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Silent oil free air compressor for food industrial 100% oil free single screw air compressor

Categories Oil free screw air compressors
Brand Name: ROYAL MACHINE
Model Number: RMW-175A
Certification: CE
Place of Origin: CHINA
MOQ: 1unit
Price: usd2256
Payment Terms: L/C, T/T, Western Union
Supply Ability: 600units/month
Delivery Time: 5-20days
Packaging Details: plywood case
name: screw air compressor
cooling: by air
voltage: 220v/380v/400v
Motor Power: 5~37(Kw)
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Silent oil free air compressor for food industrial 100% oil free single screw air compressor

75kw 6m3/min at 40bar oil free screw air compressor for PET bottle blowing


250kw/350hp oil free screw air compressor short specification:

  • Model No.: RMW-350A
  • Way of transmission: coupling driven
  • Air flow capaicty: 41m3/min @8bar; 38m3/min @10bar
  • Power: 250kw/350hp
  • Lubrication water volume: 300liters
  • Cooling method: water cooling
  • Speed: 2970rpm
  • Outlet connect: DN100
  • Inlet temperature: atmospheric pressure 2-40℃
  • Outlet temperature: Cooling water temp.+14℃
  • Voltage: 380v/415v/220v-3p-50hz/60hz are available
  • Weight: 5200kg
  • Dimension: 332*160*184cm

Controller features of this oil free screw air compressor

  • 6” touch screen control panel, user interface for simple and convenient operation.
  • multiple link control available, no link panel required, meeting various demand from customers.
  • power saving/local / remote/auto/manual multiple operating modes.
  • real time alarm and warning display for full control of various conditions.
  • actively power saving and protect design for efficiency power saving and loading control.
  • control system functions.
  • 1.Status display
  • 2.Alarm function
  • 3.System time parameters
  • 4.System maintenance
  • 5.Shutdown protection

Oil-Free System Structure of the water lubrication screw air compressor

  • In conjunction with the wear-resistant flat bearing, high performance ceramic bearings constitute a big air chamber between the mechanical bearing seal and the bearing to keep the compression chamber clean, and avoid the influence of compression chamber water & air and vacuum pressure on the bearing. This increases reliability.


High efficiency lubrication water of the oil free screw air compressor

  • Lubricant water functions
  • Serves as sealant, coolant and lubricant.
  • Sealing function reduces/seals “blow hole” between rotors and housing to absolute minimum, ensuring efficient compression with delivered air volume per horse power increased by 15% as compared to general dry-type screw units.
  • Lubricant water also very effectively absorbs and dissipates heat generated during compression process.


High reliability of the oil free air compressor

  • Oil free screw compressor applies rotary single screw air-end.
  • By being in market every since 1982, it has undergone practical for over 30 years, all of it’s air quality, power saving and high reliability features have turned out to be state of the art in design and performance.
  • Air and water are becoming a major trend in compressor market due to their high compatibility, availability, reliability and environment friendliness.


Long interval maintenance periods of the oil free screw air compressor

  • Nearly ideal isothermal compression, direct driven method, smart configuration and precision component design and machining, long bearing service life, all of the above essentially extends interval between regular periodical maintenance.

Near isothermal compression:

  • Thermal energy and water film, arising from the compressed air cooled by the lubricant water that has being injected into the compression chamber, seals up rotor gaps to prevent air back flow. The ideal isothermal compression thus achieves optimum efficiency. Theoretically, when air at 20℃ is compressed to 7kg/cm2G in a thermal isolation process, the discharge air temperature will be over 250℃, injection of lubrication water that has a cooling effect, into the compression chamber will bring the temperature down to about 40℃, achieving high efficiency ideal isothermal compression.


Full range technical parameters of the oil free screw air compressor

ModelWay of TransmissionAir flow /PressurePowerInject water volumeCooling water volumeWay of CoolingSpeedConnectWeightDiemention (mm)
m3/min/barKWHPL/minL/minrpminchKgLWH
RMW-10ACoupling1.16/81.04/107.51027Air2930G1"50011008001000
RMW-15ACoupling1.56/81.36/10111527Air2930G1"50011008001000
RMW-20ACoupling2.4/82.12/10152027Air2930G1"55011309001040
RMW-25ACoupling3.1/82.62/1018.52527Air2940G1"600140010001200
RMW-30ACoupling3.5/83.13/10223027Air2940G1"655140010001200
RMW-40ACoupling5.0/84.2/10304040Air2940G11/2"1150192011701320
RMW-50ACoupling6.1/85.22/10375040Air2940G11/2"1200192011701320
RMW-60ACoupling7.3/86.13/10456040Air2960G2"1320192011701320
RMW-75ACoupling9.6/88.6/105575100150Water2960G2"1520193013201525
RMW-100ACoupling12.5/811.42/1075100100200Water2960G2"1620193013201525
RMW-125ACoupling16.3/814.52/1090125180250Water2970DN801800193013201525
RMW-150ACoupling19.4/816.9/10110150200270Water2970DN803100215016001680
RMW-175ACoupling22.21/820.38/10132175240320Water2970DN803250215016001680
RMW-215ACoupling25.5/824.0/10160215Water
Quality Silent oil free air compressor for food industrial 100% oil free single screw air compressor for sale
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