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Residential Sprinklers

VK458 - Residential Pendent Sprinkler (K7.4)View larger

VK458 - Residential Pendent Sprinkler (K7.4)

Viking Freedom® Residential Pendent Sprinkler VK458 is a small, thermosensitive, glass-bulb residential sprinkler available in several different finishes and temperature ratings to meet varying design requirements. The Electroless Nickel PTFE (ENT) coating has been investigated for installation in corrosive atmospheres and is UL Listed as corrosion resistant. The sprinkler's larger 10.7 K-factor is well-suited for NFPA 13 residential systems requiring a 4 lpm/m2 design density.

Viking Freedom® Residential Pendent Sprinkler VK458 is a small, thermosensitive, glass-bulb residential sprinkler available in several different finishes and temperature ratings to meet varying design requirements. The Electroless Nickel PTFE (ENT) coating has been investigated for installation in corrosive atmospheres and is UL Listed as corrosion resistant. The sprinkler's larger 10.7 K-factor is well-suited for NFPA 13 residential systems requiring a 4 lpm/m2 design density.

Technical Details

  • Maximum Spacing : 6.1 x 6.1m
  • Maximum Working Pressure : 175 psi (12 bar)
  • Minimum Spacing : 2.4m
  • Model Number : VK458
  • Occupancy Type : Residential
  • Response Type : Fast (ESFR)
  • Thread Size : 3/4" NPT (20 mm BSP)

Product Information

Viking Freedom® Residential Pendent Sprinkler VK458 is a small, thermosensitive, glass-bulb residential sprinkler available in several different finishes and temperature ratings to meet varying design requirements. The Electroless Nickel PTFE (ENT) coating has been investigated for installation in corrosive atmospheres and is UL Listed as corrosion resistant. The sprinkler's larger 10.7 K-factor is well-suited for NFPA 13 residential systems requiring a 4 lpm/m2 design density.

Coverage Area (ft / m)Horizontal Ceiling
Flow (gpm / lpm)Pressure (psi / kPa)
12 x 12 (3.7 x 3.7)20 (76)7.3 (50)
14 x 14 (4.3 x 4.3)20 (76)7.3 (50)
16 x 16 (4.9 x 4.9)20 (76)7.3 (50)
18 x 18 (5.5 x 5.5)22 (83)8.8 (61)
20 x 20 (6.1 x 6.1)24 (91)10.5 (73)

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