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Page 6 of 8 TFP151 <br /> 2 -7/8" DIA. it <br /> 5/8 ±1/4" (73,0 mm) 3/4" (19,1 mm) <br /> (15,9 ±6,4 mm) 2 -1/4" DIA. 1/4" (6,4 mm) z WRENCH RECESS <br /> FACE OF (57,2 mm MOUNTING (E 1/2" NPT MODELS) <br /> SPRINKLER PLATE '� <br /> FITTING <br /> 1/8" WRENCH RECESS <br /> ��' (3,2 mm) (END "B" USED FOR <br /> . - rnui <br /> 3/4" NPT MODELS) <br /> rJ' /, FIGURE 7 <br /> �� _ J W -TYPE 6 SPRINKLER <br /> lig MOUNTING r WRENCH <br /> SURFACE r <br /> WRENCH <br /> CLOSURE SERIES 1 -1/4" (31,8 mm) RECESS <br /> TY-B 3/4" (19,1 mm) <br /> Sr' � <br /> FIGURE 5 <br /> SERIES TY-B RECESSED PENDENT SPRINKLER ASSEMBLY <br /> ' 0 ' <br /> WITH TWO -PIECE 3/4 INCH TOTAL ADJUSTMENT <br /> STYLE 10 RECESSED ESCUTCHEON <br /> 5.6 K- FACTOR, 1/2 INCH NPT %'� <br /> PUSH WRENCH <br /> IN TO ENSURE <br /> 2 - 7/8" DIA. ENGAGEMENT <br /> 5/8±1/4" (73 mm) 3/4" (19,1 mm) WITH SPRINKLER <br /> WRENCHING AREA <br /> (15,9 ±6,4 mm) 2 -1/4" DIA. 1/4" (6,4 mm) <br /> (57,2 mm) FIGURE 8 <br /> FACE OF MOUNTING W -TYPE 7 RECESSED <br /> • <br /> SPRINKLER PLATE SPRINKLER WRENCH <br /> FITTING <br /> 1/8" <br /> , 1j (3,2 mm) - Installation <br /> %' The Series TY -B Sprinklers must be <br /> installed in accordance with the follow - <br /> �� ing instructions: <br /> MOUNTING . NOTES <br /> SURFACE _-_ . Do not install any bulb type sprinkler if <br /> the bulb is cracked or there is a loss of <br /> CLOSURE SERIES 1- 5/16" (33,3 mm) liquid from the bulb. With the sprinkler <br /> TY-B 13/16" (20,6 mm) held horizontally, a small air bubble <br /> should be present. The diameter of the <br /> air bubble is approximately 1/16 inch <br /> FIGURE 6 (1,6 mm) for the 135 °F /57 °C to 3/32 <br /> SERIES TY-B RECESSED PENDENT SPRINKLER ASSEMBLY t ech emperat rat ure ratings. <br /> mm) for the 360 ° F /182 °C <br /> WITH TWO -PIECE 3/4 INCH TOTAL ADJUSTMENT <br /> t <br /> STYLE 40 RECESSED ESCUTCHEON A 1/2 inch NPT sprinkler joint should <br /> 8.0 K- FACTOR, 3/4 INCH NPT be obtained with a minimum to maxi- <br /> mum torque of 7 to 14 ft.lbs. (9,5 to <br /> 19,0 Nm). A 3/4 inch NPT sprinkler <br /> joint should be obtained with a mini- <br /> mum to maximum torque of 10 to 20 <br /> ft.lbs. (13,4 to 26,8 Nm). Higher levels <br /> of torque may distort the sprinkler inlet <br /> and cause leakage or impairment of <br /> the sprinkler. <br /> Do not attempt to make -up for insuffi- <br /> cient adjustment in the escutcheon <br /> plate by under- or over - tightening the <br />