Our oil free air compressors help companies across the globe meet and exceed their quality and production goals. Atlas copco, a pioneer in oilfree air screw technology, is known for its range of compressors designed especially for applications that require oilfree air. Test and analysis of condensation of oil in the discharge air of hitachi oilfree screw compressor dsp are iso85731 implemented by third party tuv based on iso85731 standard. Oil free, rotary screw air compressors rogers machinery company, inc. This makes them more reliable and easier to maintain than pneumatic valves. Hitachi oil free screw compressors offer oil free air at class 0 iso85731. Oil temperature o 33 32 oil free oil flooded refrigeration. With a boge oilfree screw there is no chance that oil can penetrate the compression process that means oil free air from the start. However, technology advancements now allow an oil free compressor to provide up to 2,000 hours of life, which can approach the life of conventional oil lubed designs. Oil flooded screw compressors have been used in many process related applications since the 1980s. Buy products related to air compressor oil products and see what customers say about air compressor oil products on free delivery possible on eligible purchases. At the heart of every kaeser oil free compressor lies a rugged, twostage rotary screw airend proven to withstand the toughest operation. While we most commonly offer oil injected rotary screw compressors and reciprocating compressors, you can order an oil free screw compressor. Example of calculation 56128 mm oil flooded air compressor.
A given quantity of air or gas is trapped in a compression chamber and the space that it occupies is mechanically reduced, causing a corresponding rise in pressure prior to discharge. Class 0 certificate is approved for oil free air compressors. The hydraulically operated inlet valves in kaeser oil free compression rotary screw compressors are unaffected by contamination and condensate. With inhouse oilfree technology, the compressors are engineered to deliver maximum uptime and reliability. How oilfree rotary screw air compressors work the workshop. Ultima contributes to bottom line cost savings in many ways. This first edition of api 619 2004 look ed only at oil free screw compressors. Oil free screw air compressors twostage water cooled 90 to. Screw compressor fsi calculations comet mathematical model for screw compressor. Ingersoll rand is the technology leader in oil free compressed air. General difference between screw and reciprocating piston.
It shows that centrifugal and oil free screw compressors have the highest reliability compared to other compressor types. Central to this are the special compression stage and the boge cooling concept. For absolutely 100% oil free compressed air, you need an oil free compressor. Mar 16, 2020 to ensure that your compressor is going to be reliable, efficient and durable, you need to be sure about what kind of rotor coating is used on the air ends and on the housing of your oil free rotary screw air compressor. Ingersoll rand offers a wide portfolio of oil free products that will adapt to your industry and application. The zr highend rotary screw compressor comes out of this. Oilfree rotary screw compressors ingersoll rand pdf. Oil free screw compressor ultima u75 gardner denver. The zr highend rotary screw compressor comes out of this strong tradition.
Boge compressors oilfree compressed air technology. All of boges screw compressors offer maximum reliability, highly efficient operation and extremely easy maintenance. Oil free rotary screw compressors lseries 37110 kw for any application where high air purity is essential, the ideal choice is the ingersoll rand lseries rotary screw compressor, a highly engineered. Elgis unique etav rotor design reduces pressure losses and increases stage efficiencies, leading to an optimized compressed air system. We offer completely oil free systems such as the high speed turbo. The rotary screw compressor is available in an oilinjected and oilfree versions. Whether with oil injection cooling or oil free, frequencycontrolled, beltdriven or directly.
This is most apparent in the development of our pureair oil free air compressor product line, specifically our oil free air compressor, ultima, and our oil less air compressor, quantima. Oil free rotary screw air compressors proven sullair reliability energy efficient minimal maintenance always air. Ingersoll rand s oil free rotary screw compressors lseries 37110 kw for any application where high air purity is essential, the ideal choice is the ingersoll rand lseries rotary screw compressor, a highly engineered system solution that meets all customer needs and brings them energy savings and peace of mind. Ingersoll rand is the technology leader in oilfree compressed air not only because we. Oilfree screw compressors airpack, custom made oil and. The availability of oil injected screw compressors and of reciprocating compressors is much lower. From the industry that requires large volumes of flow, to the industries with a fluctuating demand that requires the use of the nirvana oil free vsd compressor, ingersoll rand will assess and propose the best oil free solution for your needs. Ingersoll rand is the technology leader in oilfree compressed air not only because we develop classleading products, but also because we know our. Elgi is one of the very few compressor companies to design and manufacture oilfree airends. Internal piping, high end design features, variable speed drive. Kaesers renowned quality offers peace of mind and built for a lifetime reliability.
