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Sprinkler 123b January 17, 2014 <br /> C <br /> ESFR PENDENT SPRINKLER <br /> N I KJ NG4 VK503 (K16.8) <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 /> Finish Suffix: Brass =A <br /> Temperature Suffix: 165 °F (74 °C) = C, 205 °F (96 °C) = E <br /> For example, sprinkler VK503 with a Brass finish and a 165 °F (74 °C)temperature rating = Part No. 14073AC. <br /> Available Finishes And Temperature Ratings: Refer to Table 1. <br /> Accessories: (Also refer to the"Sprinkler Accessories"section of the Viking data book.) <br /> Sprinkler Wrench: Part No. 13635W/B(double-ended wrench - Use Side A. Side B is for use with K25.2 ESFR Pendent Sprinkler <br /> VK510)Available since 2006. <br /> Sprinkler Cabinet: Twelve-head capacity: Part No. 01725A(available since 1971) <br /> 4. INSTALLATION <br /> WARNING: Viking sprinklers are manufactured and tested to meet rigid requirements of the approving agency. The sprinklers are <br /> designed to be installed in accordance with recognized installation standards. System design must be based on ESFR design <br /> guidelines described in the latest edition of Viking technical data, applicable FM Global Loss Prevention Data Sheets, the latest <br /> NFPA Standards, the latest standards of Verband der Sachversicherer (VdS), Loss Prevention Council (LPCB), the Authorities <br /> Having Jurisdiction,and also with the provisions of governmental codes,ordinances,and standards whenever applicable. Deviation <br /> from the standards or any alteration to the sprinkler after it leaves the factory including, but not limited to: painting, plating, coating, <br /> or modification, may render the sprinkler inoperative and will automatically nullify the approval and any guarantee made by The <br /> Viking Corporation. <br /> A. Sprinklers must be handled with care. They must be stored in a cool, dry place in their original shipping container. Never install <br /> sprinklers that have been dropped or damaged in any way. Such sprinklers should be destroyed immediately. NOTE: Wet pipe <br /> systems must be provided with adequate heat. <br /> B. The sprinklers must be installed after the piping is in place to prevent mechanical damage. Before installing, be sure to have the <br /> appropriate sprinkler model and style, with the correct orifice size, temperature rating, and response characteristics. <br /> C.With the sprinkler contained in the plastic protective cap,apply a small amount of pipe-joint compound or tape to the male threads <br /> only, while taking care not to allow a build-up of compound in the sprinkler orifice. <br /> D. Use ONLY sprinkler wrench 13635W/B (shown in Figure 1)for installing ESFR Sprinkler VK503! With the sprinkler con- <br /> tained in the protective cap, install the sprinkler onto the piping by applying the sprinkler wrench to the sprinkler wrench <br /> flats only, while taking care not to damage the sprinkler operating parts. <br /> DO NOT use any other type of wrench, as this could damage the unit. <br /> DO NOT use the sprinkler deflector or fusible element to start or thread the sprinkler into a fitting. <br /> DO NOT exceed 50 ft. lbs.of torque(hand tight, plus approximately two full turns with the wrench)to install these sprinklers. Higher <br /> levels of torque may distort the sprinkler inlet with consequent leakage or impairment of the sprinkler. <br /> E.After installation,the entire sprinkler system must be tested.The test must be conducted to comply with the Installation Standards. <br /> Make sure the sprinkler has been properly tightened. If a thread leak occurs, normally the unit must be removed, new pipe-joint <br /> compound or tape applied, and then reinstalled.This is due to the fact that when the joint seal is damaged,the sealing compound <br /> or tape is washed out of the joint. Immediately replace any damaged units, using the special sprinkler wrench only. <br /> TABLE 1:AVAILABLE SPRINKLER TEMPERATURE RATINGS AND FINISHES <br /> Sprinkler Temperature Sprinkler Nominal Maximum Ambient Frame Paint <br /> Classification Temperature Rating' Ceiling Temperature' Color <br /> Ordinary 165 °F (74 °C) 100 °F (38 °C) None <br /> Intermediate 205 °F (96°C) 150 °F (65 °C) White <br /> Sprinkler Finish: Brass <br /> Footnotes <br /> The sprinkler temperature rating is stamped on the deflector. <br /> z Based on NFPA-13.Other limits may apply,depending on fire loading,sprinkler location,and other requirements of the Authority Having Jurisdiction. <br /> Refer to specific installation standards. <br />