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Page 4 of 6 <br />® QUICK RESPONSE <br />ELO PENDENT <br />SPRINKLER VK377 <br />(STORAGE-DENSITY/AREA) <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 - FMTemperature <br />KEY <br />Quick Response Extra -Large Orifice Pendent Sprinkler VK377 <br />Finish <br />Fi1_x�,—Escutcheon (if applicable) <br />Maximum 176 PSI (12 Bar) WWP <br />Base Part <br />Sprinkler <br />Thread Size <br />Nominal K-Factor <br />Overall Length <br />FM Approvals3 <br />Number' <br />SIN <br />Style <br />(Refer also to Design Criteria below.) <br />NPT <br />BSP <br />U.S. <br />metricz <br />Inches <br />mm <br />08337 <br />VK377 <br />I Pendent <br />3/4" <br />20 mm <br />11.2 <br />161.3 <br />2-5/16 <br />58.7 <br />A1X <br />Approved Temperature Ratings <br />Approved Finish <br />Escutcheons <br />A - 155 T (68 °C), 175 T (79 °C), 200 T (93 °C), and <br />286 OF (141 °C) <br />1 -Brass and ENT° <br />X -Standard surface -mounted escutcheons <br />Footnotes <br />1. Base part number 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 <br />K-factor shown by 10.0. <br />3. This table shows the FM Approvals available at the time of printing. Other approvals may be in process. <br />a. FM approved as corrosion resistant. <br />DESIGN CRITERIA - FM I <br />Also refer to the Approval Chart above. <br />FM Approval Requirements: <br />1. Sprinkler VK377 is FM Approved as a quick response pendent Storage sprinkler as indicated in the FM Approval Guide. <br />• For specific application and installation requirements, reference the latest applicable FM Loss Prevention Data Sheets (including Data Sheets <br />2-0 and 8-9). <br />2. Approved storage sprinklers are also FM Approved for use as non -storage sprinklers. <br />• For specific application and installation requirements, reference the latest applicable FM Loss Prevention Data Sheets (including Data Sheet <br />2-0). <br />FM Global Loss Prevention Data Sheets contain guidelines relating to, but not limited to: minimum water supply requirements, hydraulic design, <br />ceiling slope and obstructions, minimum and maximum allowable spacing, and deflector distance below the ceiling. <br />NOTE: The FM Installation guidelines may differ from UL and/or NFPA criteria. <br />IMPORTANT. Always refer to Form No. F_091699 - Care and Handling of Sprinklers. Also refer to Form No. F_080614 for general care, <br />installation, and maintenance information. Viking sprinklers are to be installed in accordance with the latest edition of Viking Technical <br />Data, the appropriate standards of NFPA, LPCB, APSAD, VdS or other similar organizations, and also with the provisions of governmental <br />codes, ordinances, and standards, whenever applicable. <br />i <br />Figure 1: Sprinkler Wrenches <br />7/16" (11 mm) <br />Nominal Pipe <br />T_ Engagement <br />2-6/16" <br />(69 mm) 3/4" NPT OR 1/2" NPT <br />(20 mm) (16 mm) <br />IT!� <br />��1-1/4" <br />(32 mm) <br />Figure 2: Sprinkler Dimensions <br />Form No. F_030993 Rev 01 April 2023 <br />