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VK350 - Microfast® Quick Response Upright Sprinkler (K8.0)

The Viking Microfast® Quick Response Upright Sprinkler VK350 is a small, thermosensitive, glass-bulb spray sprinkler available in several different finishes, temperature ratings, and K-Factors to meet design requirements. The special Polyester, Polytetrafluoroethylene (PTFE), and Electroless Nickel PTFE (ENT) coatings can be used in decorative applications where colors are desired. In addition, these coatings have been investigated for installation in corrosive atmospheres and are listed/approved as corrosion resistant as indicated in the Approval Charts. (Note: FM Global approves the ENT coating as corrosion resistant. FM Global has no approval classification for PTFE and Polyester coatings as corrosion resistant.)

Technical Details

K Factor: 

8.0

Manufacturer: 

Viking

Page: 

F_033014

Part Number: 

18157, 
18278, 
18259, 
06665B, 
14817, 
06764B

VK Number: 

VK350

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: 

Quick

Occupancy Type: 

Light Hazard, 
Ordinary Hazard

Thread Size: 

3/4" NPT (20 mm BSP)

Min Spacing: 

Per Standards / Listings

Max Spacing: 

Per Standards / Listings

Documents and Resources

Technical Data Sheets

Drawings

Revit® Files

Approval Certificates

Catalog Page