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Residential Sprinklers

VK498 - Freedom Residential Concealed Pendent Sprinkler (K5.8)View larger

VK498 - Freedom Residential Concealed Pendent Sprinkler (K5.8)

Viking Freedom® Residential Concealed Pendent Sprinkler VK498 is a small thermosensitive, glass-bulb residential sprinkler designed for installation on concealed pipe systems where the appearance of a smooth ceiling is desired. The orifice design, with a K-factor of 5.8 (83.6), allows the sprinkler’s efficient use of available water supplies for the hydraulically designed fire-protection system. The fast response glass bulb operating element and special deflector characteristics meet the challenges of residential sprinkler standards.

Viking Freedom® Residential Concealed Pendent Sprinkler VK498 is a small thermosensitive, glass-bulb residential sprinkler designed for installation on concealed pipe systems where the appearance of a smooth ceiling is desired. The orifice design, with a K-factor of 5.8 (83.6), allows the sprinkler’s efficient use of available water supplies for the hydraulically designed fire-protection system. The fast response glass bulb operating element and special deflector characteristics meet the challenges of residential sprinkler standards.



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TECHNICAL DATA SHEETS
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GUIDE
REVIT FILES

Technical Details

  • Maximum Spacing : 6.1 x 6.1m
  • Maximum Working Pressure : 175 psi (12 bar)
  • Minimum Spacing : 2.4m
  • Model Number : VK498
  • Occupancy Type : Residential
  • Response Type : Fast (Residential)
  • Thread Size : 1/2" NPT (15 mm BSP)

Product Information

Viking Freedom® Residential Concealed Pendent Sprinkler VK498 is a small thermosensitive, glass-bulb residential sprinkler designed for installation on concealed pipe systems where the appearance of a smooth ceiling is desired. The orifice design, with a K-factor of 5.8 (83.6), allows the sprinkler’s efficient use of available water supplies for the hydraulically designed fire-protection system. The fast response glass bulb operating element and special deflector characteristics meet the challenges of residential sprinkler standards.

Coverage Area (ft / m)Horizontal Ceiling
Flow (gpm / lpm)Pressure (psi / kPa)
12 x 12 (3.7 x 3.7)16 (61)7.6 (52)
14 x 14 (4.3 x 4.3)16 (61)7.6 (52)
16 x 16 (4.9 x 4.9)16 (61)7.6 (52)
18 x 18 (5.5 x 5.5)17 (64)8.6 (59)
20 x 20 (6.1 x 6.1)20 (76)11.9 (82)

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