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1、BRITISH STANDARD BS EN 15182-2:2007 Hand-held branchpipes for fire service use Part 2: Combination branchpipes PN 16 The European Standard EN 15182-2:2007 has the status of a British Standard ICS 13.220.10 ? Licensed Copy: London South Bank University, London South Bank University, Mon Apr 16 02:43:
2、47 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 15182-2:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2007 BSI 2007 ISBN 978 0 580 50533 1 National foreword This British Standard was published by BSI. It is the UK implemen
3、tation of EN 15182-2:2007. The UK participation in its preparation was entrusted by Technical Committee FSH/17, Fire brigade equipment, to Subcommittee FSH/17/1, Hydrants, hydrant systems, couplings and indicator plates. A list of organizations represented on FSH/17/1 can be obtained on request to i
4、ts 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. Amendments issued since publication Amd. No. DateComments Licens
5、ed Copy: London South Bank University, London South Bank University, Mon Apr 16 02:43:47 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15182-2 February 2007 ICS 13.220.10 English Version Hand-held branchpipes for fire service use - Part 2: Combinatio
6、n branchpipes PN 16 Lances main destines aux services dincendie et de secours - Partie 2 : Lances mixtes dbit et jet rglables PN 16 Strahlrohre fr die Brandbekmpfung - Teil 2: Hohlstrahlrohre PN 16 This European Standard was approved by CEN on 23 December 2006. CEN members are bound to comply with t
7、he 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 to the CEN Management Centr
8、e 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 same status as the official
9、 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, Romania, Slovakia, Sloven
10、ia, 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 2007 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN na
11、tional Members. Ref. No. EN 15182-2:2007: E Licensed Copy: London South Bank University, London South Bank University, Mon Apr 16 02:43:47 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 15182-2:2007 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references4 3 Terms and definitions .4 4 Requireme
12、nts.5 4.1 General5 4.2 Mechanical characteristics.5 4.3 Hydraulic characteristics6 4.4 Leak-tightness9 4.5 Hydrostatic requirements .9 5 Testing and proofs.9 5.1 General9 5.2 Jet spray angle.9 5.3 Flow and throw test.12 5.4 Tightness test.12 5.5 Hydrostatic test12 Licensed Copy: London South Bank Un
13、iversity, London South Bank University, Mon Apr 16 02:43:47 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 15182-2:2007 (E) 3 Foreword This European Standard (EN 15182-2:2007) has been prepared by Technical Committee CEN/TC 192 “Fire service equipment”, the secretariat of which is held by BSI. This E
14、uropean Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2007, and conflicting national standards shall be withdrawn at the latest by August 2007. EN 15182 consists of the following parts, under the gener
15、al title Hand-held branchpipes for fire service use: Part 1 : Common requirements; Part 2 : Combination branchpipes PN 16; Part 3 : Smooth bore jet and/or one fixed spray jet angle branchpipes PN 16; Part 4 : High pressure branchpipes PN 40. According to the CEN/CENELEC Internal Regulations, the nat
16、ional standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
17、 Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: London South Bank University, London South Bank University, Mon Apr 16 02:43:47 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 15182-2:2007 (E) 4 1 Scope In addition to the requirements given
18、 in EN 15182-1, this Part of this European Standard applies to hand-held combination branchpipes (nozzles) PN 16 with a maximum flow rate of 1 000 l/min at a reference pressure of 6 bar (0,6 MPa). It deals with: safety requirements; performance requirements; test methods; classification and designat
19、ion; operating instructions; marking and maintenance. This part of this European Standard applies to branchpipes as defined in Annex A of EN 15182-1:2007 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the e
20、dition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 15182-1:2007, Hand-held branchpipes for fire service use Part 1: Common requirements 3 Terms and definitions For the purposes of this document, the terms and definitions
