▲ impeller diameter: 315 ~ 1000mm ▲ Air flow: 1000 ~ 60000 m3 / h ▲ Pressure Range: pressures up to 1200 Pa ▲ Operating temperature: 280 ℃ / 0.5h ▲ Drive Type: Direct drive ▲ Installation: Install flashings ▲ Uses: Fire smoke / plant through ventilation / exhaust through flameproof