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TFP181 <br /> Page 2 of 6 <br /> Technicai 1/2"NPT SEALING <br /> Data ASSEMBI.Y <br /> Sprinkler Approvais � / ,%� <br /> Approvals apply only to the service FRAME I I �-.. <br /> _ -- <br /> �i :i:,� i �aicatea :�; ��: �es�g. ( . ., ., <br /> Cr�+� ;� s�„+.on. I �{_ , �— ��i�1�i�,:, � �f� ( <br /> ' � �� ` , , <br /> • TY3531 (3-mm Bulb) is UL Listed, � Si�pP�pT n � � � v� I � � <br /> C-UL Listed, VdS A roved (Certif- E �;-;� �:' � I � , �` ' <br /> PP JP .', i _- BJL� <br /> icate No. G4090007), and NYC Ap- ROLL FORMED j _ <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. � DEF�ECTOR <br /> (DROPPED <br /> • TY3551 (5-mm Bulb) is UL Listed, DEFLECTOR � � '� � � � POSITION) <br /> GUL Listed, FM Approved, LPCB �-z�_�r--=__=i_`j-�'r�' <br /> Approved (Ref. No. 094a/9), and <br /> NYC Approved (MEA 353-01-E) as � SPRiNKLER/SUPPOR'rCUP � <br /> Standard Response. AssEMe�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 /> Maximum Working Pressure F CEILING H 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/psi��2(80,6 LPM/bar�i2) 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. . . . . . . . .Beryilium <br /> Nickel w/TEFLON <br /> Cover Plate. . . . . . . . . . . . . . . . Brass <br /> Retainer . . . . . . . . . . . . . . . . . . Brass <br /> Ejection Spring. . . . . . Stainless Steel <br />