Product Name: Waste Water Treatment Rotary Blower (ZW-712) Model NO.: ZW-712 Usage: Industrial, Home, Agriculture, Hospital Method: Biological Treatment Blower: Roots Blower Trademark: "Eurus Blower""Zhanggu" Transport Package: Export Seaworthy Packing Specification: ZW Origin: China HS Code: 84145990 Product Description Waste Water Treatment Roots BlowerZW blowers with tri-lobe are the new products based on ZZ blowers which technology is from America.It the best choice if you want to save your investment.Features:High efficiency tri-lobe rotor, low pulsation, and quiet running.Hardened teeth face for precision spur timing gears, and taper-lock shaft mounting.Max. speed of 5170 rpm, small outline, compact structure, easy maintenance.Over sized cylindrical roller bearingsLow vibrationGrease lubricating for driving side, oil lubricating for gear side.Air coolingSpecification:Pressure to 58.9 KPaFlow: 0.5~46.63m3/minApplication:Widely used in waste water treatment, carpet cleaning, and pneumatic conveying etc. industries.