We have the flexibility, thanks to the broadest range of class zero oilfree and oilless technologies in the industry, to match your highest of standards. Class 0 certificate is approved for oilfree air compressors. Above a pressure of 10 barg oil free piston compressors are the correct. Excellent energy savings relief from potential peak demand charges possible utility company rebate dc link choke or 3% line reactor included. Thanks to an innovative system design, air cooled models are available all the way up to 450 hp. Our duplex rotary screw compressors are built to be easy to service, maintain and operate. The basic principle is the same the rotors push the air to one side, but they are quite different machine. A rotary screw compressor is a type of gas compressor, such as an air compressor, that uses a rotary type positivedisplacement mechanism. Ideal for industries where highquality oilfree air is key, the zr offers the highest reliability and. How oilfree rotary screw air compressors work the workshop. Rotary screw compressors are commonly used in a wide range of commercial, industrial, and light manufacturing applications that range from 3hp to over 500hp.
No oil means that there is no oil for sealing the rotors and for cooling the compressed air, elements and rotors. You can just put in in your workshop without wearing ear. For decades now, the lubricated rotary screw compressor has been the most popular technology for the majority of industrial plant air applications from 20 to 500 hp and from 80175 psig. A conventional rotary screw compressor employs two intermeshing rotors in a stator housing that has an intake and a discharge port. Some of the advantages of rotary vane compressors are smooth and pulse free air output, low noise, high output volume, low vibrations, prolonged service intervals and long life. Oilfree air compressors ingersoll rand offers a wide portfolio of oilfree products that will adapt to your industry and application. For air cooled requirements, refer to bulletin knwaxl vfd capacity at 100 psig knwxl vfd 0412 printed in u.
Oilfree rotaryscrew air compressors ingersoll rand. Sullair has more than 30years of experience with rotary screw air ends. Rotary screw air compressor air compressor pdf manual download. Atlas copco, a pioneer in oilfree air screw technology, is known for its range of compressors designed especially for applications that require oilfree air. Oil free screw or centrifugal compressors should be applied. Oilfree rotary screw air compressors ingersoll rand pdf. Zseries, oilfree, rotary screw series compressor packages. Only ingersollrand offers nirvana oilfree, the worlds first true variable speed oilfree compressor for critical oilfree applications requiring the highest quality of air and the greatest reliability. Available in a variety of horsepower, tank, and electrical voltage from 10500 cfm. Rseries 90160 kw125200 hp rotary screw air compressors offer the very best of timeproven designs and technologies with new, advanced features that ensure the highest levels of. Oilfree air compressors ingersoll rand offers a wide portfolio of oil free products that will adapt to your industry and application.
Rotary screw air compressors a rotary screw air compressor is a positive displacement compression system that includes a pair of matching helical screws. Oil free rotary screw scroll when compressed air quality is critical and the smallest drop of oil can damage or spoil product, oil free compressed air is the best fit. The oil filter can be located on the compressor, the separator tank or mounted remotely on a filter. Kaeser oilfree compression rotary screw compressors are therefore built to. Oilfree rotary screw compressors kaeser compressors. Ideal for industries where highquality oilfree air is key, the zr offers the highest reliability and safety in. Oilfree screw compressors airpack, custom made oil and.
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. These units are designed to deliver a reliable source of oil free air and follow kaeser s core design principles. Atlas copco was the first to develop oilfree rotary screw air compressors and throughout the years many have imitated but never duplicated. The air pressure inside the chamber is increased by turning the two screws, essentially reducing the volume. The zrzt 55900 oil free screw compressors represent the flag ships of the atlas copco compressor fleet. Whether with oil injection cooling or oil free, frequencycontrolled, beltdriven or directly coupled these. Aug 17, 2011 rseries 90160 kw125200 hp rotary screw air compressors offer the very best of timeproven designs and technologies with new, advanced features that ensure the highest levels of reliability. For nitrogen production oil free air must be applied breathing air quality. Examples include food and beverage, pharmaceuticals, textiles and electronics companies. Rotary screw air compressors can be either oil cooled or oil free depending on the purity of the compressed air required.
Z series can be found in every major industry throughout the world and are relied upon for extremely demanding and critical applications. The zr highend rotary screw compressor comes out of this strong tradition. Rotary screw compressor troubleshooting compressed air systems. Consult ingersoll rands entire oilfree rotary screw air compressors catalogue on directindustry. While we most commonly offer oilinjected rotary screw compressors and reciprocating compressors, you can order an oilfree screw compressor from titus as well. Compressed air simply has to be available wherever and whenever it is needed. Oil free air compressor series from kaeser compressors. Ingersoll rand is the technology leader in oilfree compressed air not only because we develop classleading products, but also because we know our customers industries, understand the demands placed on. Air compressor oil varies in composition and colour, but is often yellow or light brown, and becomes darker as it becomes contaminated over time. The ds has a proven track record of installations in various industries that require a reliable machine that can deliver quality oil free air for the. Some of the advantages of rotary vane compressors are smooth and pulsefree air output, low noise, high output volume, low vibrations, prolonged service intervals and long life. Ingersollrand rotary screw air compressor product safety information. This videos shows a brief insight in to the way a rotary screw air compressor produces compressed air. The scr oil free rotary screw compressor is engineered to deliver 100% oil free compressed air.
