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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.
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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.
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) |