Zhangqiu Qunyi Machinery Co., Ltd.  

Product Name: Roots Blower Qsr Series-78.4kpa to 196kpa 0.5-800m3/Minute 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 Roots Blower Qsr Series-78.4kpa to 196kpa 0.5-800m3/MinuteWe are aprofessional roots type air blower factory with 15 years experienceWe develop aseries of air blower based QSR series roots air blower, products export different overseas country likeSingapore, 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 blowerModelArise Pressure KpaFlow RateM3/minuteMotorKwRPMQSR509.8-63.71.1-1.820.75-31450QSR659.8-78.41.78-2.521.1-5.51450QSR809.8-982.81-4.261.5-111460QSR1009.8-78.45.4-6.673-151460QSR1259.8-988-104-221450QSR1509.8-9821-2411-551470QSR1759.8-58.830-3315-551400QSR2009.8-9855-5922-1601480QSR2509.8-9885-9475-2201450QSR3009.8-78.4125-13690-2801450<2>Three lobe roots vacuum pumpModelArise PressureKpaFlow RateM3/minuteMotorKwRPMQSRV50-13 /-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/-79.918.5-22.515-451410QSRV175-9.8/-4921.4-27.511-371450QSRV200-13/--7844-5837-1601480QSRV250-13/-7879-8875-1851450QSRV300-13/-78122-13190-2501480<3>Twin lobe roots blowerModelArise PressureKpaFlow RateM3/minuteMotorKwRPMQYL2409.8-9858-7022-160980QYL2509.8-98105-12037-250980QYL2909.8-98124-14537-315980QYL2959.8-98131-15245-315980QYL3009.8-88.2167-18855-355980QYL3509.8-68.6203-22575-315980QYL3959.8-49238-25575-280980QYL4009.8-88.2259-28975-560980QYL4509.8-88.2294-32775-630980<4>Twin lobe roots vacuum pumpModelArise PressureKpaFlow RateM3/minuteMotorKwRPMQYLV240-9.8/-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 blowerModelArise PressureKpaFlow RateM3/minuteMotorKwRPMQSRR6598-1571-1.265.5-111450QSRR10098-1475-5.2518.5-221450QSRR12598-176.412.1-12.530-551450QSRR13098-19618.5-19.345-901450QSRR15098-14723.2-23.655-751450QSRR19098-19649.7-50.8110-1851350QSRR20098-176.463-64132-2001350QSRR25098-196109-112220-400980QSRR29598-196136-139280-500980QSRR30098-176.4170-174355-560980QSRR35098-137.2205-207400-560980QSRR39598-156.8224-226600980QSRR40098-176.4269-273560-900740QSRR45098-176.4343-347710-1000740QSRR50098-137.2426-428800-1000740Standard accessories for each set of roots blower:Main Blower Electric motorSuction Silencer Discharge SilencerBelt, Gear Oil Anti-vibration padBelt Guard Flexible ConnectorPulley Check ValveFoundation Bolts Suction air filter,Common base for blower and motorPressure 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!