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I <br /> � � <br /> � PENDANT NOZZLES <br /> ' � PIN 31•19411X•XXX <br /> - � . ,, <br /> � '� • PROTECTION SYSTEMS DI�lISION `w DS 31-031 <br /> ; .} �ftective: Oct., 7987 <br /> � FEATURES <br /> • 180' AND 360° PATTERNS <br /> • FIVE PIPE SIZES— .5 TO 2.0 NPT � <br /> • 510RIFICEOPENINGS � ` `r°.��:'- , - <br /> ,�..v;°,+;'-. ' <br /> • FLUSH MOUNTED r c'�.`T'!i::'•'�: ;• <br /> . . ,�• HORIZONTAL DISCHARGE PATTERN <br /> DESCRIPTION ' t�� � '�„� 3'� I <br /> These noules are used in Fenwal Halon 1301 Fire Suppres• <br /> sion Systems lo dlsperse Halon uniformly lhroughout the f 1}� <br /> hazard area. Patterns direct discharged Halon parallel to the <br /> ceiling thus minimiztng lhe possibility of disturbance to ceii• <br /> . ing tiles and objects within the room.Noules are avaiiable to <br /> discharge in either 180°or360°patterns,depending on loca- <br /> lion wilhin the hazard area.A selectfon ot orifices is available <br /> for each noule size lo provide cortect sizing for appropriate 1' <br /> agent distribution. <br /> Noules are constructed of aluminum with a lextured finish. <br /> Forged sieel bushings adapt 0.5 NPT noules to 0.25 and •�+ <br /> 0.375 NPT pipes.See Ordering Information for sizes and part ` <br /> numbers. � <br /> DESIGNIINSTALLATION <br /> The noules are equipped with female National Pipe Threads <br /> and are typically installed as close to lhe ceiling as possible <br /> _ to provide an equal dlstribution of agent throughout the pro• <br /> tected area. Nozzles should be mounted in a downward ver• <br /> , tical position only.The placement of the noules tor adequate 360° <br /> coverage to ail portfons of the hazard area is determinetl by <br /> _ considering the indicated radial throw of each noule.When <br /> using large noules i� an area where smaller noules have a <br /> sufficient radial Ihrow,care should be used to avoid any un- <br /> necessary and unwanted turbulence. ' <br /> ARCHITECTIENGINEER SPECIFICATION ,;t"' <br /> � This Halon 1301 Fire Suppression System shall utilize �, �""'' � ' <br /> discharge noules that distribute ihe Halon 1301 uniformry :" ``_� <br /> throughout the protected area.The d'�;harge pattem shall he :�x, ` wA 1� <br /> such that lhe Halon is directed parallel to the ceiling. The p' ` ��L <br /> noule shall be Fenwal PN131-19411X-XXX. ��,., � <br /> �. ... <br /> OUTLINE DIMENSIONS '' � "� <br /> t<•- <br /> ' � � ;:i....�.,•h. <br /> � � �{ <br /> ``. � �`> <br /> + <br /> y ./—' � _� <br /> I � <br /> i .�.� . . i i �' ..'/ <br /> ' � ��i �� � <br /> \ �J`r I <br /> � _� <br /> e ��. <br /> P�pe$IM A B C ?.,. <br /> .i,�/, <br /> 0.5 NPT 2.060 1.125 1.375 ,�.:k�,l <br /> 075 NPT 2.687 1.500 1.812 :-•`k� <br /> 1.0 NPT 3.062 1.QA7 2.187 � <br /> 1.5 NPT 3.310 2.125 2.625 <br /> 2.0 NPT 4.375 2.687 3.687 <br /> For ordering informatlon, see other side. 180° <br /> I' <br />