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VK494 - Residential Concealed Glass Bulb Pendent Sprinkler (K4.9)

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The Freedom® Model VK494 residential flat plate concealed pendent sprinkler is available in 68°C and 93°C temperature ratings. By leveraging new "ultra fast" glass bulb technololgy, the new VK494 is UL Listed at the same flow rates and pressure requirements for both temperature ratings and at all areas of coverage, including the minimum UL Listed flow rate for 4.9 x 4.9m, 5.5 x 5.5m, and 6.1 x 6.1m coverage areas. As a result, the ordinary and intermediate temperature rated models can be used interchangeably, providing greater installation flexibility and maximum performance, without having to sacrifice aesthetics.

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Technical Details

Maximum Spacing : 6.1 x 6.1m
Maximum Working Pressure : 175 psi (12 bar)
Minimum Spacing : 2.4m
Model Number : VK494
Occupancy Type : Residential
Response Type : Fast (Residential)
Thread Size : 1/2" NPT (15 mm BSP)

Product Information

Coverage Area (ft / m)	Horizontal Ceiling
Coverage Area (ft / m)	Flow (gpm / lpm)	Pressure (psi / kPa)
12 x 12 (3.7 x 3.7)	13 (49)	7.0 (48)
14 x 14 (4.3 x 4.3)	13 (49)	7.0 (48)
16 x 16 (4.9 x 4.9)	13 (49)	7.0 (48)
18 x 18 (5.5 x 5.5)	17 (64)	12.0 (83)
20 x 20 (6.1 x 6.1)	20 (76)	16.7 (115)