Floating Nozzles VK476, Nozzle Distributor TYco UK
Viking Freedom
® VK476 ++ Hệ số K là 4,9 (70,6 m COntact 0917911114
The Viking Freedom® Residential Sprinkler VK476 is a highly sensitive element residential sprinkler designed for installation on concealed piping systems where the need for a appearance of smooth ceiling. The sprinkler hole design, with a K Factor of 4.9 (70.6 meters), allows the sprinkler to efficiently utilize the water supplies available to the hydraulically designed fire suppression system. The operating factor and deflector characteristics are exceptional to meet the challenges of civil sprinkler standards. The two-piece design of the sprinkler and ceiling ring allows the sprinkler to be installed and tested prior to ceiling installation. Ceiling rings allow for vertical adjustment up to 5/8 (16 mm) and can be removed and reinstalled, allowing access on removable ceiling panels without shutting down the sprinkler system and remove the sprinkler.
SPECIFICATIONS Floating Nozzles VK476
Minimum Operating Pressure: Refer to the Approval Chart.
Maximum Working Pressure: 175 psi (12 bar). Factory tested hydrostatically to 500 psi (34.5 bar).
Thread size: 1/2” (15 mm) NPT
Nominal K-Factor: 4.9 U.S. (70.6 metric)
Metric K-factor measurement shown is in Bar. When pressure is measured in kPa, divide the metric K-factor shown by 10.0.
Overall Length: 2-1/8” (54 mm)Covered by the following US Patent No.s: 6,152,236, 9,114,267
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