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Page 2 of 4 <br /> " MICROFAST° QUICK <br /> RESPONSE UPRIGHT <br /> SPRINKLER VK300 (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 /> 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 Temperature Sprinkler Nominal Maximum Ambient Bulb Color <br /> Classification Temperature Rating' Ceiling Temperature <br /> z <br /> Ordinary 135 T(57°C) 100 T(38°C) Orange <br /> Ordinary 155 T(68°C) 100 T(38°C) Red <br /> Intermediate 175 T(79°C) 150 T(65°C) Yellow <br /> Intermediate 200 T(93°C) 150 T(65°C) Green <br /> High 286 T(141 °C) 225 T(107°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 /> 2 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 surfaces only. <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 /> Protective Sprinkler Cap------_____ <br /> Wrench Flat <br /> Figure 1: <br /> Standard Sprinkler Wrench 21475M/B <br /> Form No. F_052114 18.10.11 Rev 17.1.P65 <br />