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Page 4 of 10 TFP171 <br /> 7/16" (11,1 mm) <br /> 1/2" NOMINAL SSU'` <br /> NPT MAKE -IN DEFLECTOR <br /> 1 *6 <br /> 4 , 5 <br /> 2 -1/4" 2- 3/16" <br /> (57,2 mm) I ="1 I (55,6 mm) I i 4 <br /> li Pr <br /> 1-9/16" " ' WRENCH 111 11 r r -10 <br /> (39,7 mm) FLATS <br /> =-- <br /> 'S' f 3 <br /> - -- --- - - -- -° SSP' 1 <br /> DEFLECTOR CROSS <br /> PENDENT UPRIGHT SECTION <br /> 1 - Frame 3 - Sealing 4 - Bulb 6 - Deflector * Temperature rating is indicated on deflector or adjacent to <br /> 2 - Button Assembly 5 - Compression orifice seat on frame. <br /> Screw <br /> FIGURE 5 <br /> QUICK RESPONSE SERIES TY-FRB UPRIGHT (TY4831) AND PENDENT (TY4931) SPRINKLERS <br /> 8.0 K- FACTOR, 1/2 INCH NPT <br /> Technical Operation <br /> Data The glass Bulb contains a fluid which <br /> expands when exposed to heat. When <br /> Approvals the rated temperature is reached, the <br /> UL and C -UL Listed. fluid expands sufficiently to shatter the <br /> FM, LPCB, and NYC Approved. glass Bulb, allowing the sprinkler to <br /> (Refer to Table A and B for complete activate and water to flow. <br /> approval information including corro- <br /> sion resistant status.) Design <br /> Maximum Working Pressure <br /> Refer to Table C. Criteria <br /> Discharge Coefficient <br /> K = 2.8 GPM /psi / (40,3 LPM /bar1/2) The Series TY -FRB Pendent and Up- <br /> K = 4.2 GPM /psi / (60,5 LPM /bar1/2) right Sprinklers are intended for fire <br /> K = 5.6 GPM /psi (80,6 LPM /bar1/2) protection systems designed in ac- <br /> K = 8.0 GPM /psi / (115,2 LPM /bar112) cordance with the standard installation <br /> rules recognized by the applicable <br /> Temperature Ratings Listing or Approval agency (e.g., UL <br /> Refer to Table A and B Listing is based on the requirements of <br /> Finishes NFPA 13, and FM Approval is based <br /> Sprinkler: Refer to Table A and B. on the requirements of FM's Loss Pre - <br /> Recessed Escutcheon: White Coated, vention Data Sheets ). Only the Style <br /> Chrome Plated, or Brass Plated. 10, 20, 30, or 40 Recessed Escutch- <br /> eon, as applicable, is to be used for <br /> recessed pendent installations. <br /> Physical Characteristics <br /> Frame Bronze E <br /> Button Brass /Copper -0 <br /> Sealing Assembly `` <br /> Beryllium Nickel w/Teflont -0 <br /> Bulb Glass a <br /> Compression Screw Bronze <br /> Deflector Copper /Bronze a) <br /> Bushing (K =2.8) Bronze <br /> re <br /> 0 <br /> . <br /> a <br /> o <br /> 0 <br />