VIKING Fireking™ Adapter Nipple (VK-AN)

  • The VIKING Fireking™ VK-AN Adapter Nipple is designed to provide a secure transition between grooved piping systems and threaded components such as valves, gauges, and fittings. Manufactured from high-strength ductile iron and pressure-rated for demanding fire-protection applications, it offers a compact and reliable solution where threaded connections are required.
  • Nominal Sizes (NPT): 1½", 2"
  • Nominal Sizes (BSP): DN40, DN50
  • Max. Working Pressure: 34.5 bar (500 psi)
  • Material: Ductile Cast Iron ASTM A536 Grade 65-45-12
  • Thread Types: NPT or BSP
  • Finish: Painted, Epoxy Coated, Galvanized
  • Installation: Mechanical grooved end with threaded outlet
  • Enables smooth transition from grooved pipe to threaded devices
  • Eliminates the need for welded or custom transition pieces
  • Compact design minimizes space requirements
  • High pressure rating suitable for pump rooms and critical zones
  • Multiple finish options improve corrosion resistance and service life
  • Connection of grooved fire-protection piping to threaded valves, pressure switches, gauges, test points, and auxiliary equipment in sprinkler and standpipe systems.
  • UL Listed
  • FM Approved
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