
VK4921 - Standard Response Concealed Pendent Sprinkler (K5.6)

Viking Standard Response Concealed Pendent Sprinkler VK4921 is a thermosensitive glass-bulb spray sprinkler designed for installation on concealed pipe systems where the appearance of a smooth ceiling is desired.
The addition of a reinforced nylon wrench allows for installation with the protective cap in place, minimizing the chance of damage to the sprinkler during installation. Viking also offers a cap removal tool to aid in finishing the job from the ground.
Technical Details
K Factor:
5.6
Manufacturer:
Viking
Page:
F_092221
Part Number:
24683,
23116
VK Number:
VK4921
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 (17.2 bar)
Response Type:
Standard
Occupancy Type:
Light Hazard,
Ordinary Hazard
Thread Size:
1/2" NPT (15 mm BSP)
Min Spacing:
Per Standards / Listings
Max Spacing:
Per Standards / Listings