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TFP171 Page 7 of 10 SPRINKLER FINISH K TYPE NATURAL CHROME WHITE LEAD BRASS PLATED POLYESTER COATED PENDENT (TY3231) and 2 UPRIGHT (TY3131) 175 PSI (12,1 BAR) N/A 1/2 RECESSED PENDENT NPT (TY323) PENDENT (TY4231) and 4 UPRIGHT (TY4131) 175 PSI (12,1 BAR) N/A 3/4" RECESSED PENDENT NPT (TY4231) PENDENT (TY3231) and 250 PSI (17,2 BAR) 175 PSI (12,1 BAR) 5.6 UPRIGHT (TY3131) OR 1/2" RECESSED PENDENT 175 PSI (12,1 BAR) NPT (TY3231) (SEE NOTE 1) N/A PENDENT (TY4231) and 175 PSI (12,1 BAR) 175 PSI (12,1 BAR) 8 UPRIGHT (TY4131) 3/4" RECESSED PENDENT NPT (TY4231) N/A 8.0 PENDENT (TY4931) 1/2" and 175 PSI (12,1 BAR) 175 PSI (12,1 BAR) NPT UPRIGHT (TY4831) 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 tained with a torque of 10 to 20 ft.lbs. the sprinkler into the sprinkler fitting. Installation (13,4 to 26,8 Nm). A maximum of 30 Step 3. Tighten the sprinkler into the ft.lbs. (40,7 Nm) of torque is to be used sprinkler fitting using only the W -Type The Series TY -FRB Sprinklers must to install sprinklers with 3/4 NPT con be installed in accordance with the fol- nections. Higher levels of torque may 6 Sprinkler Wrench (Ref. Figure 14). Instructions: With reference to Figures 1, 2, 3, 4, lowing distort the sprinkler inlet and cause and 5, the W -Type 6 Sprinkler Wrench NOTES leakage or impairment of the sprinkler. i to be applied to the sprinkler wrench Do not install any bulb type sprinkler if Do not attempt to make-up for insuffi- flats. the bulb is cracked or there is a loss of cient adjustment in the escutcheon The Series TY -FRB Recessed Pen - liquid from the bulb. With the sprinkler plate by under- or over - tightening the dent Sprinklers must be installed in held horizontally, a small air bubble sprinkler. Readjust the position of the accordance with the following instruc- should be present. The diameter of the sprinkler fitting to suit. tions. air bubble is approximately 1/16 inch The Series TY -FRB Pendent and Up- Step A. After installing the Style 10. (1,6 mm) for the 135 °F /57 °C to 3/32 right Sprinklers must be installed in 20, 30, or40 Mounting Plate, as appli- inch (2,4 mm) for the 286 °F /141 °C accordance with the following instruc- cable, over the sprinkler threads and temperature ratings. tions. with pipe thread sealant applied to the A leak tight 1/2 inch NPT sprink/erjoint Step 1. Pendent sprinklers are to be pipe threads, hand tighten the sprin- should be obtained with a torque of 7 installed in the pendent position, and kler into the sprinkler fitting. to 14 ft.lbs. (9,5 to 19,0 Nm). A maxi- upright sprinklers are to be installed in Step B. Tighten the sprinkler into the mum of21 ft. lbs. (28,5 Nm) of torque the upright position. sprinkler fitting using only the W -Type may be used to install sprinklers with Step 2. W ith pipe thread sealant a 7 Recessed Sprinkler Wrench (Ref. 1/2 NPT connections. A leak tight 3/4 P p p p Figure 15). With reference to Figure 1, inch NPT sprinkler joint should be ob- plied to the pipe threads, hand tighten 2, 3, and 4, the W -Type 7 Recessed