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Page 8 of 9 <br /> ® QUICK RESPONSE <br /> DRY PENDENT <br /> N41KJNG4 ELO SPRINKLERS <br /> The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058 <br /> Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com <br /> Visit the Viking website for the latest edition of this technical data page www.vikinggroupinc.com <br /> Exposed Barrel Ambient Temperature Install 1-1/4" NPT (32 mm BSP) threaded end of dry pendent <br /> Ambient sprinkler into the 1-1/4" NPT(32 mm BSP)outlet of a malleable <br /> Temperature of 40°F(4°C) 50°F(10°c) 60°F(16°c) iron tee fittingper ANSI B 16.3 Class 150 or cast iron threaded <br /> Protected Area*at p ( ) <br /> the Discharge End Exposed Minimum Barrel Length"Face tee fitting per ANSI 16.4 (Class 125) <br /> of the Sprinkler of Tee to Top of Ceiling <br /> In.(mm) <br /> 40°F(4°C) 0 0 o Minimum ceiling <br /> 30°F(-4°C) 0 0 0 opening diameter: <br /> 20°F(-7°C) 4(102) 0 0 F- 2" (51 mm) <br /> 10°F(-12°C) 8(203) 1 (26) o Exposed barrel Maximum ceiling <br /> 0°F(-18°C) 12(305) 3(76) o opening diameter: <br /> -10°F(-23°C) 14(356) 4(102) 1(26) 2-3/8" (61 mm) <br /> -20°F(-29°C) 14(356) 6(152) 3(76) ----- <br /> -30°F(-34°C) ---- <br /> 16(406) 8(203) 4(102) Ceiling 13/16" <br /> -40°F(-40°C) 18(457) 8(203) 4(102) 1-7/8"(48 mm) (21 mm) <br /> 50°F(-46°C) 20(508) 10(254) 6(152) diameter Sleeve finish <br /> matches <br /> -60°F(-51°C) 20(508) 10(254) 6(152) 3-7/8" escutcheon <br /> (Protected area) (99 mm) <br /> Seal the clearance space around the sprinkler to avoid leakage of air into the protected area and consequent formation of condensate around <br /> the frame,which could inhibit operation or cause premature operation.Refer to Figure 6 below. <br /> If humidity and temperature differential causes condensation on the exposed dry sprinkler,consider wrapping the exposed barrel with <br /> insulation,foam insulating tape,or equivalent. <br /> Deflector at minimum <br /> distance below ceiling. <br /> NOTE: To locate the NOTE: To locate the <br /> deflector at the minimum deflector at the maximum 9 <br /> distance below the distance below the ceiling, <br /> ceiling, with no upward with no downward adjust- 10" <br /> adjustment available, ment available, order the (254 mm) <br /> order the dry pendent as q6r(102 <br /> dry pendent sprinkler 6" Maximum <br /> perthe`A"dimension. (153 mm)longer than the <br /> 4„ A"dimension. <br /> mm) <br /> Minimum Deflector at maximum <br /> distance below ceiling. <br /> 'The protected area refers to the area below the ceiling.The ambient temperature is the temperature at the discharge end of the sprinkler. <br /> For protected area temperatures that occur between the values listed,use the next cooler temperature. <br /> "The minimum required barrel length is not the same as the"A"dimension.Refer to Figures 2-4 for the"A"dimension. <br /> NOTE:Exposed minimum barrel lengths are inclusive up to 30 mph wind velocities. <br /> Figure 5: Dry Pendent Sprinkler Required Minimum Barrel Length Based on Ambient Temperature in the Protected Area <br /> (Adjustable Standard Dry Pendent Sprinkler is shown) <br /> Form No. F_040915 20.03.18 Rev. 20.1 <br />