21、 given in EN 15182-1:2007 and the following apply. 3.1 combination branchpipe branchpipe including a shut-off device and a variable pattern, corresponding to the following definitions NOTE Branchpipe is defined in 3.1 of EN 15182-1:2007. 3.1.1 combination branchpipe type 1 combination branchpipe wit
22、h variable pattern at variable flow NOTE Changing pattern changes the flow. 3.1.2 combination branchpipe type 2 combination branchpipe with variable pattern at constant flow NOTE Changing pattern does not change the flow. 3.1.3 combination branchpipe type 3 combination branchpipe with variable patte
23、rn at selectable, constant flow NOTE Changing pattern does not change the flow. Licensed Copy: London South Bank University, London South Bank University, Mon Apr 16 02:43:47 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 15182-2:2007 (E) 5 3.1.4 combination branchpipe type 4 (automatic branchpipes)
24、combination branchpipe with integrated pressure control device NOTE Changing pattern does not change the flow. 3.1.4.1 combination branchpipe type 4.1 combination branchpipe with variable pattern at constant pressure 3.1.4.2 combination branchpipe type 4.2 combination branchpipe with variable patter
25、n and selectable flow at constant pressure 3.2 jet 3.2.1 narrow spray jet intermediate position between the straight jet and the wide spray jet providing both throw as well as protection 3.2.2 wide spray jet jet solely providing protection for the operator(s) 3.3 haptical device single mechanical de
26、vice engaging detents 4 Requirements 4.1 General The branchpipes, covered by this standard shall comply with EN 15182-1. 4.2 Mechanical characteristics 4.2.1 Dimensions and mass The branchpipes (without inlet coupling) shall not exceed the dimensions and masses specified in Table 1. Table 1 Dimensio
27、ns and mass Maximum flow rate l/min Dimensions mm Mass kg 500 450 300 150 3,5 500 600 350 200 5,5 NOTE The maximum mass does not apply to seawater-resistant branchpipes. 4.2.2 Operating and handling elements 4.2.2.1 The torques needed to move the operating elements shall not exceed the values given
28、in Table 2 at pressures up to the nominal pressure. Licensed Copy: London South Bank University, London South Bank University, Mon Apr 16 02:43:47 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 15182-2:2007 (E) 6 Table 2 Maximum torques Type of operating element Torque Nm Lever 15 Valve handle 15 Rot
29、ating operating elements 10 Rotating inlet elements for fixed couplings 5 4.2.2.2 For branchpipes that are opened and closed with a valve handle, the “closed“ position shall be located in the direction of the flow. If a different operating element is used, the “closed“ position shall be clearly iden
30、tified by visual and/or haptical means. 4.2.2.3 It shall be possible to open any type of branchpipe in the wide spray position. 4.2.3 Flow adjustment positions If a branchpipe has a device to select flow rate, then the flow rates settings shall be easily identifiable by both visual and mechanical me
31、ans (haptical device with corresponding numerical values). If using a rotating operating element for flow adjustment, the adjustment shall be achieved by a rotation movement of a maximum of 180 . 4.2.4 Jet adjustment positions The various jet positions shall be clearly marked. The narrow spray jet p
32、osition (see 4.3.5) shall be easily identifiable by both visual and mechanical means (haptical devices). Jet adjustment from a straight jet to a wide spray jet with a spray angle of at least 100 shall be achieved by a rotation movement of between 70 and maximum 180 for branchpipes with a maximum flo
33、w rate less than or equal to 500 l/min and between 70 and 270 for a maximum flow rate higher than 500 l/min. NOTE This requirement is included in this standard as a safety detail to provide the user with a means to produce a wide protective spray jet of at least 100 achieved within 180 rotation (one
34、 hand twist movement). It shall be possible to open the branchpipe in a spray angle of at least 30 . 4.3 Hydraulic characteristics 4.3.1 Pressures The following pressures shall be used for the determination of the hydraulic characteristics: reference pressure: pR = 6 bar; median pressure for type 4
35、branchpipes: pm; nominal pressure: pN = 16 bar; test pressure: pt = 25,5 bar; Licensed Copy: London South Bank University, London South Bank University, Mon Apr 16 02:43:47 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 15182-2:2007 (E) 7 burst pressure: pB = 60 bar. 4.3.2 Flow rates All flow rates i
