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VK612 - Microfast® HP EC/QREC Horizontal Sidewall Sprinklers (K5.6)

VK612 - Microfast® HP EC/QREC Horizontal Sidewall Sprinklers (K5.6)

The Viking Microfast® Standard/Quick Response Extended Coverage Horizontal Sidewall HP Sprinkler VK612 is thermosensitive spray sprinkler available in several different finishes and temperature ratings to meet varying design requirements. The orifice design allows efficient use of available water supplies for hydraulically designed fire-protection systems. The glass bulb operating element and special deflector characteristics meet the challenges of quick response extended coverage standards. The special Polyester and ENT 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/approved as indicated in the Approval Chart(s).

Technical Details

K Factor: 

81 metric





Part Number: 


VK Number: 


Additional Information: 

NOTICE: The product details indicated below are for general reference only and may vary based on the specific product approval and/or application. Always verify product details with the technical data sheet and consult with the Authority Having Jurisdiction (AHJ).

Max Pressure: 

250 psi (17 bar)

Response Type: 


Occupancy Type: 

Light Hazard

Thread Size: 

1/2" NPT (15 mm BSP)

Min Spacing: 

Per Standards / Listings

Max Spacing: 

16 x 20 ft (4,9 x 6,1 m)