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Page 2 of 6 <br /> N41KJNG4 ® MICROFAST° QUICK <br /> RESPONSE PENDENT <br /> SPRINKLER VK302 (K5.6) <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 /> Finish Suffix: Brass =A, Chrome = F, White Polyester= M-/W, Black Polyester= M-/B, and ENT= JN <br /> Temperature Suffix: 135 °F (57 °C) =A, 155 °F (68 °C) = B, 175 °F (79 °C) = D, 200 °F (93 °C) = E, 286 °F (141 °C) = G <br /> For example, sprinkler VK302 with a Brass finish and a 155 °F (68 °C)temperature rating = Part No. 12979AB <br /> Available Finishes And Temperature Ratings: Refer to Table 1. <br /> Accessories: (Also refer to the current Viking price list.) <br /> Sprinkler Wrenches: <br /> A. Standard Wrench: Part No. 21475M/B. <br /> B. Wrench for Recessed Pendent Sprinklers: Part No. 13655W/B**(available since 2006) <br /> C. Optional Protective Sprinkler Cap Remover/Escutcheon Installer Tool*** Part No. 15915 (available since 2010) <br /> **A%"ratchet is required (not available from Viking). <br /> ***Allows use from the floor by attaching a length of 1"diameter CPVC tubing to the tool. Ideal for sprinkler cabinets.Refer to Bulletin F_051808. <br /> Sprinkler Cabinets: <br /> A. Six-head capacity: Part No. 01724A(available since 1971) <br /> B. Twelve-head capacity: Part No. 01725A(available since 1971) <br /> 4. INSTALLATION <br /> Refer to appropriate NFPA Installation Standards. <br /> 5. OPERATION <br /> During fire conditions, the heat-sensitive liquid in the glass bulb expands, causing the glass to shatter, releasing the pip cap and <br /> sealing spring assembly. Water flowing through the sprinkler orifice strikes the sprinkler deflector, forming a uniform spray pattern <br /> to extinguish or control 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 Microfast°Quick Response Pendent Sprinkler VK302 is available through a network of domestic and international dis- <br /> tributors. See 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 Flat <br /> Protective Sprinkler Cap <br /> Figure 1: <br /> Standard Sprinkler Wrench 21475M/B <br /> Form No. F_033314 20.07.14 Rev 20.1 <br />