Dry Oil Free (2-3/7-10 Bar)

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Dry Oil Free Permanent Magnetic Variable Speed Screw Air Compressor

Model: DMWV-G Series; Brand: Dream

Rated Power: 45~250KW

Air Capacity: 3.9~46m³/min

Working Pressure: 0.2~0.3MPa; 0.7~1.0MPa(0.2~0.3MPa is customized)

Product Features

■ Industry-leading air end, imported brand, quality assurance.

■ Permanent magnet motor, save your electricity costs, IP54, B-level temperature rise is suitable for harsh environments such as large dust and high temperature;

■ Coupling connection, more energy saving;

■ Multiple noise reduction design, calculated according to noise theory, with special flame retardant muffler cotton inside, to reduce the noise of the unit and provide a quieter environment for use.

■ Independent air inlet, reduce intake resistance, multi-function intake valve group, start without load, the motor load is small. Use high-efficiency filters to effectively filter particulates in the air;

■ Centrifugal fan with plate-fin cooler has high wind pressure, low noise, external independent suction, exhaust air upward through a specially designed air duct to prevent hot air from returning; cooler modular design, vertical installation, effectively eliminate thermal stress , More stable operation and long service life;

■ Optimized shock absorption pad to reduce vibration and noise;

■ Routine maintenance parts adopt openable door panels, the installation position is easy to replace, and maintenance is more convenient

■ Motor overload protection

■ The pipeline system is designed according to the design pressure, and the reasonable pipeline is selected, the pipeline pressure loss is low, and the energy efficiency of the unit is improved

■ All 304 stainless steel pipes are used, even under high temperature and high humidity conditions, it will not rust and corrode, and the service life is longer

■ Separate design for the cold and hot zone, no heat zone inside the unit, electrical components are in low temperature zone, longer service life

■ Adopt frequency conversion system, more energy-saving, special control system, multi-channel pressure sensor and multi-channel temperature sensor, comprehensive detection of the running state of the unit; the user interface is more friendly, control is more accurate and reliable

■ The unit is equipped with an Internet of Things system, which can monitor the machine status on the mobile phone.

Parameter

DMWV-G Dry oil free series

DMWV-G seriesWorking pressureCapacityPowerNoiseAir outlet pipe diameterNet weight(kg)Dimensions(mm)
LengthWidthHeightLengthWidthHeight

barpsig(m3/min)cfmkWhpdB
Air-cooledWater-cooledAir-cooledWater-cooled
DMWV-45G71024.4-7.6155.3-268.4456069±3DN5026502700220014002000230015001720

81164.4-7.6155.3-268.4456069±3DN5026502700220014002000230015001720

101453.9-6.9137.7-243.7456069±3DN5026502700220014002000230015001720
DMWV-55G71025.6-9.6197.7-339557569±3DN5028502900220014002000230015001720

81165.1-8.9180.1-314.3557569±3DN5028502900220014002000230015001720

101454.5-7.9158.9-278.9557569±3DN5028502900220014002000230015001720
DMWV-75G71027.3-12.5257.8-441.47510070±3DN5029502950220014002000230015001720

81167.3-12.5257.8-441.47510070±3DN5029502950220014002000230015001720

101456.5-11.2229.5-395.57510070±3DN5029502950220014002000230015001720
DMWV-90G71029.4-16.0332-5659012071±3DN5030002950220014002000230015001720

81168.5-14.5300.1-512.19012071±3DN5030002950220014002000230015001720

101457.5-12.9264.9-455.69012071±3DN5030002950220014002000230015001720
DMWV-110G710211.5-19.5406.1-688.611015071±3DN6535003550300019902180270018001830

811611.5-19.5406.1-688.611015071±3DN6535003550300019902180270018001830

101459.5-16.2335.5-572.111015071±3DN6535003550300019902180270018001830
DMWV-132G710213.6-23.0480.3-812.313217573±3DN6535503600300019902180270018001830

