EN 15767-2:2009

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Tragbare Geräte zum Ausbringen von Löschmitteln, welche mit Feuerlöschpumpen gefördert werden - Tragbare Werfer - Teil 2: WasserdüsenEquipement portable de projection d'agents d'extinction alimenté par des pompes à usage incendie - Lances-canon portables - Partie 2 : Diffuseurs à eauPortable equipment for projecting extinguishing agents supplied by fire fighting pumps - Portable monitors - Part 2: Water nozzles13.220.10Gašenje požaraFire-fightingICS:Ta slovenski standard je istoveten z:EN 15767-2:2009SIST EN 15767-2:2009en,fr,de01-september-2009SIST EN 15767-2:2009SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 15767-2June 2009ICS 13.220.10 English VersionPortable equipment for projecting extinguishing agents suppliedby fire fighting pumps - Portable monitors - Part 2: WaternozzlesEquipement portable de projection d'agents d'extinctionalimenté par des pompes à usage incendie - Lances-canonportables - Partie 2 : Diffuseurs à eauTragbare Geräte zum Ausbringen von Löschmitteln, welchemit Feuerlöschpumpen gefördert werden - Tragbare Werfer- Teil 2: WasserdüsenThis European Standard was approved by CEN on 23 April 2009.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards 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 translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial 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, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre:
Avenue Marnix 17,
B-1000 Brussels© 2009 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15767-2:2009: ESIST EN 15767-2:2009

Acceptance test on delivery . 12Annex B (normative)
Datasheet for water nozzles . 13B.1General . 13B.2General data . 13B.3Flow – pressure chart . 13B.4Operational devices . 16B.5Requirements . 17B.6Optional extra data (no requirements) . 17B.7Data certified by *. 17Annex C (informative)
Example of completed datasheet for water nozzles. 18C.1General data . 18C.2Flow – pressure chart . 18C.3Operational devices . 20C.4Requirements . 21C.5Optional extra data (no requirements) . 21C.6Data certified by *. 21Bibliography . 22 SIST EN 15767-2:2009

1) Under preparation. SIST EN 15767-2:2009

nozzle providing a flat spray water stream 3.1.3 combination water nozzle nozzle with a adjustable pattern, corresponding to the following definitions 3.1.3.1 combination water nozzle – type 1 nozzle with adjustable pattern at variable flow NOTE Changing the pattern changes the flow. 3.1.3.2 combination water nozzle – type 2 nozzle with adjustable pattern at constant flow NOTE Changing the pattern does not change the flow. SIST EN 15767-2:2009

3.1.3.4.1 combination water nozzle – type 4.1 nozzle with adjustable pattern at constant pressure 3.1.3.4.2 combination water nozzle – type 4.2 nozzle with adjustable pattern and selectable flow at constant pressure 3.2 median pressure pm for automatic water nozzle, average pressure of the pressure control range 3.3 jet
3.3.1 straight jet jet having the maximum throw and mechanical effect 3.3.2 spray jet any jet different to the straight jet [EN 15182-1:2007] 3.4 flush position allowing the water nozzle to clear debris 3.5 manufacturer's stated maximum flow Qmax flow under which the water nozzle can be operated safely and efficiently 4 Requirements 4.1 Mechanical characteristics 4.1.1 Mass
The water nozzle shall have a maximum mass as defined in Table 1. SIST EN 15767-2:2009

4.1.2 Operating and handling elements The torques needed 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 N⋅m Lever 20 Valve handle 15 Rotating operating elements 15
4.1.3 Flow adjustment positions The settings of the water nozzle equipped with selectable flowrate shall be easily identifiable by visual means. 4.1.4 Jet adjustment positions The different jet positions of a nozzle equipped with adjustable jet positions shall be clearly marked. 4.2 Materials The materials used shall be selected in such a way that all the requirements in Clause 4 are met, subject to the tests defined in Clause 5. The water nozzle shall pass the heat and frost tests defined in 5.3. 4.3 Flush 4.3.1 The combination nozzle with Qmax less than 2 000 l/min, when tested in accordance with 5.4, shall be able to clear or flush a steel ball of 6,35 mm diameter without shutting off the nozzle.
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