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Page 4 of 4 <br /> ® MICROFASTO QUICK <br /> NIKJNG4 RESPONSE UPRIGHT <br /> SPRINKLER VK350 (K8.0) <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 /> Approval Chart 2 (FM) Temperature KEY <br /> Microfast°Quick Response ♦+ Finish <br /> A1X4—Escutcheon(if applicable) <br /> Upright Sprinkler VK350 <br /> Maximum 175 PSI (12 bar)WWP <br /> Base Part SIN Thread Size Nominal K-Factor Overall Length FM Approvals' <br /> Number' NPT BSP U.S. metricz Inches mm (Refer also to Design Criteria below.) <br /> 18257 VK350 3/4" -- 8.0 115.2 2-5/16 59 Al, B2 <br /> 18278 VK350 -- 20 mm 8.0 115.2 2-5/16 59 Al, B2 <br /> 182591 VK350 1/2" 15 mm 8.0 115.2 2-5/16 59 Al, B2 <br /> NOTICE-Product Below-Limited Availability(Contact Local Viking Office) <br /> 06665B VK350 3/4" 8.0 115.2 2-5/16 59 Al, B2 <br /> 14817 VK350 -- 20 mm 8.0 115.2 2-5/16 59 Al, B2 <br /> 0676465 VK350 1/2" 15 mm 8.0 115.2 2-5/16 59 Al, B2 <br /> Approved Temperature Ratings Approved Finishes <br /> A- 135 °F (57 °C), 155°F(68 °C), 175 °F (79 °C), 200 °F (93 'C), and 286 °F (141'C) 1 - Brass, Chrome, White Polyester', and Black <br /> B- 155 °F (68 °C), 175°F(79 °C), 200 °F (93°C), and 286 'F (141°C) Polyester' <br /> 2- ENT6 <br /> Footnotes <br /> Base part number is shown. For complete part number, refer to Viking's current price schedule. <br /> 2 Metric K-factor measurement shown is when pressure is measured in Bar.When pressure is measured in kPa,divide the metric K-factor shown by 10.0. <br /> a This table shows the FM Approvals available at the time of printing.Check with the manufacturer for any additional approvals. <br /> 'Other colors are available on request with the same Approvals as the standard colors. <br /> 'The 1/2"NPT Large Orifice Sprinkler is listed and approved for retrofit only when installed in accordance with NFPA 13. <br /> e FM approved as corrosion resistant. <br /> DESIGN CRITERIA- FM EV <br /> (Also refer to Approval Chart 2 above.) <br /> FM Approval Reauirements: <br /> The Microfast®Quick Response Upright Sprinkler VK350 is FM Approved as a quick response Non-Storage upright sprinkler as indicated in the FM <br /> Approval Guide. For specific application and installation requirements,reference the latest applicable FM Loss Prevention Data Sheets(including Data <br /> Sheet 2-0). FM Global Loss Prevention Data Sheets contain guidelines relating to, but not limited to: minimum water supply requirements, hydraulic <br /> design, ceiling slope and obstructions, minimum and maximum allowable spacing,and deflector distance below the ceiling. <br /> NOTE:The FM installation guidelines may differ from cULus and/or NFPA criteria. <br /> IMPORTANT. Always refer to Bulletin Form No. F_091699 - Care and Handling of Sprinklers.Also refer to Bulletin Form No. <br /> F_080614 for general care, installation, and maintenance information.Viking sprinklers are to be installed in accordance with <br /> the latest edition of Viking technical data,the appropriate standards of NFPA, FM Global, LPCB,APSAD,VdS or other similar <br /> organizations, and also with the provisions of governmental codes, ordinances, and standards, whenever applicable. <br /> Form No. F_033014 18.10.14 Rev 19.1 Replaces Form F_033014 Rev 18.3.P65 <br /> (Added ENT, updated FM language.) <br />