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TFP171 Page 7 of 10 SPRINKLER FINISH K TYPE NATURAL I CHROME WHITE LEAD FACTOR BRASS PLATED POLYESTER COATED PENDENT(TY1231) and 2.8 UPRIGHT(TY1131) 175 PSI(12,1 BAR) N/A 1/2"NPT RECESSED PENDENT(TY1231) PENDENT(TY2231) and 4.2 UPRIGHT(TY2131) 175 PSI(12,1 BAR) N/A 1/2"NPT RECESSED PENDENT(TY2231) PENDENT(TY3231) 175 PSI and UPRIGHT(TY3131) 250 PSI(17,2 BAR) (12,1 BAR) 5.6 OR 175 PSI(12,1 BAR) 1/2"NPT RECESSED (SEE NOTE 1)PENDENT(TY3231) N/A PENDENT(TY4231) 175 PSI and (12,1 BAR) 8.0 UPRIGHT(TY4131) 175 PSI(12,1 BAR) 3/4"NPT RECESSED N/A PENDENT(TY4231) 8.0 PENDENT(TY4931) 175 PSI 1/2"NPT UPRIGHand T(TY4831) 175 PSI(12,1 BAR) (12,1 BAR) NOTES: 1. The maximum working pressure of 250 psi(17,2 bar)only applies to the Listing by Underwriters Laboratories Inc.(UL);the Listing by Underwriters Laboratories,Inc.for use in Canada(C-UL);and,the Approval by the City of New York. TABLE C MAXIMUM WORKING PRESSURE The Series TY-FRB Recessed Pendent '+ Exercise care to avoid damage to Sprinklers must be installed in accor- Care and sprinklers before, during, and after dance with the following instructions. Maintenance installation. Never paint, plate, coat, 1. After installing the Style 10, 20, 30, or otherwise alter automatic sprinklers or 40 Mounting Plate, as applica- The TYCO Series TY-FRB must be after they leave the factory. ble, over the sprinkler threads and maintained and serviced in accordance Replace sprinklers that: with pipe-thread sealant applied to with the following instructions. a were modified or over-heated. the pipe threads, hand-tighten the sprinkler into the sprinkler fitting. • were damaged by dropping,striking, wrench twisting,wrench slippage,or 2. Tighten the sprinkler into the sprin- Before closing a fire protection system the like. kler fitting using only the W Type 7 main control valve for maintenance, . are leaking or exhibiting visible signs Recessed Sprinkler Wrench (Fig- work on the fire protection system of corrosion. ure 15).With reference to Figures 1 that it controls, obtain permission to to 4, apply the W Type 7 Recessed shut down the affected fire protection • were exposed to corrosive products Sprinkler Wrench to the sprinkler systems from the proper authorities of combustion but have not oper- wrench flats. and notify all personnel who may be ated, if you cannot easily remove 3. After ceiling installation and finish- affected by this action. combustion by-products with a cloth. ing,slide on the Style 10,20,30, or Absence of the outer piece of an • have a cracked bulb or have lost liq- 40 Closure over the Series TY=FRB escutcheon, which is used to cover uid from the bulb. Refer to the Instal- Sprinkler and push the Closure over a clearance hole, can delay sprinkler lation section in this data sheet. the Mounting Plate until its flange operation in a fire situation. comes in contact with the ceiling.