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VK572 - EC/QREC Ordinary Hazard Pendent Spk (K14.0)

Part Number:

Viking Standard/Quick Response Extended Coverage Ordinary Hazard (ECOH) Pendent Sprinkler VK572 is a thermosensitive glass bulb spray sprinkler equipped with a 20.2 nominal K-Factor and a special deflector. The special deflector is designed to meet Ordinary Hazard density requirements for specifically listed extended areas of coverage when the required minimum water supply is provided at the sprinkler. Refer to technical datasheet for required design and installation criteria.

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Technical Details

Maximum Spacing : 6.1 x 6.1m
Maximum Working Pressure : 175 psi (12 bar)
Minimum Spacing : 2.75m cULus
Model Number : VK572
Occupancy Type : Ordinary Hazard
Response Type : Standard/Quick
Thread Size : 3/4" NPT (20 mm BSP)

Product Information

Coverage Area (ft / m)	Flow (gpm / lpm)	Pressure (psi / bar)
ORDINARY HAZARD³
12 x 12¹ (3.7 x 3.7)	39 (147.6)	7.8 (0.54)
14 x 14¹ (4.3 x 4.3)	39 (147.6)	7.8 (0.54)
16 x 16² (4.9 x 4.9)	39 (147.6)	7.8 (0.54)
18 x 18² (5.5 x 5.5)	49 (185.5)	12.3 (0.85)
20 x 20² (6.1 x 6.1)	60 (227.1)	18.4 (1.27)

¹ Available only for quick response.
² Available only for standard response.
³ Design data listed above is for OH Group 1. See technical datasheet for OH Group 2 data.
^** FM Approved as QR for all temps and spacings shown.
See technical datasheet for FM approval criteria