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Page 1 of 6 <br /> R MICROFAST® QUICK <br /> • • • RESPONSE PENDENT <br /> SPRINKLER VK302 (K5.6) <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 /> 1. DESCRIPTION <br /> The Viking Microfast'Quick Response Pendent Sprinkler VK302 is a small ther- <br /> mosensitive glass bulb spray sprinkler available with various finishes and tempera- <br /> ture ratings to meet design requirements. The special Polyester 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 in <br /> corrosive environments and are Listed and Approved as indicated in the Approval <br /> Charts. <br /> 2. LISTI <br /> NGS AND APPROVALS <br /> ten w cULus Listed: Category VNIV <br /> K FM Approved: Class Series 2000 __ <br /> WARNING;Cancer and Reproductive Harm- <br /> vdS VdS Approved: Certificates G414009, G414010, G4040095, and 4880045 F1 kv P65Warnings.ca.9ov <br /> �irce� LPCB Approved: Certificate 096e106 <br /> C f„ p p <br /> CE CE Certified: Standard EN 12259-1, certificate of constancy of performance 0832-CPR-SO021 <br /> I � CCCF Approved: Approved by the China Certification Center for Fire Products (CCCF) <br /> MED Certified: Standard EN 12259-1, EC-certificate of conformity 0832-MED-1003 <br /> Refer to Approval Chart 1 and Design Criteria cULus Listing requirements, and refer to Approval Chart 2 and Design Criteria for <br /> FM Approval requirements that must be followed. <br /> 3. TECHNICAL DATA <br /> Specifications: <br /> Minimum Operating Pressure: 7 psi (0.5 bar) <br /> Rated to 175 psi (12 bar)water working pressure <br /> Factory tested hydrostatically to 500 psi (34.5 bar) <br /> Thread size: 1/2" NPT, 15 mm BSP <br /> Nominal K-Factor: 5.6 U.S. (80.6 metric") <br /> Glass-bulb fluid temperature rated to-65 `F (-55 °C) <br /> Overall Length: 2-1/4" (58 mm) <br /> `cULus Listing, FM Approval, and NFPA 13 installs require a minimum of 7 psi (0.5 bar). The minimum operating pressure for LPCB and CE <br /> Approvals ONLY is 5 psi(0.35 bar). <br /> Material Standards: <br /> Frame Casting: Brass UNS-C84400 or QM Brass <br /> Deflector: Phosphor Bronze UNS-051000 or Copper UNS-C19500 <br /> Bulb: Glass, nominal 3 mm diameter <br /> Belleville Spring Sealing Assembly: Nickel Alloy, coated on both sides with PTFE Tape <br /> Screw; Brass UNS-C36000 <br /> Pip Cap and Insert Assembly: Copper UNS-C11000 and Stainless Steel UNS-S30400 <br /> For Polyester Coated Sprinklers: Belleville Spring-Exposed <br /> For ENT Coated Sprinklers: Belleville Spring-Exposed, Screw and Pipcap - ENT plated. <br /> Ordering Information: (Also refer to the current Viking price list.) <br /> Order Quick Response Pendent Sprinklers by first adding the appropriate suffix for the sprinkler finish and then the appropriate <br /> suffix for the temperature rating to the sprinkler base part number. <br /> Finish Suffix: Brass =A, Chrome = F,White Polyester= M-/W, Black Polyester= M-/B, and ENT=JN <br /> Temperature Suffix: 135 °F (57 °C) =A, 155 °F (68 °C) = B, 175 *F(79 °C) = D, 200 °F (93 °C)= E, 286 °F (141 °C)= G <br /> Form No. F_033314 19.02.21 Rev 19.1 Replaces Form No. F_033314 Rev 18.1.P65 <br /> (Removed F-1 Escutcheon.) <br />