36、ndicated on the branchpipe shall be measured at straight jet and at the maximum spray angle position. Table 3 shall apply to the deviation in flow rates which can be set at the reference pressure pR. NOTE The deviation should also apply when the shape of the stream is altered. Table 3 Deviation in t
37、he flow rate Flow rate Q l/min Deviation limit 0 to 250 - 0/+25 l/min Above 250 - +0/+ 10 % (of set rate) 4.3.3 Effective throw The combination branchpipes shall achieve, for each flow rate position above 50 l/min, an effective throw eff d as shown in Figure 1 when set to a straight jet at the refer
38、ence pressure. Licensed Copy: London South Bank University, London South Bank University, Mon Apr 16 02:43:47 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 15182-2:2007 (E) 8 Key X Flow rate Q in l/min Y Effective throw eff d in m Figure 1 Effective throw Licensed Copy: London South Bank University,
39、 London South Bank University, Mon Apr 16 02:43:47 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 15182-2:2007 (E) 9 4.3.4 Wide spray jet The wide spray jet shall have a spray angle of at least 100 . 4.3.5 Narrow spray jet A narrow spray jet position between straight jet and wide spray jet positions
40、shall be provided on the branchpipe. The narrow spray jet shall have a spray angle of at least 30 . 4.3.6 Type 4 branchpipes For type 4 branchpipes, the manufacturer shall give the regulation range (pressure at the beginning of the range and pressure at the end of the range), from which the median p
41、ressure is calculated. With the valve fully open, the flow should be set at both the minimum and maximum flow and the pressure shall be read. This pressure shall not deviate from the median pressure by more than 30 %. This information shall be provided in graphic format as shown in EN 15182-1:2007,
42、Annex C. 4.4 Leak-tightness The closed branchpipe shall show no leakage during 1 min at the test pressure pt = 25,5 bar. NOTE No leakage means no visible weeping or drop formation. The opened branchpipe shall show no leakage during 1 min at the nominal pressure pN = 16 bar. 4.5 Hydrostatic requireme
43、nts The branchpipes shall fulfil the tests defined in 5.5. 5 Testing and proofs 5.1 General Unless otherwise specified, tests shall be carried out at the reference pressure pR, after the tests specified in part 1 of this European Standard, in the following order. 5.2 Jet spray angle 5.2.1 Spray angl
44、e measurement Arrange the branchpipe 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 (see Figure 2). Arrange vertically a rule in the longitudinal axis of the extremity of the branchpipe at a distance of 1 m. This rule, of a heig
45、ht of 3 m, shall have three coloured zones symmetrically arranged on both sides of the longitudinal axis. The outside diameters of the zones are defined in the Table 4. Licensed Copy: London South Bank University, London South Bank University, Mon Apr 16 02:43:47 GMT+00:00 2007, Uncontrolled Copy, (
46、c) BSI EN 15182-2:2007 (E) 10 Table 4 Outside diameter of the zones Colour of the zone Outside diameter m Angle Black (b) 0,54 100 Check that the zones of colour are covered according to the following requirements: narrow spray jet position: grey zone shall be reached by the jet and the white zone s
47、hall not be reached by the jet; maximum spray jet position: white zone shall be reached by the jet. Licensed Copy: London South Bank University, London South Bank University, Mon Apr 16 02:43:47 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 15182-2:2007 (E) 11 Dimensions in millimetres Key Grey zone
48、 b Black zone White zone c Grey zone Black zone Figure 2 Spray jet angle measurement 5.2.2 Shape of the narrow spray jet NOTE No requirements are given concerning water distribution as it was not possible to obtain interpretable and conclusive data with the test equipment available at the time this
49、standard was written. Licensed Copy: London South Bank University, London South Bank University, Mon Apr 16 02:43:47 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 15182-2:2007 (E) 12 5.3 Flow and throw test The effective throw shall be measured under the following conditions in compliance with Figure 3: effective throw: latest droplets - 10 % = eff d = 0,9 max d; pressure at the inlet of the branch