The oil filters job is to collect any loose particles that have collected in the oil and shouldnt reenter the air compressor system. For industries with stringent air quality requirements like chemical, pharmaceutical, or food and beverage, kaeser offers a complete line of twostage oil free rotary screw air compressors. More than air, a history of innovation 1906 publicly traded company on nyse 1912 ingersoll rand pioneers oilfree centrifugal compressor technology 1952 the worlds first oilfree rotary compressor is introduced 1933 technologically advanced oilfree reciprocating compressor goes to market. The air is pushed by the rotors that are rotating in the opposite direction and compression is done when it gets trapped in clearance between the two rotors. When it comes to clean, oilfree compressed air for your critical processes, you cant afford to compromise. The oilinjected type is most common, because it has a much lower pricetag than the oilfree one which you should only use if your application requires 100% oilfree air. Ideal for industries where highquality oilfree air is key, the zr offers. They are commonly used to replace piston compressors where large volumes of highpressure air are needed, either for large industrial applications or to operate highpower air tools such as jackhammers and impact wrenches. Ideal for industries where highquality oilfree air is key, the zrzt offers the highest reliability and safety in. Advantages and disadvantages of air compressor types. Openframe duplex rotary screw compressors are the ultimate in electrical efficiency.
Oilfree rotaryscrew air compressors 37300 kw 50400 hp 2. Whether with oilinjection cooling or oilfree, frequencycontrolled, beltdriven or directly coupled these. All major components manufactured, assembled and tested in one location. 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. Talk to one of our experienced rotary screw air compressor experts at 866. Whether for the semiconductor, food or automotive industries. Oil free rotary screw air compressors the japanese made dsp rotary screw compressor is a large range starting from 22kw up to 240kw. Atlas copco is renowned for designing and manufacturing some of the most durable oilfree screw compressors. 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. Oilfree compressor 76 pages air compressor ingersollrand ssr up6 40 operation and. While there are oilfree rotary vane blowers and vacuum pumps, rotary vane compressors are not oil free. Champions mto ii is changing the way the world uses oil free compressed air.
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 rotary screw air compressors 37300 kw 50400 hp 2. Thanks to an innovative system design, aircooled models are available all the way up to 450 hp. With an ingersoll rand oilfree compressor, you dont have to worry about contaminated air, regardless of the technology you choose. Variablespeed drive, oilfree rotary screw air compressors. Instead, cooling takes place inside the compressor itself, so it can run continually. The big difference is the design of the compressor elements, the part where the actual compression takes place. Dec 11, 2010 this videos shows a brief insight in to the way a rotary screw air compressor produces compressed air. Fewer rotating parts than any other rotary air compressor in its class. An oil flooded rotary screw compressor includes a lubricant that fills the gap between the rotors, which creates an air tight hydraulic seal and transfers mechanical energy between the two rotors.
Atlas copco is renowned for designing and manufacturing some of the most durable oil free screw compressors. While there are oil free rotary vane blowers and vacuum pumps, rotary vane compressors are not oil free. Oil free air compressors ingersoll rand offers a wide portfolio of oil free products that will adapt to your industry and application. Air compressor oil synthetic oil for rotary screw air. Class 0 certificate is approved for oil free air compressors. Find a huge selection of rotary screw compressor, rotary air compressors and screw compressors from top brands.
An oil free compressor is a virtual necessity in any environment that requires 100 percent oil free air. Twostage oil free air compressors from kaeser combine processsure purity and durability with maximum energy efficiency. From the industry that requires large volumes of flow, to the industries with a fluctuating demand that requires the use of the nirvana oilfree vsd compressor, ingersoll rand will assess and propose the best. The rotary screw compressor is available in an oilinjected and oilfree versions.
