Residential Sprinklers
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VK472 - Residential Pendent Sprinkler (K5.8)
Viking's Freedom® Model VK472 Residential Pendent Sprinkler has a 8.4 K-factor and is cULus listed for up to 6.1 x 6.1m coverage areas. With this larger K-factor, the VK472 can deliver the higher water densities required for an NFPA 13 residential system 0.1ft2 at lower starting pressures. Also, the 13mm NPT thread size allows for installation with a less expensive 13mm CPVC head adapter, rather than a 19mm adapter. The Electroless Nickel PTFE (ENT) coating has been investigated for installation in corrosive atmospheres and is UL Listed as corrosion resistant.
Availability date:
Viking's Freedom® Model VK472 Residential Pendent Sprinkler has a 8.4 K-factor and is cULus listed for up to 6.1 x 6.1m coverage areas. With this larger K-factor, the VK472 can deliver the higher water densities required for an NFPA 13 residential system 0.1ft2 at lower starting pressures. Also, the 13mm NPT thread size allows for installation with a less expensive 13mm CPVC head adapter, rather than a 19mm adapter. The Electroless Nickel PTFE (ENT) coating has been investigated for installation in corrosive atmospheres and is UL Listed as corrosion resistant.
Downloads
TECHNICAL DATA SHEETS
CERTIFICATE
DRAWING
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 : VK472
- Occupancy Type : Residential
- Response Type : Fast (Residential)
- Thread Size : 1/2" NPT (15 mm BSP)
Product Information
Viking's Freedom® Model VK472 Residential Pendent Sprinkler has a 8.4 K-factor and is cULus listed for up to 6.1 x 6.1m coverage areas. With this larger K-factor, the VK472 can deliver the higher water densities required for an NFPA 13 residential system 0.1ft2 at lower starting pressures. Also, the 13mm NPT thread size allows for installation with a less expensive 13mm CPVC head adapter, rather than a 19mm adapter. The Electroless Nickel PTFE (ENT) coating has been investigated for installation in corrosive atmospheres and is UL Listed as corrosion resistant.
| 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) | 21 (80) | 13.1 (90) |
