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VK484 - Residential Horizontal Sidewall Sprinkler (K4.2)

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Viking's Freedom® Model VK484 Residential Horizontal Sidewall Sprinkler offers low water flow and pressure characteristics for both flat and sloped ceiling applications. With a 4.2 (57) K-factor, the VK484 is cULus listed for up to 16 x 20 ft (4.9 x 6.1 m) coverage areas and can be installed with the deflector up to 12 in (305 mm) below the ceiling. The optional Electroless Nickel PTFE (ENT) coating has been investigated for installation in corrosive atmospheres and is UL Listed as corrosion resistant. The VK484 is available in 155°F (68°C) and 175°F (79°C) temperature ratings.

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Technical Details

Maximum Spacing : 4.9 x 6.1m
Maximum Working Pressure : 175 psi (12 bar)
Minimum Spacing : 2.4m
Model Number : VK484
Occupancy Type : Residential
Response Type : Fast (Residential)
Thread Size : 1/2" NPT (15 mm BSP)

Product Information

Coverage Area (ft / m)	4-6" (102mm-152mm) From Ceiling		6-12" (152mm-305mm) From Ceiling
Coverage Area (ft / m)	Flow (gpm / lpm)	Pressure (psi / kPa)	Flow (gpm / lpm)	Pressure (psi / kPa)
12 x 12 (3.7 x 3.7)	13 (49)	9.6 (66)	14 (53)	11.1 (77)
14 x 14 (4.3 x 4.3)	14 (53)	11.1 (77)	16 (61)	14.5 (100)
16 x 16 (4.9 x 4.9)	16 (61)	14.5 (100)	18 (68)	18.4 (127)
16 x 18 (4.9 x 5.5)	19 (72)	20.5 (141)	20 (76)	22.7 (156)
16 x 20 (4.9 x 6.1)	22 (83) /td>	27.4 (189)	25 (95)	35.4 (244)

*Flows shown for 155°F/68°C; see technical datasheet for flows at 175°F/79°C.