Description: GW4-72 series high temperature resistant ventilator is widely used for ventilation in petroleum refining industry, all kinds of workshops for alcohol producing, paint spaying, drying and rubber producing, food processing and medical producing, store and basement. The performance of this fan is excellent, has the features of strong winds, high pressure, high efficiency and noise. This fan is used in the environment with no corrosive air and no noble dusty air, the dust and particulate matter containing index is blow 150mg/m3. the fan can run under F grade isolation temperature blow 120°C or H grade isolation temperature below 150°C. Technical Parameter Model Power(kw)Revolution(rpm)Wind Flow(M3/h)Pressure(Pa)2.8A1.529001131-22356994-6060.751450565-1178294-1523.2A2.229001688-35171300-7921.11450844-1758324-1983.6A329002664-52681578-9891.114501332-2634393-2474A5.529004012-74193014-13201.114502856-5281634-4164.5A7.529005712-105622554-16731.114502856-5281634-4165A2.214503864-7728790-502Remark: In the normal working condition, the fan can run under F grade isolation temperature blow 120°C or H grade isolation temperature below 180°C. Application: Used for ventilation in pertroleum refining industry, all kinds of workshops for alcohol prducting, paint spaying, drying and rubber producting, food processing and medical producting, store and basement. Materials: 100% copper wiring high temperature motor, metal impller and high quality basing The voltage andfrequuencycould be customized. Packing: polywood case.