W compressor air in compressor air out water outw ater in l h automatic drains oil free rotary screw air compressors. Oil free air allows you to produce the highest quality products, lower your costs and protect your employees and the environment. Oilfree is in quotation marks because oilfree compressors dont provide oilfree air theres oil in the air around us. Excellent energy savings relief from potential peak demand charges possible utility company rebate dc link choke or 3% line reactor included model. An oilfree compressor is a virtual necessity in any environment that requires 100 percent oilfree air. Air compressors compressed air products kerr compressors. The rotary screw compressor is one of the most commonly used compressor units in numerous industrial applications. When the machine is water cooled, the cooling system is often divided in two circuits. All of boges screw compressors offer maximum reliability, highly efficient operation and extremely easy maintenance. Exceptional design and rotary screw expertise come together in sullair oilfree compressors for the maximum energy efficiency and operating consistency, sullair air compressors with vsd the sullair compressors with vsd provide.
An oilflooded rotary screw compressor includes a lubricant that fills the gap between the rotors, which creates an airtight hydraulic seal and transfers mechanical energy between the two rotors. Rotary screw air compressor oil answers to your top 8. Compressor world is an online rotary screw air compressors store. Rotary screw air compressor industrial grade rotary. Oil cooled rotary screw air compressors do not generate hot spots regardless of the load. Oil injected is cheaper and most common than oil free rotary screw compressors. Oil free oil free compression and rotary screw dependability sullair reliability the sullair reputation for designing and delivering quality products lives on through the ds oil free offering. The oil injected rotary screw compressor is a positive displacement type compressor. On watercooled oil free rotary screw air compressors, water is used to cool the oil, the compressed air and the compressor elements. Rseries contactcooled rotary screw air compressors by.
Kobelco knw series rotary screw compressors deliver 100% oil free air for your critical applications. A rotaryscrew compressor is a type of gas compressor, such as an air compressor, that uses a rotarytype positivedisplacement mechanism. Sullair offers a threeyear warranty on the oilfree compressor air end. On watercooled oilfree rotary screw air compressors, water is used to cool the oil, the compressed air and the compressor elements. There are two basic types of rotary screw compressors. Pressure lubricated air compressor these air compressors use pressure to make sure the oil gets everywhere it needs to go to fully lubricate the compressor. Oilfree rotary screw air compressors associated compressor. Sullair offers a threeyear warranty on the oil free compressor air end. Kobelco knw series compressors are the logical choice.
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. Twostage dryrunning kaeser rotary screw compressors not only impress with their meticulous design, but also with their many innovative details all of course with renowned kaeser quality. Oilfree compression rotary screw compressors kaeser. Easy guide to rotary screw air compressors 2020 edition. Ideal for industries where highquality oil free air is key, the zr offers the highest reliability and safety in. Ideal for industries where highquality oil free air is key, the zrzt offers the highest reliability and safety in. Recently, sullair has expanded its presence in oil free compressor applications with the introduction of the sullair ofs series of oil free rotary screw air. Rotary screw air compressor industrial grade rotary screw. Denair oilfree air compressor line is guaranteed 100% clean oil free air compressor with 50 types of oil free screw air compressor patent technologies. By developing a compressor that can run 24 hours a day, champion has eliminated the need for oversizing and backup units that add unnecessary expense.
Rotary screw compressors are of two types oil injected and oil free. However the difference is that with oilfree rotaries there is no oil in the compression chamber. We introduced our first oilfree compressor in 1912, and over the decades weve continued to develop rugged, reliable, industryleading compressor technologies. Due to the small air end compressor block space requirements are kept to a minimum. First compressor in japan oilfree 22kw reciprocating 1954 first dsp series oilfree 1982 rotary screw 1999 new generation oilfree rotary screw dsp series 2015 2000 next series introduction worlds first variable speed drive oilfree rotary throughout history hitachi has been a global leader of the compressed air evolution, driving. Rotary vane compressordefinition, working, application. Sep 01, 2017 rotary screw compressors can either be oilflooded or oilfree. Keep your rotary screw air compressors running for years with our synthetic air compressor oil, formulate to prolong the life of your air compressor.
More than air, a history of innovation 1906 ingersoll rand becomes publicly traded company on nyse 1912 ingersoll rand pioneers oil free centrifugal compressor technology 1952 the worlds first oil free rotary compressor is introduced 1933 technologically advanced oil free reciprocating compressor goes to market. Air cooled oilfree air compressors by kaeser compressors. The zrzt highend rotary screw compressor comes out of this strong tradition. 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. Rotary screw compressor oil injected or oil free rotary screw air compressors use two mated helical screws inside a chamber. Elgi oilfree rotary screw air compressors kobelco oilfree rotary screw air compressors iac is the regions leading provider of equipment, service, piping, and energy management systems for ohio, kentucky, indiana and florida. Kaesers aircooled oilfree rotary screw air compressors deliver exceptional compressed air supply reliability even in ambient temperatures as high as 115 f. Direct injection, oil injected, 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 oil free, oil less, dry compressors also. Ideal for industries where highquality oil free air is key, the zr offers the highest reliability and.