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1. Energy-saving., 2. Lower noise level., 3. Longer lifetime., 4. Totally oil free., 5. Easy for installation and maitenance. - details see: https://www.machineto.com/sl22w-oil-free-gas-booster-compressor-10210586

Why Choose Us:

From the two pictures above, we can find the electric consumption of air compressor is about a quarter of the whole factory, and the electric charge is also the major cost in the air compressor total cost, far more than the Equipment Investment and Maintenance Cost. So before you choose one compressor, electric consumption should be considered first. SHENLONG screw air compressor adopts Germany DOS.DS technology. All the compressors are direct connection, more balance and stable in running. Innovative design with a copper motor makes the power loss lessened by 40%.

List below is the comparison of SHENLONG compressor and common qualified compressor:

Brief Introduction:

Shenlong oil free screw compressor is our mature product based on German DOS.DS technology. The whole machine is water lubricated, totally oil free. Advanced water system make the lubrication, sealing, noise reduction and cooling in a high performance. SKF bearings and internal hermetic seal technology separate water and bearing absolutely, no water rustiness of bearing make sure long life up to 50,000 hours. The machine choosesdirect connection transmission, which is power saving. It is widely used in Chemical analysis, instrument control, bacterial cultivation, Petrochemical industry, steel and Hi-tech industries, food industries, papermaking and textile industries, electronics and appliance industries, especially pharmaceutical and medical industries, it is fullycomplied with GMP requirements.

Features:

High efficiency:

The water 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:

Shenglong compressor is designed according to the market based on German technology. Through more than 10 years market experience, all of its 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:

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

Dry air:

Lubricant water has low viscosity,which enables water and air to separate easily. Water content can be separated preliminarily within the water-air tank. Compressed air has a relative humidity of100% and,if equipped with a drier,can be dried up without installing a water discharge device in the pipeline.

Low noise design:

The air-sealing effect of water lubrication can reduce the compressor rotation rate,and have the structure of compressing chamber realize the design of force balance. The installation of an additional set of new-type soundproof enclosures reduces noise down to 60-80 dBA.

Environmental protection:

Proper materials and treatment are applied to the air compressor and other fittings to prevent corrosion. Advanced materials such as ceramics and carbon fiber are used for the compression chamber gaskets. Admixture filtering and auto-change of lubricating water filter ensures clean, quality lubricant water.

Near isothermal compression:

Thermal energy and water film arising from the compressed air cooled by the lubricant water that has been 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°Cis compressed to 7kg/cm²G in a thermal insulation process, the discharge air temperature will be over 250°C. Injection of lubricant that has a cooling effect, into the temperature down to about 40°Cachieving high efficiency ideal isothermal compression.

Oil-Free System Structure:

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.

Details:

The main unit adopting DOS.DS slight oil compression technology from Germany, which has the most balanced stress. All compressor types adopt direct connection transmission, more stable in running.	The main unit besides the screw is made of copper, which is corrosion-proof and high performance.	Optimized design of motor casting, with all designs in conformity with the international standard; Innovative design with a copper rotor to make the power loss of motor lessened by 40%. Wide range of application of voltage to make compressors more economical in energy conservation and more constant in air supply pressure.
The air-water separator and water tank are made of SS304.	World famous brand Schneider electric elements, adopt sliver contacts with a life of more than 3 million times, offering a long-term guarantee for safe use.	Shenlong Intelligentized Control System According to market needs for “technology automation”, relevant hardware and software based on PC control have been extended correspondingly to convert status monitor and operation data to the PC long-distance control platform, and therefore a series of products and solutions are provided.

Technical Parameter:

Certification:

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