1、July 2012 Translation by DIN-Sprachendienst.English price group 15No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 1
2、3.220.10!$,o“1900976www.din.deDDIN EN 671-2Fixed firefighting systems Hose systems Part 2: Hose systems with lay-flat hoseEnglish translation of DIN EN 671-2:2012-07Ortsfeste Lschanlagen Wandhydranten Teil 2: Wandhydranten mit FlachschlauchEnglische bersetzung von DIN EN 671-2:2012-07Installations f
3、ixes de lutte contre lincendie Systmes quips de tuyaux Partie 2: Postes deau muraux quips de tuyaux platsTraduction anglaise de DIN EN 671-2:2012-07SupersedesDIN EN 671-2:2001-08 andDIN EN 671-2/A1:2004-08See start of applicationwww.beuth.deDocument comprises 40 pagesIn case of doubt, the German-lan
4、guage original shall be considered authoritative.06.12 DIN EN 671-2:2012-07 2 A comma is used as the decimal marker. Start of application The start of application of this standard is due to be 1 July 2012. DIN EN 671-2:2001-08 and DIN EN 671-2/A1:2004-08 may be used in parallel until 2014-01-31 (see
5、 deadline in the EU Official Journal). It should be noted that, in Germany, CE conformity marking of construction products will be permitted once this standard has been listed in the Bundesanzeiger (German Federal Gazette) and from the date given therein. National foreword This standard has been pre
6、pared by Technical Committee CEN/TC 191 “Fixed firefighting systems” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was the Normenausschuss Feuerwehrwesen (Firefighting and Fire Protection Standards Committee), Working Committee NA 031-03-05 AA Anlagen zu
7、r Lschwasserversorgung einschlielich Wandhydranten. For further technical details and acceptance tests, see DIN 14461-1 and DIN 14462. For the direct connection to the drinking water supply, see DIN 1988-6. Amendments This standard differs from DIN EN 671-2:2001-08 and DIN EN 671-2/A1:2004-08 as fol
8、lows: a) Amendment A1:2004-08 has been incorporated; b) the requirements for hoses, the cabinet and materials have been extended or made more precise (Clauses 5, 8, 9 and 10); c) Annex ZA has been updated; d) the standard has been editorially revised. Previous editions DIN 14461-1: 1966-08, 1976-05,
9、 1986-01 DIN EN 671-2: 1996-02, 2001-08 DIN EN 671-2/A1: 2004-08 DIN EN 671-2:2012-07 3 National Annex NA (informative) Bibliography DIN 14461-1, Delivery valve installation Part 1: Hose reel with semi-rigid hose DIN 14462, Water conduit for fire extinguishing Planning, installation, operation and m
10、aintenance of fire hose systems and pillar fire hydrant and underground fire systems)DIN 1988-6, Codes of practice for drinking water installations (TRWI) Part 6: Fire fighting and fire protection installations DVGW code of practice ) In preparation. DIN EN 671-2:2012-07 4 This page is intentionally
11、 blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 671-2 April 2012 ICS 13.220.10 Supersedes EN 671-2:2001English Version Fixed firefighting systems - Hose systems - Part 2: Hose systems with lay-flat hose Installations fixes de lutte contre lincendie - Systmes quips de tuyaux - Partie 2: P
12、ostes deau muraux quips de tuyaux plats Ortsfeste Lschanlagen - Wandhydranten - Teil 2: Wandhydranten mit Flachschlauch This European Standard was approved by CEN on 9 March 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
13、 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-CENELEC Management Centre or to any CEN member. This European Standard exists in three official ve
14、rsions (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-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austri
15、a, 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, Turkey and United Kingdom
16、. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 671-2:2012: EEN 671-2:
17、2012 (E) 2 Contents Page Foreword 4Introduction .51 Scope 52 Normative references 53 Terms and definitions .64 Requirements .64.1 General 64.2 Distribution of extinguishing media 74.2.1 Hose bore .74.2.2 Minimum flow rate .74.2.3 Effective throw range 74.2.4 Spray discharge .74.3 Operational reliabi
18、lity 74.3.1 Hose General .74.3.2 Shut-off nozzle .84.3.3 Shut-off nozzle Resistance to impact .84.3.4 Shut-off nozzle Operating torque 84.3.5 Inlet stop valve .84.3.6 Hydraulic properties Resistance to internal pressure 94.3.7 Hydraulic properties Security of couplings .94.4 Ability to pull out the
