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Page 2 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 /> Sleeve (for Adjustable Standard style only): Brass UNS-C26000 or UNS-C26800 <br /> Dry Barrel Seals: (NOTE: 2 seals included with each VK544 and 1 with each VK545 or VK546): <br /> Seal: <br /> ASTM D1056 2A0/1 4015-EL EPDM-Butyl-PE Foam Rubber OR <br /> ASTM D1056 2A1 Neoprene/EPDM/SBR OR <br /> ASTM D1056 2C1 Neoprene/EPDM <br /> Over Seal Ring and Under Seal Ring: Cold Rolled Steel <br /> Finish: White Paint <br /> #10 Screws: Stainless Steel <br /> Escutcheon Materials: <br /> Adjustable Standard Dry Escutcheons: Brass UNS-C26000 or UNS-C26800 <br /> Recessed Dry Escutcheons: Cold Rolled Steel UNS-G10080 <br /> Ordering Information: Refer to Table 1. <br /> 4. INSTALLATION <br /> Refer to the applicable FM Loss Prevention data sheets. <br /> Refer to appropriate NFPA Installation Standards. <br /> 5. OPERATION <br /> During fire conditions, the heat-sensitive fusible element assembly disengages, releasing the internal parts to open the waterway. <br /> Water flowing through the sprinkler orifice strikes the sprinkler deflector, forming a uniform spray pattern to suppress the fire. <br /> 6. INSPECTIONS, TESTS AND MAINTENANCE <br /> Refer to NFPA 25 for Inspection, Testing and Maintenance requirements. <br /> 7. AVAILABILITY <br /> The Viking Quick Response Dry Pendent Sprinkler is available through a network of domestic and international distributors. See <br /> The Viking Corporation web site for the closest distributor or contact The Viking Corporation. <br /> 8. GUARANTEE <br /> For details of warranty, refer to Viking's current list price schedule or contact Viking directly. <br /> Wrench 19748*must be <br /> used for installing recessed Step 2:Carefully press the <br /> dry sprinklers. wrench upward and turn <br /> Step 1:Carefully slide the "A 1/2"ratchet is required slightly to ensure <br /> wrench sideways around the (not available from Viking). ; ; engagement with the <br /> sprinkler deflector. sprinkler wrench flats. <br /> tf <br /> Figure 1: Wrench 19748W/B for Adjustable Recessed Dry Pendent Sprinklers <br /> Form No. F_040915 20.03.18 Rev. 20.1 <br />