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View larger 
VK478 - Quick Response Flush Pendent Sprinkler (K5.6)
Viking Quick Response Flush Pendent Sprinkler VK478 is a small high-sensitivity fusible element sprinkler designed for installation on concealed pipe systems where the appearance of a smooth ceiling is desired.
The two-piece design of the sprinkler and ceiling ring allows installation and testing of the sprinkler prior to ceiling installation. The ceiling ring allows for up to 5/8” (16 mm) of vertical adjustment and can be removed and re-installed, allowing access above removable ceiling panels without shutting down the sprinkler system and removing the sprinkler.
Availability date:
Viking Quick Response Flush Pendent Sprinkler VK478 is a small high-sensitivity fusible element sprinkler designed for installation on concealed pipe systems where the appearance of a smooth ceiling is desired.
The two-piece design of the sprinkler and ceiling ring allows installation and testing of the sprinkler prior to ceiling installation. The ceiling ring allows for up to 5/8” (16 mm) of vertical adjustment and can be removed and re-installed, allowing access above removable ceiling panels without shutting down the sprinkler system and removing the sprinkler.
Downloads
TECHNICAL DATA SHEETS
REVIT FILES
Features
- K Factor: 5.6 (USA) / 8.1 (NZ)
- Maximum Spacing: Per Standards / Listings
- Maximum Working Pressure: 175 psi (12 bar)
- Minimum Spacing: Per Standards / Listings
- Model Number: VK478
- Occupancy Type: Light Hazard, Ordinary Hazard
- Response Type: Quick
- Thread Size: 1/2" NPT (15 mm BSP)
