
Viking Sprinkler VK478 : A small, high-sensitivity, rapid response sprinkler manufactured by Viking designed for installation on concealed duct systems where a plain ceiling appearance is present. Ceiling ring allows for vertical adjustment up to 5/8 (16 mm) and can be removed and reinstalled, allowing access to removable ceiling panels without needing to turn off the sprinkler system and remove fountain.
Viking VK478 sprinkler: Suitable for hotel rooms, high-rise apartment buildings..hospitals to help increase the aesthetics of the ceiling. For any information, you can visit pcccdongnam.vn or 0917911114 so that we can advise and help you.

Technical details Viking Nozzle VK478
Response Type : Fast Response
Concealed Rotation Type : Pendent
Code: VK478
Minimum operating pressure: 7 psi (0.5 bar)
Maximum working pressure: 175 psi (12 bar).
Factory hydrostatically tested to 500 psi (34.5 bar).
Reading Size: 1/2 NPT (15 mm BSP)
K-factor 5.6 US (80.6 meters)
K-factor measurements are displayed in Bars. When the pressure is measured in kPa, divide the K-factor by the factor displayed by 10.0.
Medium length: 2-1/8 ((mm mm)
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