Viking Special Sprinkler VK660

Product code : VK660

Code Vk660, Coefficient K5.6 (81) Special nozzle type, Viking brand, nationwide warranty 12 months Contact for quotation VK100, VK102, VK104, Vk200, Vk530, Vk536, Viking nozzles best fire extinguishing,

Product information

The Viking Special Sprinkler VK660 is an application specific Sprinkler designed to provide superior fire protection in combustible and non-flammable attic spaces when compared to standard attic protection. With specific application criteria for use with Model V-BB (Back to Back), Model V-SD (Single Directional) and Attic Upright Specific Sprinklers, Viking attic sprinklers offer a gaping alternative Extended coverage for standard nozzles. Allows the use of a single pipe at the top of the attic, eliminating the need for branch lines and significantly reducing the number of nozzles required and associated material and installation costs.

Viking-VK660 Nozzle-Special-Sprinkler

Viking Special Nozzles VK660 (Viking Attic Sprinklers) can be installed with steel or CPVC pipes (only CPVC is allowed on wet pipe systems) and are available in copper or with an Electroless anti-corrosion coating Nickel (ENT) in which salt water and other corrosive elements. They are cULus Listed with specific application instructions for use as specialty sprinklers under National Fire Protection Association (NFPA) regulations and listed for extended coverage in construction. flammable and non-flammable construction. The cULus listing was achieved using full scale fire tests in truss construction.

Specifications of Viking Special Sprinkler VK660

- Minimum operating pressure: See Design Criteria

- UL. Up to 175 psi (12 bar) reduction Hydrostatic tested water working pressure to 500 psi (34.5 bar)

- Thread size: 1/2, (15 mm) NPT

- Nominal K-Factor: 5.6 US (80.6 meters)

- The K-factor measurement is measured when the pressure is measured in Bars. 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: 2-11/16 / (68 mm)

Design and installation drawings Viking Special Nozzle VK660