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VK5141 - ESFR Pendent Sprinkler (K28)

VK5141 - ESFR Pendent Sprinkler (K28)

The UL Listed VK5141 K28 Specific Application ESFR pendent glass bulb sprinkler is designed to fight high-challenge fires in storage and warehouse occupancies. The VK5141 is available in multiple temperature ratings to meet design requirements. With the VK5141, aisles can be as narrow as five feet, allowing facilities to efficiently maximize their storage space.

Technical Details

K Factor: 

404 metric





Posting Date for Latest Revision: 

January 16, 2024

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: 

Fast (ESFR)

Occupancy Type: 


Thread Size: 

1" NPT (25 mm BSP)

Min Spacing: 

Per Standards / Listings

Max Spacing: 

Per Standards / Listings

Documents and Resources

Technical Data & Instructions

Storage Sprinklers