1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 15767-3:2010Portable equipment forprojecting extinguishingagents supplied by fire fightingpumps Portable monitorsPart 3: Foam devicesBS EN 15767-3:2010 BRITISH STANDARDNati
2、onal forewordThis British Standard is the UK implementation of EN 15767-3:2010.The UK participation in its preparation was entrusted to TechnicalCommittee FSH/17/8, Hydrants, hoses and associated water deliveryequipment.A list of organizations represented on this committee can beobtained on request
3、to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 64649 2ICS 13.220.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard
4、was published under the authority of theStandards Policy and Strategy Committee on 30 September 2010.Amendments issued since publicationDate Text affectedBS EN 15767-3:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15767-3 September 2010 ICS 13.220.10 English Version Portable equipment for
5、 projecting extinguishing agents supplied by fire fighting pumps - Portable monitors - Part 3: Foam devicesEquipement portable de projection dagents dextinction aliment par des pompes usage incendie - Lances-canon portables - Partie 3: Dispositifs pour la mousse Tragbare Gerte zum Ausbringen von Lsc
6、hmitteln, welche mit Feuerlschpumpen gefrdert werden - Tragbare Werfer - Teil 3: Schaumdsen This European Standard was approved by CEN on 16 July 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the statu
7、s 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 exists in three official versions (English, French, German). A
8、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 bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
9、 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 Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROP
10、EN 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 15767-3:2010: EBS EN 15767-3:2010EN 15767-3:2010 (E) 2 Contents Page Forew
11、ord 31 Scope 42 Normative references 43 Terms and definitions .44 Requirements .64.1 Mechanical characteristics .64.2 Materials .64.3 Hydraulic characteristics 75 Testing and verification 85.1 General 85.2 Jet spray angle measurement 95.3 Heat and frost test .95.4 Flow and throw test .96 Information
12、 for use . 106.1 Instruction and maintenance handbook 106.2 Marking 11Annex A (informative) Effects of the foam concentrate on the performance of the foam devices 12Annex B (informative) Acceptance test on delivery . 13Annex C (normative) Datasheet for foam devices 14C.1 General . 14C.2 General data
13、 14C.3 Flow pressure chart . 14C.4 Operational devices 15C.5 Requirements 16C.6 Optional extra data (no requirements) . 16C.7 Data certified by*: . 16Annex D (informative) Example of completed datasheet for foam devices . 17D.1 General . 17D.2 General data 17D.3 Flow pressure chart . 18D.4 Operation
14、al devices 19D.5 Requirements 20D.6 Optional extra data (no requirements) . 20D.7 Data certified by*: . 20Bibliography . 21BS EN 15767-3:2010EN 15767-3:2010 (E) 3 Foreword This document (EN 15767-3:2010) has been prepared by Technical Committee CEN/TC 192 “Fire service equipment”, the secretariat of
15、 which is held by BSI. 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 March 2011, and conflicting national standards shall be withdrawn at the latest by March 2011. EN 15767 consists of the follo
16、wing parts, under the general title “Portable equipment for projecting extinguishing agents supplied by fire fighting pumps Portable monitors“: Part 1: General requirements for portable monitor assemblies; Part 2: Water nozzles; Part 3: Foam devices. Attention is drawn to the possibility that some o
17、f 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. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to impleme
18、nt this European Standard: 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, Switz
19、erland and the United Kingdom. BS EN 15767-3:2010EN 15767-3:2010 (E) 4 1 Scope 1.1 In addition to the requirements given in EN 15767-1, this part of this European standard applies to devices designed for aspirating air and projecting low expansion foam and, in some cases, inducting foam concentrate.
