is the fourth part of a European Standard consisting of five parts a

28、s follows: Part 1: General Part 2: Design Part 3: Pipe sizing Simplified method Part 4: Installation Part 5: Operation and maintenance According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Aus

29、tria, 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 the United Kingdom.

30、 BS EN 806-4:2010EN 806-4:2010 (E) 51 Scope This European Standard specifies requirements and gives recommendations for the installation of potable water installations within buildings and for pipework outside buildings but within the premises in accordance with EN 806-1. This European Standard is a

31、pplicable to new installations, alterations and repairs. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (incl

32、uding any amendments) applies. EN 200, Sanitary tapware Single taps and combination taps for water supply systems of type 1 and type 2 General technical specification EN 545:2006, Ductile iron pipes, fittings, accessories and their joints for water pipelines Requirements and test methods EN 681-1, E

33、lastomeric seals Material requirements for pipe joint seals used in water and drainage applications Part 1: Vulcanized rubber EN 751-1, Sealing materials for metallic threaded joints in contact with 1st, 2ndand 3rdfamily gases and hot water Part 1: Anaerobic jointing compounds EN 751-2, Sealing mate

34、rials for metallic threaded joints in contact with 1st, 2ndand 3rdfamily gases and hot water Part 2: Non-hardening jointing compounds EN 751-3, Sealing materials for metallic threaded joints in contact with 1st, 2ndand 3rdfamily gases and hot water Part 3: Unsintered PTFE tapes EN 805, Water supply

35、Requirements for systems and components outside buildings EN 806-1:2000, Specifications for installations inside buildings conveying water for human consumption Part 1: General EN 806-2, Specification for installations inside buildings conveying water for human consumption Part 2: Design EN 817, San

36、itary tapware Mechanical mixing valves (PN 10) General technical specifications EN 1044, Brazing Filler metals EN 1057, Copper and copper alloys Seamless, round copper tubes for water and gas in sanitary and heating applications EN 1092 (all parts), Flanges and their joints Circular flanges for pipe

37、s, valves, fittings and accessories, PN designated EN 1111, Sanitary tapware Thermostatic mixing valves (PN 10) General technical specification EN 1254-1, Copper and copper alloys Plumbing fittings Part 1: Fittings with ends for capillary soldering or capillary brazing to copper tubes EN 1254-2, Cop

38、per and copper alloys Plumbing fittings Part 2: Fittings with compression ends for use with copper tubes BS EN 806-4:2010EN 806-4:2010 (E) 6 EN 1254-4, Copper and copper alloys Plumbing fittings Part 4: Fittings combining other end connections with capillary or compression ends EN 1254-5, Copper and

39、 copper alloys Plumbing fittings Part 5: Fittings with short ends for capillary brazing to copper tubes EN 1514-1, Flanges and their joints Dimensions of gaskets for PN-designated flanges Part 1: Non-metallic flat gaskets with or without inserts EN 1717:2000, Protection against pollution of potable

40、water in water installations and general requirements of devices to prevent pollution by backflow EN 10088-2, Stainless steels Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes EN 10226 (all parts), Pipe threads where pressure tight jo

41、ints are made on the threads EN 10240, Internal and/or external protective coatings for steel tubes Specification for hot dip galvanized coatings applied in automatic plants EN 10242, Threaded pipe fitting in malleable cast iron EN 10255, Non-Alloy steel tubes suitable for welding and threading Tech

42、nical delivery conditions EN 10312, Welded stainless steel tubes for the conveyance of aqueous liquids including water for human consumption Technical delivery conditions EN 13443-1, Water conditioning equipment inside buildings Mechanical filters Part 1: Particle rating 80 m to 150 m Requirements f

43、or performances, safety and testing EN 15161, Water conditioning equipment inside buildings Installation, operation, maintenance and repair EN 29454-1:1993, Soft soldering fluxes Classification and requirements Part 1: Classification, labelling and packaging (ISO 9454-1:1990) EN 60335-1, Household a

44、nd similar electrical appliances Safety Part 1: General requirements (IEC 60335-1:2001, modified) EN ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation (ISO 228-1:2000) EN ISO 4016, Hexagon head bolts Product grade C (ISO 40

45、16:1999) EN ISO 4034:2000, Hexagon nuts Product grade C (ISO 4034:1999) EN ISO 7091, Plain washers Normal series Product grade C (ISO 7091:2000) EN ISO 9453, Soft solder alloys Chemical compositions and forms (ISO 9453:2006) EN ISO 15874-3, Plastics piping systems for hot and cold water installation

46、s Polypropylene (PP) Part 3: Fittings (ISO 15874-3:2003) EN ISO 15875-3, Plastics piping systems for hot and cold water installations Crosslinked polyethylene (PE-X) Part 3: Fittings (ISO 15875-3:2003) EN ISO 15876-3, Plastics piping systems for hot and cold water installations Polybutylene (PB) Par

47、t 3: Fittings (ISO 15876-3:2003) EN ISO 15877-3, Plastics piping systems for hot and cold water installations Chlorinated poly(vinyl chloride) (PVC-C) Part 3: Fittings (ISO 15877-3:2009) BS EN 806-4:2010EN 806-4:2010 (E) 7EN ISO 21003-3, Multilayer piping systems for hot and cold water installations

48、 inside buildings Part 3: Fittings (ISO 21003-3:2008) IEC 60449, Voltage bands for electrical installations of buildings 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 806-1:2000 and EN 1717:2000 apply. 4 Work on site 4.1 General This Clause gives requirements and recommendations on how installation