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July 12, 2012 Sprinkler 149m <br /> �R FREEDOM� RESIDENTIAL <br /> ,� ' � ' ' PENDENT SPRINKLER <br /> VK468 (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 /> 1. DESCRIPTION <br /> Viking Freedom� Residential Pendent Sprinkler VK468 is a small, thermosensitive, glass- =� <br /> bulb residential sprinkler available in several different finishes and temperature ratings to :�——� <br /> :�--'__�._. <br /> meet varying design requirements.The orifice design,with a K-Factor of 4 9(70 6 metrict), �--_—=�i <br /> allows efficient use of available water supplies for the hydraulically designed fire-protection -- <br /> system. The glass bulb operating element and special deflector characteristics meet the <br /> i_�JrO�IOf.^�^ � <br /> '_ �� _ <br /> challenges of residential sprinkler standards. I_i �-, i <br /> 2. LISTINGS AND APPROVALS I �� � ';� ; <br /> � u� U5 cULus Listed: Category VKKVV I� �---', �i � <br /> o ;�. � �y <br /> NYC Approved: MEA 89-92-E, Volume 35 �'r �/ <br /> �`. �; ,j/ <br /> NSF Certified: NSF/ANSI Standard 61, Drinking Water System Components i <br /> �:��:-:�;� <br /> Refer to the Approval Chart on page 1490 and Design Criteria on page 149r for <br /> cULus Listing requirements that must be followed <br /> 3. TECHNICAL DATA <br /> Specifications: <br /> Available since 2006 <br /> Minimum Operating Pressure Refer to the Approval Chart. <br /> Maximum Working Pressure 175 psi (12 bar) Factory tested hydrostatically to 500 psi (34 5 bar) <br /> Thread size 1/2"(15 mm) NPT <br /> Nominal K-Factor 4 9 U S (70 6 metrict) <br /> tMetric K-factor measurement shown is in Bar When pressure is measured in kPa,divide the metric K-factor shown by 10.0 <br /> Glass-bulb fluid temperature rated to-65°F (-55 °C) <br /> Overall Length 2-1/4" (58 mm) <br /> Material Standards: <br /> Frame Casting Brass UNS-C84400 or QM Brass <br /> Deflector Brass UNS-C23000, Phosphor Bronze UNS-051000, or Brass Viking Tech�ical Data may be found on <br /> UNS-C26000 The Viking Corporation's Web site at <br /> Bulb Glass, nominal 3 mm diameter http:l/www.vikinggroupinc.com. <br /> Belleville Sprfng Sealing Assembly� Nickel Alloy, coated on both sides with The web site may include a more recent <br /> Polytetrafluoroethylene (PTFE)Tape edition of this Technical Data Page. <br /> Pip Cap and Insert Assembly� Copper UNS-C11000 and Stainless Steel <br /> U N S-S30400 <br /> Compression Screw� Brass UNS-C36000 <br /> Ordering Information: (Also refer to the current Viking price list.) <br /> Sprinkler: Base Part No 13637 <br /> Order Sprinkler VK468 by first adding the appropriate suffix for the sprinkler finish and then the appropriate suffix for the tempera- <br /> ture rating to the sprinkler base part number <br /> Finish Suffix: Brass=A, Chrome-Enloy�= F, and White Polyester= M-/W <br /> Temperature Suffix: 155 °F(68 °C) = B, 175°F(79°C) = D <br /> For example, sprinkler VK468 with a Brass finish and a 155°F(68 °C)temperature rating = Part No 13637A6 <br /> Available Finishes And Temperature Ratings: <br /> Refer to Table 1 <br /> Accessories: (Also refer to the "Sprinkler Accessories"section of the Viking data book.) <br /> Sprinkler Wrenches: <br /> A Standard Wrench Part No 10896W/B (avaitable since 2000) <br /> B Wrench for recessed sprinklers Part No 13577W/B'(available since 2006) <br /> C Optional Protective Sprinkler Cap Remover/Escutcheon Installer Tool*' Part No 15915(available since 2010) <br /> `A Yi'ratchet is required (not available from Viking) <br /> "Allows use from the floor by attaching a length of 1"diameter CPVC tubing to the tool. Ideal for sprinkler cabinets. Refer to Bulletin F 051808 <br /> Form No F_012706 Replaces page 149m-t, dated January 13, 2012.(Replaced shipping cap 15875 <br /> with 17148, also replaced brand name with PTFE) <br />