Special Sprinkler VK697

Product code : vk697

Coefficient K5.6, Product Code VK697 Upright Style, 12 Months Nationwide Warranty, Made in USA Contact 0917911114 to receive advice on a quote for nozzles VK100, VK102, VK104, Vk200, VK530, VK536

Product information

Specifications special sprinkler VK697

- 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: 5.6 US (80 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 owned by Tyco

Detailed description of Special Nozzle VK697

Viking Attic Upright VK697 is an application specific attic nozzle model that provides outstanding fire resistance in combustible and non-flammable attic spaces when used in conjunction with the Viking V-BB (Back to Back) model. and V-SD (Single Directional), and V-HIP application specific nozzles. Special Nozzle VK697 installed in vertical position, with deflector parallel to roof, Upright Attic used in combination with V-BB model increases the allowable range 60 threads to 80, (18, 3 m to 24.4 m). The VK697 nozzle can be installed with steel (black or galvanized) or CPVC, and allows the use of CPVC to feed the protected space below the attic (only CPVC is allowed on wet pipe systems). They are available in copper or with a corrosion resistant Electroless Nickel (ENT) coating where salt water and other corrosive elements are a consideration. The cULus standard VK697 Special Nozzle is approved with specific application instructions for use as a special sprinkler as defined by the National Fire Protection Association (NFPA).

Diagram to guide the installation location of Special Nozzle VK697