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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.
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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.
Downloads
TECHNICAL DATA SHEETS
CERTIFICATE
GUIDE
REVIT FILES
Features
- K Factor: 5.8 (USA) / 8.4 (NZ)
- 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) |