20、 It specifies requirements for safety, performance, classification and designation, as well as test methods, instructions for use and maintenance and marking. 1.2 This European Standard is only applicable to foam devices which are manufactured after its date of publication. 2 Normative references Th
21、e 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 (including any amendments) applies. EN 15767-1:2009, Portable equipment for projecting
22、extinguishing agents supplied by fire fighting pumps Portable monitors Part 1: General requirements for portable monitor assemblies EN 15767-2, Portable equipment for projecting extinguishing agents supplied by fire fighting pumps Portable monitors Part 2: Water nozzles 3 Terms and definitions For t
23、he purposes of this document, the terms and definitions given in EN 15767-1:2009 and the following apply. 3.1 foam concentrate liquid which is diluted with water to produce foam solution EN 1568-1:2008, 3.7 3.2 foam solution solution of foam concentrate in water EN 1568-1:2008, 3.8 3.3 foam device d
24、evice designed for aspirating air and projecting foam and, in some cases, inducting foam concentrate NOTE Several types of foam devices are described from 3.3.1 to 3.3.4. 3.3.1 foam cannon device that transforms the foam solution pressure into velocity and mixes air with the foam solution to produce
25、 a coherent stream of firefighting foam in a tube 3.3.2 self-inducting nozzle nozzle as described in EN 15767-2 equipped with a self-inducting system BS EN 15767-3:2010EN 15767-3:2010 (E) 5 3.3.3 pick-up tube non collapsible tube for transferring the foam concentrate to the inducting system 3.3.4 fo
26、am attachment device fitted to a water nozzle or a self-inducting nozzle that mixes air with the foam solution to produce firefighting foam 3.4 inducting system device for mixing foam concentrate with water at a set rate 3.5 self-inducting system inducting system integrated into a foam device 3.6 sp
27、reader device to modify the shape of the foam stream into a flat spray 3.7 induction rate ratio of foam concentrate to the foam solution 3.8 metering device device controlling the induction rate 3.9 maximum flow Qmaxmaximum combination of flow and pressure under which the foam device can be operated
28、 NOTE The value of the maximum flow is given by the manufacturer. 3.10 expansion expansion value expansion ratio ratio of the volume of foam to the volume of the foam solution from which it was made EN 1568-1:2008, 3.2 3.11 low expansion foam foam which has an expansion ratio less than 20 EN 1568-1:
29、2008, 3.3 BS EN 15767-3:2010EN 15767-3:2010 (E) 6 4 Requirements 4.1 Mechanical characteristics 4.1.1 Mass The foam device shall have a maximum mass as specified in Table 1. The maximum mass does not apply to seawater-resistant foam devices. Table 1 Maximum mass Qmaxl/min Maximum mass of the foam de
30、vice kg 8 000 20 4.1.2 Operating and handling elements The torques necessary to move the operating elements shall not exceed the values given in Table 2 at pressures up to the nominal pressure. Table 2 Maximum torques Type of operating element Torque Nm Lever 20Valve handle 15 Rotating operating ele
31、ments 15 4.1.3 Flow adjustment positions The flow settings of the foam device equipped with selectable flowrate shall be clearly identifiable by visual means. 4.1.4 Jet adjustment positions The different jet positions of a foam device equipped with adjustable jet positions shall be clearly marked. 4
32、.2 Materials When tested in accordance with Clause 5 materials shall conform to Clause 4. The foam device shall pass the heat and frost tests specified in 5.3. BS EN 15767-3:2010EN 15767-3:2010 (E) 7 4.3 Hydraulic characteristics 4.3.1 Pressures The following pressures, measured at the foam device i
33、nlet, shall be used for the determination of the hydraulic characteristics: reference pressure: pR= (6 0,1) bar; nominal pressure: pN= 16 bar. 4.3.2 Flowrates All flowrates indicated on the foam device shall be measured at the reference pressure pR. The flowrates measured at the reference pressure p
34、R shall not deviate by more than - 0/+ 10 % of the flowrate setting of the foam device. 4.3.3 Effective throw The foam device shall achieve, for each flowrate position above 500 l/min, a minimum effective throw deffas shown in Figure 1, when set at the reference pressure. BS EN 15767-3:2010EN 15767-
