250cfm 7bar 7m3 Portable Air Compressor

ModelMDS250S-7CCompressorAirdeliverym3/min7cu.ft/min 250Discharge pressurebar                                              7psig101.5Lubricating Oil capacityL23DieselEngineManufacture&ModelC-ummins 4BT3.9-C105Cylinder Number4Displacement(L)3.9Rotation speed(Rmp)Operating2430Idle speed(r/min)1600Rated power(KW)75Lubricating Oil capacity(L)9Coolant Capacity(L)7.9Battery6-QW-80OthersDimensionL(mm)3700W(mm)2120H(mm)2130Weight(kg)1400Standard ConfigurationSuction valve                                     Lubricating oil filter                           Oil thermostatic valve                                             50°C radiator Solenoid valve                                Vertical air/oil tank                                Pressure regular valve                              Air/oil separator                      Lubricating oil radiator       Safety valve                                                   Emergency stop button                                 Air filter of engine Minimum pressure valve       Lockable battery isolator switch                                                                                                                                                                 Air filter of compressor        Vent valve                                                       Powder coated canopy                                           Shuttle valve    24V sealed for life maintenance free battery                                Fuel tank for 8 hours runningStructure diagramFeature&BenefitFeature BenefitPressure selection and controlEasy pressure settingFlow selection and controlThe working pressure and airflow rate can be adjusted according to the size of air consumption without wasting any dieselThe twin-screw rotor is directly connected with the diesel engine by a highly flexible couplingOutputting more air with less energy consumption, featuring high reliability, longer service life, and low maintenance cost.The two-stage air filtration systemThe total efficiency of air filtration reaches 99.8% ensuring the compressor to not be infringed by dust and dirt particles and longer service life of the engineHigh-temperature resistance designAble to run for a long time under extreme cold or hot temperature from -20ºC to 50ºCOne-button start, clear operational parametersOperators don't have to go through long-term professional training, and unattended operations can be achieved.Application areas ApplicationNominal Working Pressure(bar)Free Air Delivery Range(m3/min)General Construction(building sites, road maintenance, bridges, tunnels, concrete pumping and shotcreting)Hand-held pneumatic breakers7~145~13Jack hammersAir gunsShotcrete equipmentPneumatic wrenchesNut runnersGround Engineering Drilling (basement and foundation excavation for apartment blocks and other buildings)Pneumatic rock drills7~1712~28Block cuttersDewatering pumps.Hand-held pneumatic breakersUtility, Abrasive Blasting(shipyards, steel construction and large renovation jobs)Sandblasting(remove rust, scale, paint)7~1010~22Blast Hole Drilling(aggregate production for construction stabilization, cement production in limestone quarries and open pit mining)Rock drills14~2112~29Dewatering pumpsHand-held breakersHigh Pressure Drilling(drilling for water wells and foundations for high-rise buildings, along with geotechnical/geothermal applications)Water well drilling20~3518~40Selection tableSmall SeriesSmall SeriesFADPressureEngine modelDimensional Date(mm)m3/mincfmBarpsiglengthwidthheightweight(kg)modelwith tow barwithout tow barMDS55S-71.5555 7101.5 D9022925165012001200600MDS80S-72.2480 7101.5D10052925165012001200630MDS100S-72.8100 7101.5V15052925165012001200640MDS125S-73.5125 7101.5V15053065180015001350810MDS130S-83.7132 8116JE4933065180015001350810MDS185S-75.18185 7101.5JE4933200190017401660950MDS185S-105.18185 10145JE4933050190017401660950Middle Series  (Low&Medium pressure)Middle Series  (Low&Medium pressure)FADPressureEngine modelDimensional Date(mm)m3/mincfmBarpsiglengthwidthheightweight(kg)modelwith tow barwithout tow barMDS265S-77.42265 7101.5JE49336292200170014701200MDS300S-148.4300 142034BTA3.938502600181023781800MDS350S-109.9354 101454BT3.938502600181023781800MDS390S-711393 7101.54BTA3.938502600181023781800MDS390S-1311393 13188.5QSB4.538503100181023781980MDS429S-712429 7101.54BTA3.938502600181023781800MDS429S-1412429 14203QSB4.538503100181023781980MDS500S-1414.1504 142036BTAA5.945503600181023783100MDS690S-1419.3689 14203QSB6.749503300217026203500MDS720S-1020.2721 10145QSB6.749503300217026203500MDS750S-1221750 12174QSB6.749503300217026203500MDS786S-10.322786 10.3149.35QSB6.749503300217026203500MDS820S-1423821 142036LTAA8.953004200217026305200MDS850S-8.624857 8.6124.76CTAA8.353004200217026304600MDS900S-7.125.3904 7.1102.956CTA8.353004200217026304600Middle Series (Medium&High pressure)Middle Series (Medium&High pressure)FADPressureEngine modelDimensional Date(mm)m3/mincfmBarpsiglengthwidthheightweight(kg)modelwith tow barwitho