155*f 1/2" Viking Vk460 Residential Horizontal Sidewall Sprinkler White, K=5.8

US $220

  • Los Angeles, California, United States
  • May 30th
Viking Freedom Residential Horizontal Sidewall Fire Sprinklerhead  White Polyster  (50Pcs in Box- Sold as one Piece) 1/2" NPT, 155*F/68*C Glass Bulb,  K=5.8 - UL/FM Model: VK460 1.  DESCRIPTION Viking Freedom® Residential Horizontal Sidewall Sprinkler VK460 is a small, thermosensitive, glass-bulb residential sprinkler available in several different finishes and temperature ratings to meet varying design requirements. The orifice design, with a K-Factor of 5.8 (83.6 metric†), allows efficient use of available water supplies for the hydraulically designed fire-protection system. The glass bulb operating element and special deflector characteristics meet the challenges of residential sprinkler standards. 2.  LISTINGS AND APPROVALS UL Listed (C-UL-US-EU): Category VKKW. Refer to the Approval Chart and Design Criteria for C-UL-US-EU Listing requirements that must be followed. 3.  TECHNICAL DATA Specifications: Available since 2007. Minimum Operating Pressure: 7 psi (0.5 bar). Maximum Working Pressure: 175 psi (12 bar). Factory tested hydrostatically to 500 psi (34.5 bar). Thread size: 1/2” (15 mm) NPT  Nominal K-Factor: 5.8 U.S. (83.6 metric†) † Metric K-factor measurement shown is in Bar. When pressure is measured in kPa, divide the metric K-factor shown by 10.0. Glass-bulb fluid temperature rated to -65 °F (-55 °C) Overall Length: 2-1/2” (63.5 mm) Covered by the following US Patent Nos.: 7,854,269 and 7,712,218 Material Standards: Frame Casting: Brass UNS-C84400 or QM Brass  Deflector: Brass UNS-C23000 or Phosphor Bronze UNS-C51000 Bulb: Glass, nominal 3 mm diameter Belleville Spring Sealing Assembly: Nickel Alloy, coated on both sides with PTFE Tape Pip Cap and Insert Assembly: Copper UNS-C11000 and  Stainless Steel UNS-S30400 Compression Screws: 18-8 Stainless Steel Yoke: Phosphor Bronze UNS-C51000

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