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Page 5 of 7 <br /> N41KJNG4 ® STANDARD RESPONSE <br /> DRY PENDENT STANDARD <br /> ORIFICE 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. <br /> For 'A' Dimension: 1, Determine the distance from the face of the tee to the finished ceiling. <br /> 2. Round to the nearest 1/2' (12.7 mm) between 1-1/2' and 45-1/2' (38.1 mm and 1,156 mm). <br /> NOTE: The deflector will be located approximately 3-7/16' (87.3 mm) below the ceiling. <br /> with 1' (25.4 mm) upward and 1' (25.4 mm) downward adjustment. <br /> Deflector at minimum <br /> distance below ceiling. <br /> NOTE: To locate the deflector <br /> at the minimum distance <br /> below the ceiling, with no <br /> -- upward adjustment available, <br /> 2-7/16' order the dry pendent <br /> (61.9 mm) sprinkler 1' (25.4 mm) <br /> Minimum ceiling opening Minimum shorter than the A dimension. <br /> A diameter: 1-3/4' (44.5 mm). <br /> Maximum ceiling hole <br /> diameter: 2-1/4' (57 mm), <br /> 13/16' NOTE: To locate the deflector <br /> Finished L - (20.6 mm) at the maximum distance <br /> Ceiling 4-7/16' below the ceiling, with no <br /> 1-1/2' Sleeve finish (112,7 mm) downward adjustment available, <br /> (38,1 mm) matches Maximum order the dry pendent <br /> diameter escutcheon sprinkler 1' (25.4 mm) <br /> 3-1/16' longer than the A dimension. <br /> (77.8 mm) <br /> Deflector at maximum <br /> distance below ceiling. <br /> Figure 3: Adjustable Standard Dry Pendent Sprinkler <br /> For 'A' Dimension <br /> 1. Determine the distance <br /> from the face of the <br /> Atee to finished ceiling, T <br /> 2. Round to the nearest <br /> Minimum ceiling opening size: 1/4' (6.35 mm) between Outside A For 'A' Dimension: <br /> 2-1/8' (54 mm) 3-1/4' (82.5 mm) and diameter: 1. Determine distance <br /> 47-1/2' (1,219 mm). 1-5/16" <br /> diameter. (33.4 mm) from face of the <br /> Maximum ceiling NOTE: The sprinkler will be (same as 1" tee to the base <br /> opening sizes recessed approximately (25 mm) of the sprinkler, <br /> 2-1/2' (63.5 mm) 5/16' (7.9 mm) above the Schedule 2. Round up to next <br /> diameter. 40 pipe). higher 1/2' (12.7 mm) <br /> finished ceiling with 5/8° increment between <br /> Adjustment: (15.8 mm) vertical adjust- 3' (76.2 mm) and 47' <br /> 5/16' - ;:::' ment available. (1,194 mm). <br /> (7.9 mm) <br /> Minimum: ( -1--1 Finished ceiling <br /> 1' (25.4 mm) <br /> (48.3 mm) <br /> Maximum: 3-1/16' <br /> 1-5/8' (42.1 mm) (77.9 mm) <br /> Figure 4: Adjustable Recessed Dry Pendent Sprinkler Figure 5: Plain Barrel Dry Pendent Sprinkler <br /> Form No. F 071591 18.06.21 Rev 18.1 <br /> I <br />