Oil free screw compressor is the best choice to be the complete set for the textile sector. The hydraulic inlet valves in kaesers oil free rotary screw compressors are unaffected by contamination and condensate. The big difference is the design of the compressor elements, the part where the actual compression takes place. Man energy solutions capabilities in the field of oil free screw compressors are unique. Major users include manufacturers in the fields of electronics, food, textiles and pharmaceuticals, as well as in hospitals and research facilities. Oil free compressing screw compressors 3 clean air from the outset. The scroll compressor is not the only type of oil free gas compressor. The rotary screw compressor is one of the most commonly used compressor units in numerous industrial applications. Process gas screw compressors man energy solutions. The basic principle of the oil free screw compressor is same the same as for oil injected compressors. The basic principle is the same the rotors push the air to one side, but they are quite different machine.
Boge compressors is a specialist in absolutely safe oilfree compressed air systems. Atlas copco sets a new industry standard when it comes to clean, oilfree compressed air for your critical processes, you cant afford to compromise. The other compressor types available now in india are centrifugal. These compressors are used in a wide range of production and service facilities where clean air is required. Oil free air compressor kobelco compressors america inc. Oilfree screw compressor or oilinjected screw compressor. Over 60 years of experience, more than 2,000 compressor units in the field, proven trouble free availability of more than 100,000 continuous operating hours underline the exceptional quality of man energy solutions oil free screw compressors. The zrzt highend rotary screw compressor comes out of this strong tradition.
Elgi is one of the very few compressor companies to design and manufacture oil free airends. Reliability class 0 100% oil free air, 100% of the time. Whether with oil injection cooling or oil free, frequencycontrolled, beltdriven or directly coupled these. Kaeser oilfree compression rotary screw compressors are therefore built to. Denver utilizes a low pressure and high pressure dry screw airend each airend is individually. Rotary screw air compressors use two meshing helical screws, known as rotors or airend, to compress the air. Air compressors, blowers, compressed air dryers and compressed air equipment from such leading manufacturers as atlas copco, champion compressor, ingersoll rand, quincy, sullair, kaeser, vanair, hankison, roots and md for sale, service and export. Twostage aircooled watercooled fixed speed or vfd 20 500 hp 72 2400 scfm 40 150 psig premium ef. The variable speed model has achieved further energy saving by constant pressure control, while providing a.
Pillis global products manager for screw compressors frick division of york international waynesboro, pennsylvania joseph w. Ideal for industries where highquality oilfree air is key, the zr offers the highest. Ingersoll rand is the technology leader in oil free compressed air not only because we develop classleading products, but also because we know our. Oil free rotary screw compressors lseries 37110 kw for any application where high air purity is essential, the ideal choice is the ingersoll rand lseries rotary screw compressor, a highly engineered system solution that meets all customer needs and brings them energy savings and peace of mind. The hydraulic inlet valves in kaesers oil free rotary screw compressors. Rotary screw and rotary tooth oilfree air compressors zr. The testing established that the discharge air of hitachi dsp is certied as the highest level of quality air class 0zero. A rotary screw air compressor is a positive displacement compression system that includes a pair of matching helical screws. But as the name suggests, there is no oil injected during compression. Oil free screw air compressors manufacturer of a wide range of products which include oil free screw air compressors, twostage water cooled 90 to 450 kw, oil free air cooled compressor and two stage water cooled 90 to 450 kw compressors. Remember and recognize that the most common damage in an oil free rotary screw air compressor is rotor coating degradation.
Oil free rotary screw compressors the new dimension in oil free compression with logical component layout and exceptional attention to detail, kaesers 2stage oil free air compressors were designed. The twostage rotary screw compressor provides completely oil free air because no oil. Large rotary screw single and twostage air compressors 100500 hp 75350 kw rotary screw air compressors reliability at your fingertips. This be comes obvious from the mean time between failure mtbf. Oil free screw compressor brochure hitachi australia. We supply replacement sigma fluid, roto inject oil. Nordquist product manager, oil free screw compressors ac compressor corporation appleton, wisconsin peter a. Nl w orldwide air and gas package manufactur er netherlands 2101763 airpack inserts 16112010. It is very simple to produce foods that are quite safe. The number of shuttleless looms in china will be doubled to 200,000 before 2005. Builtin features provide important benefits separate, easytoadjust valves reliable rotary screw air end the ds oil free compressor has separate inlet and blow down valves of simple, rugged design for easy adjustment and maintenance. The oil injected rotary screw compressor is a positive displacement type compressor.
