The VK500 sprinkler is a responsive element type sprinkler designed to prevent premature fires. With a 14.0 K-Factor (202 meters) and a special deflector, this sprinkler produces large, high-momentum water droplets in a hemispherical pattern below the deflector. This allows fire penetration and direct wetting of the burning fuel surface while cooling the atmosphere early in the development of a highly challenging fire. Nozzle-VK500 The VK500 ESFR Nozzle can be used to protect common types of storage. However, they are primarily intended to protect the following types of storage, which tend to create serious fire challenges: hard and solid pile storage and portable, double, multi-row and portable open rack storage. dynamic (no open container or sturdy stand) expanded plastic.
. Refer to the Commodity Selection and Approval Chart and overview design criteria for CULus FM and listing requirements. In addition, several storage arrangements for roll paper, aerosol cans and rub-ber tires can be protected by the Viking Independent Sprinkler ESFR VK500. Technical Data Nozzle VK500 Minimum operating pressure: Refer to NFPA 13 or FM Global Loss Prevention Data Sheet. Maximum working pressure: 175 psi (12 bar). Factory hydrostatically tested to 500 psi (34.5 bar). Reading size: 3/4 P NPT or 20 mm BSPT Nominal K-factor: 14.0 US (202 meters)
K-factor measurement is when pressure is measured in bars. When the pressure is measured in kPa, divide the K-factor by the factor displayed by 10.0. Medium length: 2-7/8 lights (73 mm) Diameter of deflector: 1-3/4” (44.5 mm) Instructions for assembling Nozzles VK500
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