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Nlodel LF <br />� <br />�"�' Lo�r l�I�w Residen�i�l <br />Pendentand Recessed Pend�nt <br />Glass BulbAutomatic Sprinklers <br />Manufactured by: Central Sprinkier Cnmpany <br />451 North Cannon Avenue. Lansdale, Pennsylvania 19A46 <br />�r�duct <br />pes�ription <br />The f:entral Model LF qesidentia! <br />Pendent and Recessed Fendent <br />Sprinklers have fhA ability to cover <br />large �reas witN VeFy 10�4 tlow and <br />pressure requirAihB�itB: This, <br />combined wHh tiiA �tlSihefics of the <br />recessed glass bulb dasign, provide a <br />sprinkler iha119 AHFaclive tlnd cost <br />effective. The C9nir81 Model LF <br />1 Automatfc Sprinklers IMcofporale the <br />�.r•� latest in giass bulb technology, whfch <br />results in a much smallet mare <br />attractive sprinkler. th� oaerating <br />mechanism corisists of d Ilquid-filled <br />quick response irAngibld c�pSuie that <br />is only 2.0 cm fh IAhgth. <br />The Model LF Automatic Sprinklers <br />are (ntended for rdSfdenUal <br />applicalions in accorde�tce with <br />current NFPA 13, NFpA 13D and <br />NFPA 13R Standard9 and Ceniral's <br />Residential Install9tion Guide. <br />Operatiorl: The glass bulb capsufe <br />operating mechanism contalns a heat- <br />sensitive liquid that expands upon <br />application of heal. Upon reaching the <br />raf�d temperature, the Irangible <br />capsule ruptures thereby releasing iha <br />orifice seal. The sprinkler then <br />discharges water in a pre-desfgned <br />spray paltern to control or extinguish <br />the tire. <br />Technical <br />Dat� <br />Model: LF <br />Style: Pendent and Recessad <br />Pendent <br />Esculcheon: Model GB Res./QR <br />Wrench; GB-20 (Part N1125) <br />Oritice Size: '/e" (9.53 mm) <br />K-Faclor: 3.0 <br />Thread Size: Yz" N.P.T. (t2.7mmJ <br />Temp. Ratings: 155°F/68°C <br />Approvals: U.L. <br />Maximum Working Pressure: 175 psi <br />Factory Hydro Test: 100% at 500 psi <br />Standard Finishes: <br />Sprfnkler: brass, chrome pleted, <br />white and of}-white <br />painted <br />Escutcheon: brass plated, chrome <br />plated, white and off- <br />white pafnted <br />Lenglh: 2'/e" (5.39 cm) <br />Wid�h: 1'/,e" (3.o2cm) <br />Weight: 2Yz" (7ogrems) <br />No. 4�4.0 <br />