Screw compressors and reciprocating piston air compressors are the most widely used technologies in india at present. Take a closer look at our aircooled oil free rotary screw compressors. While we most commonly offer oil injected rotary screw compressors and reciprocating compressors, you can order an oil free screw compressor from titus as well. Us units change overview component of your process efficiency.
The aerzen process gas screw compressor uses the standard vraunit for the compressor block with specified ancillary accessories assembled together to form a well conceived package unit to suit each application. With inhouse oil free technology, the compressors are engineered to deliver maximum uptime and reliability. Pillis is global products manager for screw compressors. Oil free rotary screw compressors the new dimension in oil free compression with logical component layout and exceptional attention to detail, kaesers 2stage oil free air compressors were designed specifically with the user in mind. When the machine is water cooled, the cooling system is often divided in two circuits. Dry screw compressors in process gas applications including maintenance considerations by glen b. Denair oil free air compressor line is guaranteed 100% clean oil free air compressor with 50 types of oil free screw air compressor patent technologies. Reciprocating piston type air compressors use pistons driven by a crankshaft to compress the air. The zrzt highend rotary screw compressor comes out of this. The big difference is the design of the compressor. Oilfreescrewcompressor for a wide range of tasks conveying all kinds of bulk material and many more there are hardly any limits to the possible applications for aerzen screw compressors. Screw compressor kobelco offers oil free and oil injected screw gas compressors, as well as advanced dry screw compressors that combine the benefits of both technologies. An oil free scroll compressor works without oil for clean environments where oil could contaminate the facility.
Twostage dryrunning kaeser rotary screw compressors. Durable coating the blasted and bonderized rotors are treated using a special. However, the problem with this type of compressor is that it creates a lot of heat and friction. Direct injection, oilinjected, directcooled, flooded various names are suggestive of the direct contact of lubricatingcooling oil onto the rotating screw parts requires a separator just after compression to remove oil from the compressed air oilfree, oilless, dry compressors also. By the test result, oil contained in the discharge air of hitachi dsp is proved and certi. The rotary screw compressor is available in an oil injected and oil free versions. Several thousand kobelco oil free air screw compressors are already in service in some. Not only do they deliver outstanding efficiency and significantly lower lifecycle costs, the ultima requires on average, 3. Oil free screw compressor is the best choice to be the complete set for the textile. Air cooled oilfree air compressors by kaeser compressors. Rotary screw compressor oil injected or oil free rotary screw air compressors use two mated helical screws inside a chamber. Oil free screw compressors have been used for process gas application since the 1970s. Air compressors, blowers, compressed air dryers and compressed air equipment from such leading manufacturers as atlas copco, champion compressor, ingersoll rand, quincy, sullair, kaeser, vanair.
Oil free screw compressors vra units screw compressors. Bielskus staff engineer amoco oil company chicago, illinois and russ clayton manager of customer support ac compressor. Whether for the semiconductor, food or automotive industries. A given quantity of air or gas is trapped in a compression chamber. Oil free screw compressors product literature pdf, 4. The air pressure inside the chamber is increased by turning the two screws, essentially reducing the volume. Advantages and disadvantages of air compressor types. Each screw compressor consists of a male and female screw. Air compressors compressed air products kerr compressors. Providing optimum performance and dependability, every airend ensures maximum efficiency throughout its entire service life. Compressed air simply has to be available wherever and whenever it is needed.
Oilfree twostage rotary air screw compressors these compressors are used in a wide range of production and service facilities where clean air is required. This makes them more reliable and easier to maintain. It caters to different industries such as food and beverage, pharmaceutical and semi. During this period, the oil free screw compressor was applied in 89 process gas applications where api 619 screw compressors replaced reciprocating and centrifugal compressors by takao ohama president yoshinori. Basics of operation and application of oil flooded rotary screw compressors by joseph w. Large rotary screw single and twostage air compressors. Oil lubed compressors are a common choice because they typically provide longer product life. The atlas copco z range of oil free screw compressors. Oilfree, rotary screw air compressors twostage, air. The screw compressors are individually designed to fulfil widely differing requirements. Oil flooded screw compressors are covered in the latest edition of api standard 619 issued in 2004. On watercooled oil free rotary screw air compressors, water is used to cool the oil, the compressed air and the compressor elements. Each compressor is provided with an oil cooler, inter cooler and after cooler, which can be of an air or water cooled type. Tests and analysis of condensation of oil in the discharge air of hitachi oilfree screw compressor dsp are implemented by a third party tuv, based on the iso85731 standard.
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