Bookmark and Share

VK611 - Microfast® HP EC/QREC Fusible Element Pendent Sprinkler (K5.6)

VK611 - Microfast® HP EC/QREC Fusible Element Pendent Sprinkler (K5.6)

Viking QREC Fusible Element Pendent High Pressure Sprinkler VK611 is a thermosensitive solder link spray sprinkler available in several different finishes and temperature ratings to meet varying design requirements. The fusible operating element and special deflector characteristics meet the challenges of quick response extended coverage standards. The special Polyester coatings can be used in decorative applications where colors are desired.  Refer to technical data sheet for required design and installation criteria.

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: 

8 ft (2,4 m)

Max Spacing: 

20 x 20 ft (6,1 x 6,1 m)