Product Name: Coal Washing Roots Blower Model NO.: QSR Certification: CE, CCC Pressure: Medium Pressure Flow Direction: Mixed Flow Usage: for Experiment, for Manufacture Material: Iron Rotary Air Blower: Qsr Flow Rate: 0.5-800m3/Minute Bore: 20-600mm Arise Pressure: -78.4kpa to 196kpa Trademark: QSR Transport Package: Plywood or Iron Pacakge Specification: QSR Series Origin: China HS Code: 8414599010 Product Description Coal Washing Roots Blower QSR series We are a professional roots type air blower factorywith 15 years experienceWe develop a series of air blower based QSR series roots air blower ,productsexport different overseas country like Singapore,Ethiopia,Tanzania,Philippine,Indonesia,Viet Nam ,Bangladesh ,Mexico,Paraguay,Malalysia etc.our products are more and more acceptable to domestic & overseas clients owning to stable quality& excellent service etc<1>Three lobe roots blower Model Arise Pressure KpaFlow RateM3/minuteMotor kwRPMQSR509.8-63.71.1-1.820.75-31450QSR659.8-78.41.78-2.521.1-5.51450QSR809.8-982.81-4.261.5-111460QSR1009.8-78.45.4-6.673-151460QSR1259.8-988-104-221450QSR1509.8-9821-2411-551470QSR1759.8-58.830-3315-551400QSR2009.8-9855-5922-1601480QSR2509.8-9885-9475-2201450QSR3009.8-78.4125-13690-2801450<2>Three lobe roots vacuum pump Model Arise PressureKpaFlow RateM3/minuteMotor kwRPMQSRV50-13 /-44.41.2-1.61.1-2.21470QSRV65-13/-44.11.6-2.21.5-31460QSRV80-13/-43.93.3-43-5.51470QSRV100-13/-43.95.4-6.53-7.51480QSRV125-13/-43.98.5-9.75.5-111470QSRV150-13/-79.918.5-22.515-451410QSRV175A-9.8/-4921.4-27.511-371450QSRV200-13/--7844-5837-1601480QSRV250-13/-7879-8875-1851450QSRV300-13/-78122-13190-2501480<3>Twin lobe roots blower Model Arise PressureKpaFlow RateM3/minuteMotor kwRPMQYL2409.8-9858-7022-160980QYL2509.8-98105-12037-250980QYL2909.8-98124-14537-315980QYL2959.8-98131-15245-315980QYL3009.8-88.2167-18855-355980QYL3509.8-68.6203-22575-315980QYL3959.8-49238-25575-280980QYL4009.8-88.2259-28975-560980QYL4509.8-88.2294-32775-630980<4>Twin lobe roots vacuum pumpModel Arise PressureKpaFlow RateM3/minuteMotor kwRPMQYLV240-9.8/-4966-7830-90980QYLV250-9.8/-7871-12037-200980QYLV290-9.8/-7888-14445-250980QYVL295-9.8/-49131-15345-160980QYLV300-9.8/-78118-19255-315980QYLV350-9.8/-49197-22555-250980QYLV400-9.8/-78197-29075-450730QYLV450-9.8/-49328-36590-400730QYLV500-9.8/-49405-452110-475730<5>Double-stage roots blower Model Arise PressureKpaFlow RateM3/minuteMotor kwRPMQSRR6598-1571-1.265.5-111450QSRR10098-1475-5.2518.5-221450QSRR12598-176.412.1-12.530-551450QSRR13098-19618.5-19.345-901450QSRR15098-14723.2-23.655-751450QSRR19098-19649.7-50.8110-1851350QSRR20098-176.463-64132-2001350QSRR25098-196109-112220-400980QSRR29598-196136-139280-500980QSRR30098-176.4170-174355-560980QSRR35098-137.2205-207400-560980QSRR39598-156.8224-226600980QSRR40098-176.4269-273560-900740QSRR45098-176.4343-347710-1000740QSRR50098-137.2426-428800-1000740Standard accessories for each set of roots blower:Main Blower Electric motorSuction Silencer Discharge Silencer Belt, Gear Oil Anti-vibration padBelt Guard Flexible Connector Pulley Check Valve Foundation Bolts Suction air filter,Common base for blower and motor Pressure Relief Valve Pressure Guage are included.about QSR :QSR Series Roots Blower is anew-type product designed and manufactured according to the national standards. This type blower is featured with simple structure and high cubage efficiency, and oil lubrication is adopted for the bearings and gears in order to make the operation safer and more reliable.Features:1 Positive displacement blower, no compression, air conveying is smooth, there is small flow rate changes along with pressure changes.2 Tri-lobe linear-shaped impeller making inlet and outlet pulsation quiet with low noise and vibration.3 Special impeller of mesh curve and small enclosure making roots blower high efficiency, low energy consumption.4 Small size, light weight and elegant appearance.5 With high-precision synchronous hard-toothed surface gears ensure long life;6 Much cleaner with no oil;7 With nitrile rubber seal rings;8 NSK brearings;9 Gates belts;Application :Waiting for your inquiry!