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Page 3 of 5 <br /> ® FREEDOM® RESIDENTIAL <br /> TECHNICAL DATA 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' 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 a GPM PSI(bar) Deflector to Installation Approvals35 <br /> W X L (LPM) Spacing <br /> Ceiling Type Ft. <br /> Ft.X Ft. 155°F(68°C), 200°F(93°C)Temperature ° <br /> (m X m) Rated Sprinklers 4u os (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 /> • <br /> Concealed with See Footnotes 7,9, 10, <br /> 16 X 16 13 7.0 Cover Plate 8 <br /> (4.9 X 4.9) (49.2) (0.48) Refer to Figure 2 Assembly. &11 (2.4) <br /> 18 X 18 17 12.0 See Footnote 8. <br /> (5.5 X 5.5) (64.4) (0.83) <br /> 20 X 20 20 16.7 <br /> (6.1 X6.1) (75.7) (1.15) <br /> Footnotes <br /> 1. Part number shown is the base part number. For complete part number,refer to current Viking price schedule. <br /> z. 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 /> 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 /> 6. 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 /> 7. Cover Temperature Rating is 135°F(57°C).Cover Part No. 135041,13642'(large diameter),or 15394'(square cover plate). <br /> 8. Other paint colors are available on request with the same listings as the standard finish colors. Stainless Steel cover plates are not available with any finishes or paint. <br /> Listings and approvals apply for any paint manufacturer. Contact Viking for additional information. Custom colors are indicated on a label inside the cover assembly. <br /> Refer to Figure 3. <br /> 9_ 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 8. <br /> 10-C-UL-US-EU Listed as corrosion resistant-Electroless Nickel PTFE(ENT) <br /> 11.Stainless Steel Cover plate temperature rating is 135°F(57°C).Stainless Steel Cover Part Numbers:21876'and 21875'(large diameter). <br /> Form No. F_012116 18.10.11 Rev 18.1.P65 <br />