Sprinkler Viking VK638
Product code VK638, Understanding quick response, Horizontal direction, Factor K8.0, Warranty in Hanoi and Ho Chi Minh City for 12 months, contact 0917911114 for advice on ordering.
The Viking Sprinkler VK638 is the Viking model VK638 Quick Response Wide Horizontal Sidewall Sprinkler specially designed to protect corridors, corridors, floors, walkways and any other application where the wide spray pattern is optimal. . VK638 is cULus of light and has a K-factor of 8.0 (115).
The Viking VK638 nozzle uses Viking's patented flow generation technology to provide larger coverage areas with lower flow and pressure requirements. The sprinkler is cULus listed for coverage areas of 28 x 12 ft (8.5 x 3.7 m) and 28 x 14 ft (8.5 x 4.3 m), with deflector installed. placed up to 12 in (305 mm) below the ceiling. The 28 x 12 ft (8.5 x 3.7 m) coverage area is unique in the industry, providing significant pressure and flow advantages for fire sprinkler systems where coverage can be applied. this wave.
Available in 135°F (57°C), 155°F (68°C), 175°F (79°C) and 200°F (93°C) temperatures. The VK638 has a ¾ inch (20 mm) thread size and is available in standard finishes including brass, white, chrome and black, as well as an almost unlimited variety of custom colors.
Specifications of Viking VK638
- Maximum working pressure: 175 psi (12 bar)
- Factory hydrostatically tested to 500 psi (34.5 bar).
- Reading size: 3/4, (20mm)
- NPT K-Factor : 8.0 US (115.2 metric meter) K-Factor The displayed measurement is in Bar. When the pressure is measured in kPa, divide the K-factor by the factor displayed by 10.0. The bulb's liquid level is rated as -65°F (-55°C)
- Overall length: 2-3/4 (70 mm) Covered by US patent Nos: 7,854.269; 7,712,218; and 8,662,190
Instructions for assembling the Viking VK638 prinkler
TVAdministratorsAdministrators