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Page 3 of 5 <br /> ® FREEDOM° RESIDENTIAL <br /> NIKI • 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. <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 NPT Thread Size Nominal K-Factor Maximum Water Wor- <br /> Part Number' SIN <br /> Inches mm U.S. metrics 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(bar) Deflector to Installation Approvals',' Spacing <br /> W X L (LPM) <br /> Ceiling Type 4 Ft. <br /> Ft.X Ft. <br /> 155°F(68°C),175°F(79°C),200°F(93°C) c �L us (m) <br /> (m X m) Temperature Rated Sprinklers eu <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 Refer to Figure 2 Cover Plate See Footnotes 7,10,&11 8 <br /> (4.9 X 4.9) (49.2) (0.48) 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 /> 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 /> 3 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 /> i Listed by Underwriter's Laboratories,Inc.for use in the U.S.,Canada,and European Union. <br /> '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, 13642'(large diameter),or 15394'(square cover plate). <br /> s 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 /> "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 9. <br /> "C-UL-US-EU Listed as corrosion resistant-Electroless Nickel PTFE(ENT) <br /> Form No. F_012116 16.06.27 Rev 16.1 <br />