DENAIR Energy Saving Technology (Shanghai) PLC  

Product Name: Single or Multistage Stage Variable Pitch Air Cooled Oilless Oil Free Electrical Dry Rotary Screw Vane Vacuum Pump For Vacuum Industry Model NO.: pump series Working Conditions: Dry Work Function: Pre-Suction Pump Vacuum Degree: Vacuum Exhauster Method: Positive Displacement Pump Structure: Rotary Vacuum Pump Oil or Not: Oil Free Trademark: Denair Transport Package: Export Standard Packing Specification: CE, GC, SGS, BV, ISO Certification Origin: China HS Code: 8414809090 Product Description DENAIRMultistageDry Vacuum Pump Technical Data Model 5 seriesMRD5320MRD5380MRD5480MRD5600MRD5750MRD5880Pumping Capacity(50/60Hz)m3/hr270/320330/380400/460550/650650/780800/950Ultimate Pressure(50/60Hz)Mbar(A)0.2/0.150.15/0.10Motor Power (IEC Motor)kw7.51518.5Motor Speed(50/60Hz)Rpm2960/3570Process ConnectionInlet FlangeDIN/ASMEDN80 PN10 (3" 150#)DN100 PN10 (4" 150#)DN150 PN10 (5" 150#)Exhaust FlangeDIN/ASMEDN40 PN10 (1.5" Female)DN50 PN10 (2" Female)Cooling WaterMax Inlet Pressurebar4Max Outlet Temperature°C7060LubricantGearingOilTypeShellT-68ShellT-68Seal TypeGearing EndSealMechanicalseal +Lip SealBearing EndSealPiston RingSeal+GaspurgeSealSealPurgeSealNitrogen PressureBar0.1-0.25Connection0.25In Female / Φ6 TubeNoise Level(50/60Hz) dB7880Vibration μm<20<25Weight (withmotor)Kg385415435710760800Max ExhaustGasTemperature°C505560758085Max Pump Surface Temperature°C2525253232322DENAIRMultistageDry Vacuum Pump characteristic advantage:Pump TypeMultistageVacuum dry PumpScrew Vacuum dry PumpScroll vacuum dry pumpAir cooled roots pumpLiquid Ring pumpOil Rotary Vane PumpsOil rotary piston pumpCapacity100-20000m3/h80-3000m3/h10-60m3/h1000-20000m3/h20-10000m3/h20-1000m3/h150-800m3/hPressure0.1-1013mbar0.1-1013mbar0.05-1013mbar200-1013mbar50-1013mbar0.001-1013mbar0.005-1013mbarExhaust√Gas√Gas√Gas√Gas(water)(Oil)(Oil)EnergyLowestLowLowLargestLargestMiddleLargeCapacityEfficiencyBestLowLowBetterBetterGeneralLowMotorSpeed>3000rpm>3000rpm1500-3000rpm1000-1500rpm500-1500rpm500-1500rpm500-1000rpmRotor rotationConcentricConcentricEccentricConcentricEccentricEccentricEccentricGas Air√√√√√√√Gas Steam√√√Gas High boiling√√√Gas Dust√Gas CorrosiveGas explosive√√DENAIRMultistageDry Vacuum Pumpstructure advantageMultistageDry Vacuum Pump GasWayScrewdryvacuumpumpGasWayAirflow direction radial, Corrosive process gas does not attack the bearing and gear axially directAirflow direction axial, Corrosive process attack the bearing and gear axially in gear cap violentProcess gas is compressed uniformly in each stage of rotors.Uniform compression heat, so lower exhaust gas temperature The process gas is compressed centrally at the end of screw, so high exhaust gas temperature and screwProcess gas could contact with more cooling jacket surface, high heat dissipation efficiencyProcess gas could contact with few cooling jacket surface, low heat dissipationRoots rotor is more resistant to particles and adherents, few impacts on its performance after its surface wear and corrosionScrew rotor is unsuitable for particles and adherents, large impacts on its performance after its surface wear and corrosionDENAIR ExhibitionsDENAIR Global Customers:DENAIR Product Packaging:FAQQ1:Are you factory or trade company?A1:We are factory.A2:What the exactly address of your factory?A2:OurcompanyislocatedinNo.6767,TingfengRd.JinshanDistrict,Shanghai201502,ChinaAndourfactoryislocatedinNo.58,Huluroad,XinbangTown,Industrialarea,SongjiangDistrict,Shanghai,ChinaQ3:Warranty terms of your machine?A3:One year warranty for the machine and technical support according to your needs.Q4:Will you provide some spare parts of the machines?A4:Yes, of course.Q5:How long will you take to arrange production?A5:380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 daysQ6:Can you accept OEM orders?A6:Yes,withprofessionaldesignteam,OEMordersarehighlywelcome.