Đầu-Phun-Viking-VK696
Detailed description of Viking VK696 . Nozzle Viking Attic Upright VK696 is an application specific concealed space sprinkler that provides outstanding fire resistance in flammable and non-flammable attic spaces when used in conjunction with the V-BB model ( Back to Back) Viking's water spray app. Installed in a vertical position, with deflector parallel to the roof,
Viking Nozzle VK696 used in conjunction with the V-BB model increases the allowable range 60 threads to 80, (18.3 m up to 80 feet). 24.4 m). Viking Attic Upright VK696 is installed with steel or CPVC pipes, and allows the use of CPVC to provide protected space below the attic (only CPVC is allowed on wet pipe systems). They are made of copper or with an Electroless Nickel (ENT) coating that resists corrosion in which salt water and the elements are corrosive. Viking Nozzle VK696 cULus approved Approved with specific application guidelines for use as a special sprinkler as defined by the National Fire Protection Association (NFPA).
Basic specifications Viking Nozzle VK696
- Minimum operating pressure: 7 psi (0.5 bar) Pressure up to 175 psi (12 bar) Hydrostatic tested water working pressure to 500 psi (34.5 bar)
- Thread size: 1/2 1 (15 mm) NPT
- Nominal K-Factor: 4.2 US (57 figures )
- The K-factor reading displayed is when the pressure is measured in Bar. When the pressure is measured in kPa, divide the K-factor by the factor displayed by 10.0.
- The bulb's liquid temperature is rated as -65°F (-55°C)
- Overall length: 2-1/4” (57 mm) Covered by US patent number: 8,083,002. Detailed drawings and installation instructions Viking Nozzle VK696
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