China Three Lobes Roots Blower Low Consumpition High Efficiency

about BK
BK Roots Blower is a kind of product designed and manufactured according to the national standards and by the techniques introduced from American TUTHILL Co. This type blower is featured with simple structure and high cubage efficiency.Specifications:ModelBK5006Air capacity2.75m3/minDischarge differential pressure10-80KPARotary speed850rpmMotor type1.5KW
380/400/415/440V, 3PHASES, 50/60HZMotor brandStandard: Siemens Beide or Wannan motor
Siemens and ABB motor for your optionInstallation typeStandard: horizontal type.
Vertical type available for your optionN.W. of blower without motor210 kgPacking size Approx.1.65*0.75*1.6m (length*width*height)Features1. Helical type timing gears for smooth operation
2. Compact, flexibility in installation gives users more choices.
3. Integral structure of impeller and shaft without shortcomings of the split structure blower
4. Adopt imported oil seals made from fluoric rubber with perfect wear resistance and high-temperature resistance.
5. Low noise, low vibration and energy consumption.
ParametersTypePort DiaSpeedInlet airflow(m3/min)and shaft power(KW)at different conditions10kpa20kpa30kpa40kpa50kpa60kpa70kparpmm3/minKWm3/minKWm3/minKWm3/minKWm3/minKWm3/minKWm3/minKWBK5006100(4'')8504.741.514.322.543.993.843.724.413.495.433.286.4410005.751.785.332.985.014.524.745.19Medical Diagnosis Equipment 4.506.394.297.5811506.772.046.353.436.025.205.755.975.527.345.318.725.109.8312507.442.227.023.736.705.656.436.496.197.985.98Heater & Heat Exchanger 9.475.7810.6913508.122.407.704.037.376.117.107.016.878.626.6610.236.4511.5515009.132.668.714.478.396.788.127.797.889.587.6711.377.4712.8316009.812.849.394.779.067.248.798.318.5610.228.3512.138.1413.68175010.823.1110.405.2210.087.919.819.099.5711.189.3613.269.1614.97185011.503.2911.085.5210.758.3710.489.6110.2511.8110.0414.029.8315.82200012.513.5512.095.9711.779.0511.5010.3911.2612.7711.0515.1610.8517.10
Description of blower parts:CasingMade of Casting iron HT200
ENDLESS structure adopted for improving efficiency, one-time machined by CNC center with high precision
Rotor (Shaft and impeller)Made of Casting iron QT500
The impeller and shaft is cast as an integral part.
Adopting NC planer for machining to achieve high precisionGear end bearingMade of GCr15
NSK brand, double-row angular contact ball bearing, capable of supporting axial loadDrive end bearingMade of GCr15
NSK brand,Safety Products & Supplies cylindrical roller bearingGearMade of 20CrMnTi
Bevel structure for more smoothly runningOil sealMade of fluoro rubber
CR brand,
Working PrincipleRoots blower is a cubage blower, and it discharges a fixed amount of air in proportion to its rotation speed. Every rotation, there is two lobes to finish three times absorbing and dischargeing air. Compared with two lobes blower, it is of less air pulses, smaller load change, higher strength, lower noise and vibration.TwoFastener & Fitting paraller shafts have three lobes each, all the lobes keep small clearance with each other and housing inside. Every lobes rotatiomn, a certain air will be absorbed at inlet and transfeered form the housing inside surface to blower's diacharge port.Two shafts will be turned by the timing gears, no any touching between lobes, so it can be turned at high speed without any lubrication inside. It has the following chaaracteristics: simply configuration; running smoothly;good performance stabilization. It has been widely applied in various industries.Dental Apparatus Structure

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