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f <br /> Page 2-of 4 <br /> ® MICROFAST® QUICK <br /> RESPONSE UPRIGHT <br /> SPRINKLER VK300 (K54's) <br /> The Viking Corporation, N 210, Industrial Park Drive, Hastings MI 49658 <br /> Telephone: 269-945-950.1 Technical Services: 877_N4-5464 Fax: 269=818-1680 Email: techsvcs@vikingcorp.com <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 Upright Sprinkler VK300 is available through a network of domestic and international distributors. <br /> 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 /> TABLE 1:AVAILABLE SPRINKLER TEMPERATURE RATINGS AND FINISHES <br /> Sprinkler Tem '"pera'ture Spre'rrN urinal Mazimu Ambient Bulb Dolor <br /> Classification Temperature Rating' Ceiling Te_peraturez, <br /> Ordinary, 135:-°F,(57'C): ::' :166 6,F._(38 <br /> Ordinary 155°.F(68°C).... 100`?F(38.6.C) Reif ..,. <br /> Intermediate 1-75°F(79°c)` 150°F,(65°C) Yellow, <br /> Intermediate 2o0°F(93°C) 150°F:(65:0,C) Green <br /> High. 286 T(141-°C) , 225°F(1.07°C) Blue <br /> Sprinkler Finishes: Brass,Chrome,White Polyester,Black Polyester,and ENT <br /> Corrosion-Resistant Coatings3:White Polyester,Black Polyester,;and Black PTFE.ENT in all temperature ratings except 135°F(57°C) <br /> Footnotes <br /> The sprinkler temperature rating is stamped on the deflector. <br /> Z Based on NFPA-13.Other limits•may apply,depending on fire loading,sprinkler location,and other requirements of the Authority Having Jurisdiction. <br /> Refer to specific_installation standards: <br /> 3 The corrosion-resistant coatings have passed the standard corrosion test required-by the approving agencies indicated in the Approval Charts.'These <br /> tests cannot and do not represent"all possible corrosive environments-Prior to installation,verify through the end-user that the coatings are compat- <br /> ible with or suitable for the proposed environment.For automatic sprinklers,the coatings indicated are applied to the exposed exterior surfacesonly: <br /> Note that the spring is exposed on sprinklers with Polyester,ENT,and PTFE coatings.For ENT coated automatic sprinklers,the waterway is coated. <br /> P;;�,,y <br /> Protective Sprinkler Cap #. <br /> Wrench Flat tz <br /> i *. • <br /> Figure 1: <br /> Standard Sprinkler Wrench 10896W/B <br /> Form No. F_052114 Rev 14.2 <br />