1.2. Fans divided by diameter 9'-40 'twelve kinds of specifications series air volume is 1650 ~ 85000m3 / h, Fuyang electric outlet pressure, total pressure of 180 ~ 1000Pa. HTFD type cabinet centrifugal fan through continuous improvement and development, is now divided into Ⅰ, Ⅱ, Ⅲ, Ⅳ four types, Ma'anshan outlet pressure, which Ⅰ, Ⅲ type of single-speed type, Fuyang fire pressurized outlet , Ⅱ, Ⅳ type of two-speed, equipped with two-speed motor to achieve two tranches of speed, Fuyang electric outlet pressure to meet users of different operating point performance tuning needs. Fans also be equipped with variable frequency motor and the inverter controller, stepless, recommend adjusting the frequency locked in 25Hz ~ 50Hz. 1.3. In order to meet environmental needs proof, fans can be made explosion-proof fans, explosion-proof grade EXdIIBT4, for flammable, explosive gas places. HTFC (B) type tank centrifugal fan (for ventilation) Machine number: 9 # -30 # air volume: 1775-91820m3 / h Total pressure: 153-996Pa features: built-in motor, air volume, low noise, the new structure compact shape , easy installation (lifting, sit installation can be) Applications: Low noise ventilation occasions in hotels, restaurants, halls, theaters, basements, industrial enterprises, buildings and other Wuhu, Ma'anshan outlet pressure _ _ Fuyang much pressure delivery outlet page outlet pressure provided by the air-conditioning Equipment Co., Ltd. Shandong GREAT fan. Wuhu, Ma'anshan outlet pressure pressure delivery outlet _ _ Fuyang multi-page outlet pressure is GREAT Shandong Fan Air Conditioning Equipment Co. (www.greatfengji.com) this year introduced a new upgrade, the above picture is for reference only, please call Tel or pictures on this page, for the latest information, contact: Li.