19、hose 94.4.1 Type 1 Reel .94.4.2 Type 1 and 3 Supports swinging 94.4.3 Hose Maximum length 94.5 Colour .94.6 Cabinet 94.6.1 General 94.6.2 Opening/closing device . 104.6.3 Cabinet for manual hose system with screw down type valve 104.6.4 Identification symbol 104.7 Durability aspects . 104.7.1 Durabi
20、lity of operational reliability 105 Test methods . 105.1 General . 105.2 Distribution of extinguishing media . 115.2.1 Hose bore 115.2.2 Minimum flow rate 115.2.3 Effective throw range . 115.2.4 Spray discharge 115.3 Operational reliability . 115.3.1 Hose General 115.3.2 Shut-off nozzle 115.3.3 Shut
21、-off nozzle Resistance to impact 115.3.4 Shut-off nozzle Operating torque . 115.3.5 Inlet stop valve 115.3.6 Hydraulic properties Resistance to internal pressure . 115.3.7 Hydraulic properties Security of couplings 125.4 Ability to pull out the hose . 125.4.1 Type 1 Reel 12DIN EN 671-2:2012-07 EN 67
22、1-2:2012 (E) 3 5.4.2 Type 1 and Type 3 Supports swinging 125.4.3 Hose Maximum length 125.5 Colour . 125.6 Cabinet 125.7 Durability aspects 125.7.1 Durability of operational reliability 126 Evaluation of conformity 136.1 General . 136.2 Initial Type Testing Type Testing 136.2.1 General . 136.2.2 Test
23、 samples 146.2.3 Test reports 146.3 Factory Production Control (FPC) . 146.3.1 General . 146.3.2 Requirements . 146.3.3 Product specific requirements . 166.3.4 Initial inspection of factory and of FPC . 176.3.5 Continuous surveillance of FPC 186.3.6 Procedure for modifications. 186.3.7 One-off produ
24、cts, pre-production products (e.g. prototypes) and products produced in very low quantity . 187 Marking . 198 Instruction 198.1 Instructions for use . 198.2 Installation and maintenance instructions . 20Annex A (normative) Schedule for testing sequence . 21Annex B (normative) Test method for resista
25、nce to external corrosion 22Annex C (normative) Ageing test for plastics materials . 23Annex D (normative) Test method for resistance to corrosion of waterways 24Annex E (normative) Test methods for shut-off nozzle 25E.1 Resistance to impact . 25E.2 Operating torque . 25E.3 Spray discharge . 25E.4 F
26、low rate and throw range 27E.4.1 Flow rate . 27E.4.2 Throw range . 28Annex F (normative) Test method for resistance to internal pressure . 29Annex ZA (informative) Clauses of this European Standard addressing the provisions of EU Construction Products Directive . 30ZA.1 Scope and relevant characteri
27、stics . 30ZA.2 Procedure for the attestation of conformity of hose systems with lay-flat hose . 32ZA.2.1 System of attestation of conformity 32ZA.2.2 EC certificate of conformity 34ZA.3 CE marking and labelling 34DIN EN 671-2:2012-07 EN 671-2:2012 (E) 4 Foreword This document (EN 671-2:2012) has bee
28、n prepared by Technical Committee CEN/TC 191 “Fixed firefighting systems”, the secretariat of which is held by BSI. This document shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2012 and conflicting national sta
29、ndards shall be withdrawn at the latest by January 2014. 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 supersedes EN 6
30、71-2:2001. EN 671-2:2001 has been technically revised and editorial edited. The order of clauses has been changed. Annex ZA has been updated. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requir
31、ements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. For convenience of application in testing, the normative annexes of this European Standard are arranged so that Annex A gives the sequence of testing for conformity
32、 assessment and Annexes B, C, D, E and F are in the correct sequence for testing. EN 671 has the general title “Fixed firefighting systems Hose systems” and is in three parts: Part 1: Hose reels with semi-rigid hose; Part 2: Hose systems with lay-flat hose; Part 3: Maintenance of hose reels with sem
33、i-rigid hose and hose systems with lay-flat hose. According to the CEN/CENELEC 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,
34、France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 671-2:2012-07 EN 671-2:2012 (E) 5 Introduction Fire hose systems in p
35、roper condition provide a very effective firefighting facility with a continuous supply of water available immediately. The requirements of this European Standard have been specified to ensure that hose system can be operated efficiently by one person and that such systems have a long service life.
