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Page 1 of 5 <br />® STANDARD RESPONSE <br />ELO UPRIGHT SPRINKLER <br />VK530 <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. <br />1. DESCRIPTION <br />The Viking Standard Response ELO Upright Sprinkler VK530 is a thermosensitive <br />glass bulb spray sprinkler available in several different finishes and temperature <br />ratings to meet design requirements. The special Polyester, PTFE, and Electroless <br />Nickel PTFE (ENT) coatings can be used in decorative applications where colors <br />are desired. In addition, these coatings have been investigated for installation <br />in corrosive environments and are listed/approved as indicated in the Approval <br />Charts. <br />The extra -large orifice provides greater flows at lower pressures than standard <br />orifice or large orifice sprinklers. This feature allows reduced pipe sizing for <br />hydraulically calculated sprinkler systems, which require high densities of water. <br />On existing systems, replacing large orifice sprinklers with extra -large orifice <br />sprinklers may provide the higher densities required to allow an increase in the <br />hazard classification of an occupancy. <br />Viking standard response sprinklers may be ordered and/or used as open sprin- <br />klers (glass bulb and pip cap assembly removed) on deluge systems. Refer to <br />Ordering Instructions below. <br />2. LISTINGS AND APPROVALS <br />Alas cULus Listed: Category VNIV <br />FM FM Approved: Class 2009 <br />c <br />da <br />NOTE: As of May 2018 all logos have been removed from the <br />wrench boss. <br />WARNING: Cancer and Reproductive Harm- <br />www.P65Warnings.ca.gov <br />Refer to Approval Chart 1 and Design Criteria on page 3 for cULus Listing requir- <br />ments, and refer to Approval Chart 2 and Design Criteria on page 4 for FM Approval requirements that must be followed. <br />3. TECHNICAL DATA <br />Specifications: <br />Available since 1992. <br />Maximum Working Pressure: 175 psi (12 bar). <br />Factory tested hydrostatically to 500 psi (34.5 bar). <br />Thread size: 3/4" NPT or 20 mm BSP <br />Nominal K-Factor: 11.2 U.S. (161.3 metric*) <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 />Glass -bulb fluid temperature rated to -65 °F (-55 °C) <br />Overall Length: 2-5/16" (58.7 mm) <br />Material Standards: <br />Sprinkler Frame: Brass UNS-C84400 <br />Deflector: Brass UNS-051000 <br />Bulb: Glass, nominal 5 mm diameter <br />Pip Cap and Insert Assembly: Copper UNS-C11000 and Stainless Steel UNS-S30400 <br />Compression Screw: Brass UNS-C36000 <br />Belleville Spring Sealing Assembly: Nickel Alloy, coated on both sides with PTFE Tape <br />For PTFE Coated Sprinklers: Belleville Spring -Exposed, Screw -Nickel Plated, Pip Cap-PTFE Coated <br />For Polyester Coated Sprinklers: Belleville Spring -Exposed <br />For ENT Coated Sprinklers: Belleville Spring -Exposed, Screw and Pipcap-ENT plated <br />Form No. F 010692 21.09.16 Rev 21.1 Replaces Form No. F_010692 Rev 19.1 <br />(Updated Deflector Material) <br />