WS-85-6-type fiberglass roof fan is the advanced roof ventilation equipment, this type of fan has a beautiful shape, compact structure, high strength, light weight, corrosion resistance, aging resistance, low power consumption, low noise, reliable operation , economical and practical, easy installation and maintenance, etc., using a venturi tube entrance test method test, compared with similar products, improve the efficiency of up to 30%. WS-85-6 series roof ventilator designed by outdoor weather conditions, impeller, housing and mushroom-type hood with fiberglass material that can withstand rain, snow and wet atmospheric corrosion, electrical and metal components have also taken a strict anti-corrosion measures; feed outlet is equipped with an inlet valve, its good tightness can reduce heat loss in winter. Fan blades are precision-designed wing-shaped fan model, using fine processing technology explosion-proof fans, with good air performance; impeller molding, to one by one static and dynamic balance test to make sure the fan is running smoothly and reliably; motor and impeller The support structure for the patented design, while supporting the motor and impeller, the impeller as a post-diversion mechanism can reduce the outlet flow exhaust fan in the circumferential direction of rotation, significantly improve efficiency of the fan; chassis and hood using the streamline design, Use gel coat the outer surface of the resin film, the fan appearance of smooth, uniform color, nice. Scope: Suitable for ventilation hotels, restaurants, theaters, office buildings, laboratories, factories, residential and other buildings. Model 9-19-4A. Air volume 824 (m3 / h); Pressure 3584 (Pa); speed 2900 (r / min); Power 2.2 (KW). Imported absolute total pressure means: at the inlet flange boost, usually negative; export absolute total pressure means: exit flange boost; total pressure means: exports and imports boost flange flange l the pressure difference. Exhaust fan, Rainbird environment (certified), Anshun Fan Co. Rainbird by Wu County Environmental Engineering. Wu County Rainbird Environmental Engineering Co., Ltd. (www.dzrbtf.com) (www.dzrbtf.com) is a leader in Dezhou, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, honesty and trustworthiness policy, and satisfy customer needs. Rainbird environmental leadership in the staff warmly welcome all inquiries negotiations to create a better environment Rainbird future.