Reciprocating Piston Air Compressor AC DC Copper Wire Motor Air Pump Large Displacement Compressor Silent Oil-Free Air Compressor

   ModelBW704Voltage/frequency 1.220-230V/50/60Hz2.100-120V/50/60Hz3.380-440v/50Hz1,3 optionalPowerKW3.12HP4Volume flowL/min @0MPa700L/min @0.7MPa220PressureBar8MPa0.8Tank volumeL180US gallons47.5NoisydB60Pressure switchAccording to customer's requirements .Configuration optional 1. Add oil and water separator;2. Add automatic drainer;3.Air tank against rust spray1,2,3 optionalSizeL*W*H cm130*48*92WeightKg115PackingCartons or wooden cases size cmWood 132*50*95Typical applicationFor medical devicesLaboratory useDental treatment chairFor chromatographic analyzerFor qualification analyzerFor woodworkingFor plant gas supplyHardware and electromechanicalFor automobile maintenance shop       Why choose besten air compressor 1. It saves 10-30% energy than the air compressor produced by ordinary manufacturers.2. It is widely used in medical oxygen generator and ventilator .3.  A large number of high-speed train and automobile application cases, supporting - 41 to 70 ºC, 0-6000 meters above sea level .4. Medium and high-end quality, with more than 7000 hours of trouble free operation for conventional products and more than 15000 hours of trouble free operation for high-end  products.5. Simple operation, convenient maintenance and remote guidance.6. Faster delivery time, generally completed within 25 days within 1000 PCs.   Machine PartsName: Motor Brand: COMBESTAIR Original: China1.The coil adopts the fine pure copper enameled wire, and the rotor adopts the famous brand silicon steel sheet such as Shanghai baosteel.2.The customer can choose the insulation grade B or F motor according to What he wants.3.The motor has a built-in thermal protector, which can select external heat sensor.4.Voltage from AC100V ~120V, 200V ~240V, 50Hz / 60Hz, DC6V~200V optional ; AC motor can choose double voltage double frequency ; DC Motor can choose the control of the infinitely variable speed.Machine PartsName: BearingBrand: ERB , TPI , NSK Original: China ect.1.Standard products choose the special bearing 'ERB' in oil-free compressor, and the environment temperature tolerance from -50ºC to 180 ºC . Ensure no fault operation for 20,000 hours.2.Customers can select TPI, NSK and other imported bearings according to the working condition.Machine PartsName: Valve platesBrand: SANDVIKOriginal: Sweden1.Custom the valve steel of Sweden SANDVIK; Good flexibility and long durability.2.Thickness from 0.08mm to 1.2mm, suitable for maximum pressure from 0.8 MPa to 1.2 MPa.Machine PartsName: Piston ringBrand: COMBESTAIR-OEM , Saint-GobainOriginal: China , France1.Using domestic famous brand--Polytetrafluoroethylene composite material; Wear-resistant high temperature; Ensure more than 10,000 hours of service life.2.High-end products: you can choose the ST.gobain's piston ring from the American import.serialnumberCode numberName and specificationQuantityMaterialNote1212010109Fan cover2Reinforced nylon 1010 2212010106Left fan1Reinforced nylon 1010 3212010101Left box1Die-cast aluminum alloy YL104 4212010301Connecting rod2Die-cast aluminum alloy YL104 5212010304Piston cup2PHB filled PTFE 6212010302Clamp2Die-cast aluminum alloy YL102 77050616Screw of cross head2Carbon structural steel of cold headingM6•168212010501Air cylinder2Thin wall pipe of aluninun alloy 6A02T4 917103Seal ring of Cylinder2Silicone rubber 10212010417Sealing ring of cylinder cover2Silicone rubber 11212010401Cylinder head2Die-cast aluminum alloy YL102 127020525Screw of inner hexagon Cylinder head12 M5•251317113Sealing ring of connecting pipe4Silicong rubber 14212010801Connecting pipe2Aluminum and aluminum alloy connecting rod LY12 157100406Screw of Cross head41Cr13N19M4•616212010409Limit block2Die-cast aluminum alloy YL102 17000402.2Air outlet valve27Cr27 quenching steel belt of The Swedish sandvik 18212010403valve2Die-cast aluminum alloy YL102 19212010404Air inlet valve27Cr27 quenching steel belt of The Swedish sandvik 20212010406Metal gasket2Stainless steel plate of heat and acidresistance 21212010107Right fan1Reinforced nylon 1010 22212010201Crank2Gray castiron  H20-40 2314040Bearing 6006-2Z2  2470305Tighten screw of inner hexagon flat end2 M8•8257020520Screw of inner hexagon Cylinder head2 M5•2026212010102Right box1Die-cast aluminum alloy YL104 276P-4Lead protective ring1  2870905152-211Hexagon head bolt2Carbon structural steel of cold headingM5•1522971005120-211Screw of Cross head2Carbon structural steel of cold headingM5•1203016602Light spring washer4 ø531212010600Stator1  3270305Lock nut of hexagon flange faces2  33212010700Rotor1  3414032Bearing 6203-2Z2   FAQQ1: Are you factory or trade company?  A1: We are factory.Q2: What the exactly address of your factory? A2: Our factory is located in Linbei industrial area No.30 Ruian City of Zhejiang Province, ChinaQ3: Warranty terms of your machine? A3: Two years 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