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VK328 - Microfast® Quick Response Fusible Element Upright Sprinkler (K4.2)

VK328 - Microfast® Quick Response Fusible Element Upright Sprinkler (K4.2)
The Viking Microfast® Quick Response Upright Fusible Element Sprinkler VK328 is a small, thermosensitive, solder link spray sprinkler available in several different finishes and temperature ratings to meet design requirements. The special Polyester and Electroless Nickel PTFE (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: 






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: 

175 psi (12 bar)

Response Type: 


Occupancy Type: 

Light Hazard

Thread Size: 

1/2" NPT (15 mm BSP)

Min Spacing: 

Per Standards / Listings

Max Spacing: 

Per Standards / Listings