KQSR125 fan Dimensions: Length: 1230mm Width: 710mm height: 1515mm weight: 235Kg (weight does not include the motor, import muffler) fan diameter: 125mm air volume: 4.93-12.23 m3 / min Boost: 9.8-98kpa motor: 5.5--22KW speed : 980-2000r | min Standard accessories: Common base, matching motor, belt cover, fan pulleys, motor pulley, V-belt, import muffler (with air filter), safety valve, pressure gauge, anchor bolts check valve, flexible joints, lubricants Kun celebrate blower features: 1, resin sand casting process, quality fully guaranteed. 2, in strict accordance with involute impeller design theory and simulation on a computer to do long ago installed balancing test, and fully guarantee the involute meshing characteristics, effectively reducing the leakage and improve efficiency. 3, cabinet, wall by high-precision digital coordinate boring machining, high precision, stable quality. 4, the intake and exhaust ports spiral structure and to install a muffler, intake and exhaust pulsation so gentle, small vibration, low noise. 5, lubrication lubrication according to the situation using the main fuel tank, not only more reliable lubrication and solve many of the shortcomings greased and effectively improve the bearing life. 6, sealing structure is reasonable, oil and gas can not enter the enclosure, the output gas clean and free of oil and gas. 7, bearings, belt imported parts, bearings for NSK, the US manufacturing belt. 8, fan gear used 20CrMnTi carburizing treatment, grinding, precision up to five, the tooth surface more resistant, can significantly reduce gear noise. 9, Kun Hing blower factory have been a 48-hour test run, debug qualified to be shipped to ensure the quality of the fan before leaving the factory.