811613.6-23.0480.3-812.313217573±3DN6535503600300019902180270018001830

1014511.8-20.0416.7-706.313217573±3DN6535503600300019902180270018001830
DMWV-160G710215.4-26.0543.8-918.216021573±3DN6536503750300019902180270018001830

811615.4-26.0543.8-918.216021573±3DN6536503750300019902180270018001830

1014513.9-23.5490.9-829.916021573±3DN6536503750300019902180270018001830
DMWV-185G710217.8-30.0628.6-1059.418525074±3DN6541004200300019902180270018001830

811617.8-30.0628.6-1059.418525074±3DN6541004200300019902180270018001830

1014515.4-26.0543.8-918.218525074±3DN6541004200300019902180270018001830
DMWV-200G710220.0-33.6706.3-1186.620027074±3DN100/4500///310021002065

811620.0-33.6706.3-1186.620027074±3DN100/4500///310021002065

1014517.3-29.2610.9-1031.220027074±3DN100/4500///310021002065
DMWV-250G710227.4-46.0967.6-1624.525035074±3DN100/5200///310021002065

811625.0-42.0882.9-1483.225035074±3DN100/5200///310021002065

1014522.4-37.6791-1327.825035074±3DN100/5200///310021002065

Video

Brochure

FAQ

  • 1. Requirements for using lubricating water (after-sales service)

    A: 

    Pure water must be used to ensure that the water is pure.

  • 2. How to add lubricating water?

    A: 

    When the water inlet of the equipment is connected to the water pipe, the equipment will automatically replenish water if there is a certain water pressure.

  • 3. Do I need to change the lubricant during maintenance?

    A: 

    Water lubrication equipment does not need to add lubricating oil, it is lubricating water instead of lubricating oil

  • 4. Does the equipment have an oil separation core?

    A: 

    Water lubrication equipment does not require an oil separation core.

  • 5. How to add water to replenish water?

    A: 

    Automatically control water replenishment

  • 6. What to do if there is water shortage?

    A: 

    The equipment will automatically add lubricating water according to the water level

  • 7. What are the maintenance supplies?

    A: 

    Air filter, water filter

  • 8. Is it guaranteed to be oil-free? (Sales)

    A: 

    Dream’s oil-free units have been certified by Guotong Rheinland and have a Class0 certificate

  • 9. Can tap water be used?

    A: 

    The water requirement for water-lubricated oil-free units is soft water. For specific water quality requirements, see the manual

  • 10. Will it rust?

    A: 

    All materials in contact with water are made of stainless steel and will not rust

  • 11. Can it be made of stainless steel?

    A: 

    All materials in contact with water are stainless steel

  • 12. What material is the casing of the air compressor?

    A: 

    Cold rolled steel sheet

  • 13. Can the water tank be omitted?

    A: 

    The unit needs to automatically replenish and drain water according to the status, and need to be equipped with a water tank

  • 14. Is the air coming out with a lot of water?

    A: 

    The exhaust temperature of the unit is about 50℃, and the gas needs to be dried by post-processing equipment

  • 15. Can the tap water be directly connected?

    A: 

    The water requirement for water-lubricated oil-free units is soft water. For specific water quality requirements, see the manual

  • 16. What should I do if it freezes outdoors in winter?

    A: 

    The screw air compressor is required to be placed in the air compressor room. Please follow the instructions for long-term downtime

  • 17. If the air compressor is placed outdoors, how to avoid freezing in winter?

    A: 

    The screw air compressor is required to be placed in the air compressor room. Please follow the instructions for long-term downtime

  • 18. Motor cooling method

    A: 

    Air-cooled motor

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For more than a decade, Dream (Shanghai) Compressor Co., Ltd has been striving to become one of the leading manufacturers of compressed air solutions in China.

Contact Us

Mob.: +86 134 8216 1490

E-mail: sales@dmcomp.com

Skype: +86 134 8216 1490

WhatsApp: +86 134 8216 1490

Add.: No.30 Caoli Road, Jinshan District, 201502 Shanghai, China

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