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Page 1 of 4 <br /> R MICROFAST° QUICK <br /> NIKJNG4 RESPONSE UPRIGHT <br /> SPRINKLER VK350 (K8.0) <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 Upright Sprinkler VK350 is a small,thermo- <br /> sensitive,glass-bulb spray sprinkler available in several different finishes,tempera- i r <br /> ture ratings,and K-Factors to meet design requirements.The special Polyester,and <br /> Electroless Nickel PTFE(ENT)coatings can be used in decorative applications where _ <br /> colors are desired. In addition, these coatings have been investigated for installa- <br /> tion in corrosive environments and are listed/approved as indicated in the Approval <br /> Charts. <br /> 2. LISTINGS AND APPROVALS <br /> c @us cULus Listed: Category VNIV <br /> "o FM Approved: Class Series 2000 <br /> vds VdS Approved: Certificates G414017, G414018, G4980020,and G4060054 <br /> WARNING:Cancer and Reproductive Harm- <br /> LPCe` LPCB Approved: Certificate 096e/03 ' www.P65Warnings.ca.gov <br /> E CE Certified: Standard EN 12259-1, EC-certificate of constancy of performance 0832-CPR-SO021 and EC-certificate <br /> of conformity 0786-CPD-40278 <br /> CCCF Approved:Approved by the China Certification Center for Fire Products (CCCF) <br /> Q MED Certified: Standard EN 12259-1, EC-certificate of conformity 0832-MED-1003 <br /> NOTE: Other International approval certificates are available upon request. <br /> Refer to Approval Chart 1 and Design Criteria cULus Listing requirements, and refer to Approval Chart 2 and Design Criteria FM <br /> Approval requirements that must be followed. <br /> 3. TECHNICAL DATA <br /> Specifications: <br /> Minimum Operating Pressure: 7 psi (0.5 bar)* <br /> Maximum Working Pressure: 175 psi (12 bar)wwp. <br /> Factory tested hydrostatically to 500 psi (34.5 bar) <br /> Testing: U.S.A. Patent No. 4,831,870 <br /> Thread size: 1/2" NPT, 15 mm BSP, 3/4" NPT, 20 mm BSP <br /> Nominal K-Factor: 8.0 U.S. (115.2 metric**) <br /> Glass-bulb fluid temperature rated to-65 °F (-55 °C) <br /> Overall Length: 2-5/16" (59 mm) <br /> *Wl_us 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 <br /> Deflector: 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 Viking Microfast®Quick Response Upright Sprinkler VK350 by first adding the appropriate suffix for the sprinkler finish and <br /> then the appropriate suffix for the temperature rating to the sprinkler base part number. <br /> Finish Suffix: Brass =A, Chrome = F, White Polyester= M-NV, Black Polyester= M-/B, and ENT= JN <br /> Temperature Suffix(°F/°C): 135°/57° =A, 155°/68° = B, 175°/79° = D, 200°/93° = E, and 286°/141° = G <br /> For example, sprinkler VK350 with a 1/2"thread, Brass finish and a 155 °F/68 °C temperature rating = Part No. 18259AB <br /> Form No. F_033014 18.10.14 Rev 19.1 Replaces Form F_033014 Rev 18.3.P65 <br /> (Added ENT, updated FM language.) <br />