Viking Standard Response Dry Concealed Pendent Sprinklers are thermosensitive spray sprinklers suitable for use in areas subject to freezing. The sprinklers are designed for dry systems and preaction systems where it is necessary to prevent water or condensation from entering the drop nipple before sprinkler operation. They may also be installed in spaces subject to freezing and supplied from a wet system in an adjacent heated area. The dry concealed sprinkler is pre-assembled with a threaded adapter for installation with the domed cover that provides up to ½” (12 mm) of vertical adjustment. The push-on, thread-off cover slips on from below the ceiling to allow installation of the sprinkler prior to ceiling construction. Refer to technical data sheet for design and installation requirements.
Technical Details
K Factor: 5.6, 81 metric
Manufacturer: Viking
Page: F_092003
Part Number: 12421UA, 12429UA, 12381
VK Number: VK190-D
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: Standard
Occupancy Type:
Light Hazard, Ordinary Hazard, Extra Hazard
Thread Size: 1" NPT (25 mm BSP)
Min Spacing: 6 ft (1,8 m)
Max Spacing: Per Standards/ Listings
Documents and Resources
Technical Data Sheets
Drawings
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