36、1 Scope This European Standard specifies requirements and methods of test for the construction and performance of fire hose reel systems with lay-flat hose for installation in buildings, permanently connected to a water supply, for use by the occupants. Furthermore, it provides also for requirements
37、 on evaluation of conformity and marking of these products. Its requirements may apply in general for other applications, for example in marine applications or in aggressive environments, but additional requirements may be necessary in such cases. 2 Normative references The following documents, in w
38、hole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 671-3, Fixed firefighting systems
39、 Hose systems Part 3: Maintenance of hose reels with semi-rigid hose and hose systems with lay-flat hose EN 14540, Fire-fighting hoses Non-percolating layflat hoses for fixed systems EN ISO 4892-2:2006, Plastics Methods of exposure to laboratory light sources Part 2: Xenon-arc amps (ISO 4892-2:2006)
40、 ISO 7-1, Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation EN ISO 9227:2006, Corrosion tests in artificial atmospheres Salt spray tests (ISO 9227:2006) ISO 5208, Industrial valves Pressure testing of metallic valves ISO 7010, Graphical s
41、ymbols Safety colours and safety signs Registered safety signs DIN EN 671-2:2012-07 EN 671-2:2012 (E) 6 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 cabinet box to protect the hose system against environmental or physical damage 3.2 coupli
42、ng device used to connect the hose to the valve and to the shut-off nozzle 3.3 fire hose system; hose system firefighting appliance consisting essentially of a cabinet or cover, hose support, manual stop valve, lay-flat hose with couplings, shut-off nozzle 3.4 hose support device used to hold the ho
43、se and shall be one of the following types: Type 1: rotating reel; Type 2: cradle with the hose double coiled; Type 3: hose basket with the hose flaked 3.5 lay-flat hose hose which is flat-sectioned except when it is internally pressurized 3.6 maximum working pressure maximum allowable pressure for
44、which the hose system is designed Note 1 to entry: All pressures are gauge pressures and are expressed in Mega Pascal (1 MPa = 10 bar). SOURCE: EN 671-1:2012 3.7 shut-off nozzle component, at the end of the hose, used to direct and control the discharge of water SOURCE: EN 671-1:2012 4 Requirements
45、4.1 General Conformity with the requirements given in this Clause 4 shall be verified by testing in accordance with Clause 5. DIN EN 671-2:2012-07 EN 671-2:2012 (E) 7 4.2 Distribution of extinguishing media 4.2.1 Hose bore The inside diameter of the hose shall be maximum 52 mm. 4.2.2 Minimum flow ra
46、te The flow rates in jet and spray settings shall be according to Table 1. Table 1 Minimum flow rates and minimum K-coefficient according to pressure Nozzle- or equivalent diameter Minimum flow rate Q l/min K-coefficient amm P = 0,2 MPa P = 0,4 MPa P = 0,6 MPa 9 65 92 113 4610 78 110 135 55 11 96 13
47、6 167 6812 102 144 176 72 13 120 170 208 85aFlow rate Q at a pressure P is related to the equation Q = K P10 , where Q is in l/min and P is in MPa. 4.2.3 Effective throw range The effective throw ranges of the discharges at a pressure of 0,2 MPa shall not be less than as follows (as appropriate): a) jet discharge: 10 m; b) sheet spray discharge: 6 m; c) conical spray discharge: 3 m. 4.2.4 Spray discharge Nozzles with a spray setting shall give a spray angle as follows: a) sheet spray: 90 5; b) conical spray: not less than 45. 4.3 Operational reliability 4.3.1 Hose G
