"Hayford" brand series clover Roots blower is the foundation for the Company's consolidated various types of domestic Roots blower advanced technical features of self-development of a new product. Developed the use of advanced CAD-aided design and advanced processing technology products to ensure that the fan performance, and has been economic areas: sewage treatment, flour, aquaculture, pneumatic conveying, power, petrochemical, cement and other industries are widely used. HSR series a wide range of air volume, sub-file dense, high boost, nearly twenty models, hundreds of specifications, the fan flow range 0.49m3 / min-191.76m3 / min, boost 9.8kPa-78.4kPa. Features are as follows: (1) products using clover straight impeller, intake and exhaust pulsation smooth, low noise. (2) The product is a special curve to make engagement more reasonable. Leakage, high efficiency, reduce energy consumption, is a new energy-saving products. Products using a variety of new structural design, compact structure, small size, light weight, elegant appearance. Hardened products using high-precision timing gears, long life, low noise. Output air clean, free of any oily dust.