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Page 3 of 5 <br /> 3K FREEDOM° RESIDENTIAL <br /> CONCEALED PENDENT <br /> SPRINKLER VK494 (K4.9) <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 <br /> Viking VK494, 4.9 K-Factor Residential Concealed Pendent Sprinkler <br /> For systems designed to NFPA 13D or NFPA 13R. For systems designed to NFPA 13,refer to the design criteria. For Ceiling types refer to <br /> current editions of NFPA 13, 13R or 13D <br /> Sprinkler Base SIN NPT Thread Size Nominal K-Factor Maximum Water Wor- <br /> Part Number 1 Inches mm U.S. metric 2 king Pressure <br /> 20759 VK494 1/2 15 4.9 70.6 175 psi (12 bar) <br /> Max. Coverage Flow Pressure Listings and Minimum <br /> Area 6 GPM PSI <br /> (bar) Deflector to Installation Approvals3,s <br /> WXL (LPM) <br /> Spacing <br /> Ft.X Ft. Ceiling Type Ft. <br /> 155°F(68°C), 200°F(93°C)Temperature U 4 <br /> (m X m) Rated Sprinklers coos (m) <br /> 12 X 12 13 7.0 <br /> (3.7 X 3.7) (49.2) (0.48) <br /> 14 X 14 13 7.0 <br /> (4.3 X 4.3) (49.2) (0.48) <br /> Concealed with <br /> 16 X 16 13 7.0 Cover Plate See Footnotes 7,10,&11 8 <br /> (4.9 X 4.9) (49.2) (0.48) Refer to Figure 2 Assembly. (2.4) <br /> 18 X 18 17 12.0 See Footnote 9. <br /> (5.5 X 5.5) (64.4) (0.83) <br /> 20 X 20 20 16.7 <br /> (6.1 X 6.1) (75.7) (1.15) <br /> Footnotes <br /> Part number shown is the base part number. For complete part number,refer to current Viking 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 /> This chart shows the listings and approvals available at the time of printing. Other approvals may be in process. Check with the manufacturer for any additional approvals. <br /> Refer also to Design Criteria. <br /> 4 Listed by Underwriter's Laboratories,Inc.for use in the U.S.,Canada,and European Union. <br /> 5 Meets New York City requirements,effective July 1,2008. <br /> e For areas of coverage smaller than shown,use the"Flow'and"Pressure"for the next larger area listed. Flows and pressures listed are per sprinkler. The distance from <br /> sprinklers to walls shall not exceed one-half the sprinkler spacing indicated for the minimum"Flow'and"Pressure"used. <br /> Cover Temperature Rating is 135°F(57°C). Cover Part No.135041, 136421(large diameter),or 15394'(square cover plate). <br /> 9 Other paint colors are available on request with the same listings as the standard finish colors. Listings and approvals apply for any paint manufacturer. Contact Viking <br /> for additional information. Custom colors are indicated on a label inside the cover assembly. Refer to Figure 3. <br /> 0 Accepted Cover Plate Finishes are: Polished Chrome,Brushed Chrome,Bright Brass,Antique Brass,Brushed Brass,Brushed Copper, Painted White,Painted Ivory,or <br /> Painted Black 1. <br /> "C-UL-US-EU Listed as corrosion resistant-Electroless Nickel PTFE(ENT) <br /> Form No. F_012116 17.04.20 Rev 17.2 <br />