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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.
Availability date:
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.
Downloads
TECHNICAL DATA SHEETS
CERTIFICATE
DRAWING
GUIDE
REVIT FILES
Features
- K Factor: 7.4 (USA) / 10.7 (NZ)
- 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) |
