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TFP181 <br /> Page 2 of 6 <br /> Technical 1/2" NPT SEALING <br /> Data ASSEMBLY <br /> Sprinkler Approvals / <br /> Approvals apply only to the service FRAME <br /> conditions indicated in the Design CAP <br /> Criteria section. <br /> • TY3531 (3-mm Bulb) is UL Listed, SUPPORT <br /> C-UL Listed, VdS Approved (Certif- CUp W�TH BULB <br /> icate No. G4090007), and NYC Ap- ROLL FORMED <br /> proved (MEA 353-01-E) as Quick THREADS <br /> Response. <br /> • TY3531 (3-mm Bulb) is FM and COMPRESSION <br /> LPCB Approved (Ref. No. 094a/10) SCREW <br /> Approved as Standard Response. GUIDE <br /> Factory Mutual and LPCB do not PiNS(2) <br /> approve any concealed sprinklers <br /> for quick response. � i DEFLECTOR <br /> i , , � (DROPPED <br /> • TY3551 (5-mm Bulb) is UL Listed, DEFLECTOR i i i I �/ PoSITiOrv) <br /> C-UL Listed, FM Approved, LPCB �_-� r=====1 �_� I <br /> Approved (Ref. No. 094a/9), and 1 J- <br /> NYC Approved (MEA 353-01-E) as i SPRINKLER/SUPPORTCUP � <br /> Standard Response. AssennB�Y <br /> Approvals for Air and Dust Seal THREAD INTO RETAINER <br /> UL and C-UL Listed for use with the SUPPORT CUP WITH THREAD <br /> RFII Standard Response Concealed UNTIL MOUNTING O � DIMPLES <br /> Sprinkler(TY3551) SURFACE IS <br /> FLUSH WITH <br /> Maximum Working Pressure CEILING EJECTION <br /> Maximum 250 psi (17,3 bar) by UL, SPRING <br /> C-UL, and NYC <br /> Maximum 175 psi (12,1 bar) by FM, <br /> VdS, and LPCB <br /> Temperature Rating <br /> 155°F(68°C)Sprinkler with SOLDER COVER <br /> 139°F(59°C) Plate TABS(3) COVER PLATE/RETAINER PLATE <br /> 200°F(93°C)Sprinkler with ASSEMBLY <br /> 165°F(74°C) Plate <br /> Discharge Coefficient FIGURE 1 <br /> K=5.6 GPM/psiii2(80,6 LPM/bar��2) MODEL RFII CONCEALED SPRINKLER <br /> Adjustment ASSEMBLY <br /> 1/2 inch (12,7 mm) <br /> Finishes <br /> See the Ordering Procedure section. <br /> Physical Characteristics <br /> Frame. . . . . . . . . . . . . . . . Bronze <br /> Support Cup. . . . . . . . . . . . . .Chrome <br /> Plated Steel <br /> Guide Pins . . . . . . . . Stainless Steel <br /> Deflector. . . . . . . . . . . . . . . . Bronze <br /> Compression Screw. . . . . . . . . Brass <br /> Bulb . . . . . . . . . . . . . . . . . . . . . .Glass <br /> Cap. . . . . . . . . . . .Bronze or Copper <br /> Sealing Assembly. . . . . . . . .Beryllium <br /> Nickel w/TEFLON <br /> Cover Plate. . . . . . . . . . . . . . . Brass <br /> Retainer . . . . . . . . . . . . . . . . Brass <br /> Ejection Spring. . . . . . Stainless Steel <br />