VK190 Standard Response Dry Nozzle
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VK190 : Standard Response Dry Nozzle is a heat sensitive spray nozzle suitable for use in freezing areas. VK190 is designed for dry systems and containment systems where it is necessary to prevent water or condensation entering the knob prior to sprinkler operation.
VK190 : Standard Response Dry Nozzles can also be installed in frozen spaces and powered a wet system in an adjacent heated area. The dry sprinkler comes pre-assembled with a threaded adapter for installation with a dome cap that provides up to ½” (12.7 mm) of vertical adjustment. The push-pull, threaded covers only slide under the ceiling to allow the sprinkler to be installed prior to ceiling construction. Viking Standard Meets Dry Sprinkler Prinklers are available in varied finishes and temperature ratings to meet design requirements.
VK190-Đầu-Phun-Khô-Phản-Ứng-Tiêu-Chuẩn
Technical details VK190 : Standard Response Dry Nozzle
- Minimum operating pressure: 7 psi (0.5 bar)
- Maximum working pressure: 175 psi (12 bar). Factory tested pneumatic to 95 psi (6.55 bar) Thread size: 1 NPT or 25 mm
- BSPNominal K-Factor: 5.6 US (80.6 meters) for all listed and approved lengths.
Measurement of the K-factor displayed is when measuring the pressure in the bar. When the pressure is measured in kPa, divide the K-factor by the factor displayed by 10.0.
- Bulb liquid temperature rated as -65°F (-55°C) Protected by the following US Patents: 8,636,075
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