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VK570 - EC/QREC Ordinary Hazard Upright Spk (K14.0)

Part Number:

Viking Standard/Quick Response Extended Coverage Ordinary Hazard (ECOH) Upright Sprinkler VK570 is a thermosensitive glass bulb spray sprinkler equipped with a 14.0 (202 metric) nominal K-Factor and a special deflector. The Polyester coatings can be used in decorative applications where colors are desired. In addition, the ENT coating has been investigated for installation in corrosive environments and is listed as indicated in the Approval Charts. 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 : VK570
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.