VK2543 Viking Horizontal Sprinkler Heads
Horizontal Directional Nozzle - Dry Nozzle - Standard Response Normal Hazard - K = 8.0 Prestige Quality 12 Months Warranty Contact pcccdongnam.vn
VK2543 Viking Dry Horizontal Sprinkler Head Normal risk direction thermosensitive sprinkler suitable for use in freezing areas. The spray heads are designed for dry systems and containment systems, where it is necessary to prevent water or condensation entering the drop nipple before sprinkler operation.
The VK2543 can also be installed in frozen spaces and supplied a wet system in an adjacent hot area. Large bore dry sprinklers allow greater flow at lower pressures than standard bore sprinklers. New deflectors are carried and extend approval for installation 4 to 12” under ceilings. Standard Response Normal Horizontal Dry Hazard Horizontal sprinklers are available in various finishes and temperature ratings to meet design requirements. Special Polyester and Electroless Nickel (ENT) coatings have been studied for installation in corrosive environments and are listed by cULus as corrosion resistant as indicated in the Approval Chart.
Technical description of VK2543 Viking Horizontal Dry Sprinkler Head Minimum operating pressure: 7 PSI (0.5 bar) Maximum working pressure: 175 PSI (12 bar). Factory hydrostatically tested to 500 psi (34.5 bar) Thread size: 1 NPT or 25 mm BSPNominal K-Factor: 8.0 U.S (115.2 metric) for lengths up to 48 punches. The K-factor measurement shown is when the pressure is measured in bars. When pressure is measured in kPa, divide the K factor by the displayed factor by 10.0. Bulb fluid temperature rated at -65°F (-55°C) Covered by US patent numbers: 8,636,075 and 8,376,060
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