35、3:2010 (E) 8 Y X Key X flowrate Q in litres per minute Y effective throw effd in metres Figure 1 Effective throw 4.3.4 Spray jet The spray jet of self-inducting nozzles shall have a spray angle of at least 100. 5 Testing and verification 5.1 General All tests shall be with water only (see also infor
36、mation in Annex A). Unless otherwise specified, tests shall be at the reference pressure pR, in the following order, on foam cannons, self-inducting nozzles and foam attachments. NOTE Guidance for acceptance tests on delivery is given in Annex B. BS EN 15767-3:2010EN 15767-3:2010 (E) 9 5.2 Jet spray
37、 angle measurement Arrange the self-inducting nozzle on a fixed support in a horizontal position 1,5 m above the ground, in a zone where the wind speed is lower than 2 m/s. Arrange a rule perpendicular to the flow at a distance of 1 m. This rule shall be marked to determine the spray angle. 5.3 Heat
38、 and frost test 5.3.1 Sensitivity to heat The foam device shall function, without restriction, after it has been stored 24 h at (55 2) C. NOTE Hand protection should be used for this test. 5.3.2 Sensitivity to frost The foam device shall be disconnected following operation for 1 min at the reference
39、 pressure pR. It shall then be drained for 1 min and stored at a temperature of ( 15 2) C for 30 min. Following this, the operating elements shall be movable manually. NOTE Hand protection should be used for this test. 5.4 Flow and throw test The effective throw shall be measured under the following
40、 conditions, in accordance with Figure 2: portable monitor body on the ground in the normal working position; inclination: (30 2); pressure at the inlet of the foam device: Rp= 6 bar 0,1 bar; maximum wind speed: 2 m/s (Beaufort scale 3); effective throw (in metre): furthest droplets 10 % = effd = 0,
41、9 maxd . The measurement shall be carried out when the system is stabilised. The maximum effective throw shall be given in the instruction handbook. BS EN 15767-3:2010EN 15767-3:2010 (E) 10 Key 1 effective thow (deff) 2 maximum throw (dmax) Figure 2 Measurement of the effective throw 6 Information f
42、or use 6.1 Instruction and maintenance handbook 6.1.1 General Each foam device shall be supplied with an instruction and maintenance handbook. NOTE These instructions may be combined with those for the portable monitor body. 6.1.2 Instruction handbook The instruction handbook shall contain at least
43、the following information: name and/or logo and contact details of manufacturer; data sheet according to Annex C (see also an example of a complete data sheet in Annex D); product warnings; general information for use. BS EN 15767-3:2010EN 15767-3:2010 (E) 11 6.1.3 Maintenance handbook The maintenan
44、ce handbook shall at least contain: maintenance instructions; sectional or exploded diagram; spare parts list cross-referenced to diagram. 6.2 Marking Foam devices shall be permanently marked with at least the following information: identification of the manufacturer; serial or batch number and year
45、 of manufacture; reference to this European Standard; Qmax; pN;. jet adjustment directions or positions, where applicable; flush position, where applicable; various flow positions, where applicable. BS EN 15767-3:2010EN 15767-3:2010 (E) 12 Annex A (informative) Effects of the foam concentrate on the
46、 performance of the foam devices To compare the performance of the foam devices, all tests described in Clause 5 are run with water. However, the performance with water is only a guide. The following characteristics are influenced by the make and condition of the foam concentrate: effective throw; e
47、xpansion; metering (percentage). It is recommended that manufacturers provide as much information as possible about the performance of their foam devices with different types of foam concentrates under operational conditions. BS EN 15767-3:2010EN 15767-3:2010 (E) 13 Annex B (informative) Acceptance
48、test on delivery Acceptance tests based on the safety and performance requirements of this part of this European Standard may be undertaken on delivery by the customer, by an independent or national testing organisation or by any other third party of the customers choice and the results of the tests
49、 recorded. The inspection may include: examination of all of the test results and the conformity documentation; confirmation that the foam device conforms to specification by visual and functional inspection or test; confirmation that the required foam device documentation, as specified in the standard, is available; confirmation that the performance and specification of the foam device conf
