N Series. Initial pressure up to 13 bar Final pressure up to 45 bar Air delivery m³/min

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1 N Series Initial up to 3 bar Final up to 5 bar delivery.7.5 m³/min

2 Why do we need a booster? The ability to offer compressed air at various s makes it one of the most versatile energy sources available. Special applications require specifically tailored solutions in order to achieve optimum efficiency. Boosters are ideal for applications such as PET container production for example, where compressed air is required at a higher than the standard works or control air at particular points in the manufacturing process. In these cases it is more economical to use the existing works air and boost it to the higher with a small local compressor, rather than to operate the whole compressed air system at the higher. Regulating the of a high network to suit low- applications (which account for most air usage) is simply a waste of money. KAESER offers a comprehensive range of high performance reciprocating compressors that are able to boost compressed air from a rotary screw compressor up to s as high as 5 bar(g). These machines are perfectly matched for use with KAESER KOMPRESSOREN s extensive range of rotary screw compressors and SIGMA PET AIR systems. Effective up to 5 bar Continuous research and development KAESER KOMPRESSOREN s strategy of continuous research and development ensures that every product provides exceptional performance and reliability. KAESER s wide range of boosters for example, features the very latest innovations in reciprocating compressor technology. These include newly designed compressor blocks with oil pumps and a high efficiency cooler, both of which are essential for optimised high system operation. In addition, design details such as pressurised oil lubrication and intensive cylinder cooling allow up to percent duty cycles. KAESER compressor block esigned and manufactured by KAESER, the high- compressor blocks are available as two or three cylinder models and operate at low to ensure years of reliable and efficient service. igh quality cylinder Every KAESER booster is equipped with super-precision cylinders, each finished by a special process to ensure minimal oil consumption and negligible wear for maximum durability. Low temperatures T = 6-7 Kelvin Three-cylinder models are equipped with a fan-assisted aftercooler to ensure lowest possible compressed air outlet temperatures. A watercooled version with aftercooler is available to achieve even lower elta T results. Compressed air system with booster up to 5 bar Schematic illustration Rotary screw compressor receiver Low network up to 3 bar Compressed air tools Booster Prefilter igh- air receiver igh microfilter igh- refrigeration dryer 5 bar compressed air network Select the best Premium efficiency Premium efficiency electrical s consume less for greater output. Their low operating temperature is an added advantage (up to 5 kw: IE, from 8.5 kw: IE3) It is not uncoon for a booster to achieve a maximum of bar, but this once standard figure can now only be conred as second best. KAESER booster systems are in a class of their own however, as they are the product of decades of experience in compressor system design and guarantee continuous delivery at 5 bar. Further information is also available in our SIGMA PET AIR brochure: P-

3 Versatile range N series: Setting the standard For lower demand The smaller models in this range are best suited to applications where low volumes of air are needed at s up to bar. These compressors are equipped with one- or two-cylinder compressor blocks and are driven by high efficiency s with up to kw capacity. The quality of these units is second to none as all compressor blocks are designed, manufactured and assembled by KAESER. Optimum lubrication Equipped with an oil pump and oil filters, the new continuous oil filtration system available for aftercooler models N 53 G to N G extends the oil change interval to operating hours. Investment costs Maintenance costs Energy costs Energy saved with a premium efficiency Premium efficiency IE/IE3 s consume less for greater output and provide outstanding efficiency. Anti-vibration mounts N 6 G to N 53 G, air-cooled N 53 G to N 5 G, air-cooled N 753 G to N G, air-cooled or water-cooled aftercooler available Medium to large demand When greater volumes of air are needed at s up to 5 bar then the mid-size and larger of the KAESER booster models are the natural choice. At the heart of every one of these houses is a precision machined two- or three-cylinder compressor block that delivers exceptional efficiency. Premium efficiency electric drive s up to 5 kw provide impressive performance (up to 8.5 kw: IE, from 8.5 kw: IE3). The manual (two-cylinder models) or automatic drive belt tensioning systems (three-cylinder models) ensure consistently efficient transmission for reliable and economic operation. According to application, air-cooled or water-cooled aftercooler versions are available (N 53 G N 5 only air-cooled, from N 753 G air- or water-cooled aftercooler). -cooled versions ((N 753 G - N G) are equipped with a separate fan-assisted aftercooler to keep the temperature differential between the and compressed air ( T) within close tolerances. To ensure optimum cooling performance with a T value of only approximately 5 K even at high ambient temperatures, models N 753 to N can be equipped with a water-cooled compressed air aftercooler. Maximum safety Oil, cylinder head temperatures and air discharge temperatures are continuously monitored on models N 53 G to N G. The safety shutdown sequence is initiated via alarm signals. Efficient air cooler ighly efficient and maintenance-free, the cooler on twocylinder compressors achieves very low compressed air discharge temperatures. Automatic belt tensioning On models N 753 G to N G constant spring on the swing-frame maintains the drive belt at the correct tension to ensure virtually maintenancefree transmission. Manual belt tensioning Quick and easy adjustment maintains optimum transmission on single- and two-cylinder boosters. NNitrogen For vibration-free and quiet operation the machine can be mounted either on rubber feet......or on anti-vibration mounts. Low maintenance = Savings The combination of the innovative forced lubrication system, precision machining and high quality components ensures minimal maintenance requirement. Nitrogen compression Upon request, modified versions of N-series systems are available for compression of nitrogen. Start Control The 'Start Control' provides reliable booster monitoring and control and also reduces the starting load.

4 Technical specifications Boosters -cooled Water-cooled, with oil pump N 6-G N 35-G 53-G N 53-G 53-G N 35-G 35-G N 5-G 5-G N 753C-G (mit (with Ölpumpe) oil pump) Theoretical Theor. isplacement rehzahl Compr- Anzahl No. of Nennleistung druck delivery menge Ansaug- Antriebs druck- pegel level ) ) /min rukluftanschluss ischarge enddruckseitig W B x T x G / G / 9 x 5 x G 3 / G / 39 x 7 x G 3 / G / 39 x 73 x G 3 / G 3 / 55 x 88 x G G 3 / 57 x 88 x , , , , G / G 68 x 5 x , , , 3 N 753-GW N -GW N -GW N -GW Theoretical Theor. isplacement rehzahl Compr- Anzahl No. of Nennleistung druck delivery menge Ansaug- Antriebs druck- pegel level ) ) /min , , , , , , , , , , , , , , , Width (W), epth () and eight () see adjacent table for details. rukluftanschluss ischarge enddruckseitig W B x T x 78 G / G 98 x x G G / 98 x x 3 83 (99) ) G G / 98 x x 3 8 () ) G G / 98 x x 3 *) Effective free air delivery, referenced to atmospheric conditions, C ambient temperature, 5 C intake temperature and max. m AMSL. ) level as per ISO 5 and basic standard ISO 96-, tolerance: ± 3 db(a). ) level as per ISO 5 and basic standard ISO 96-, tolerance: +/- 3dB(A). is the amount of energy transmitted as acoustic radiation. -cooled with oil pump and separate fan N 753-G N -G N -G N -G Theoretical Theor. isplacement rehzahl Compr- Anzahl No. of Nennleistung druck delivery menge Ansaug- Antriebs druck- pegel level ) ) /min , , , , , , , , , , , , , , , rukluftanschluss ischarge enddruckseitig W B x T x 79 G / G 79 x x G G / 79 x x () ) G G / 79 x x () ) G G / 79 x x 5 9 W N 6 G to N 53 G, air-cooled N 53 G to N 5 G, air-cooled W N 753 G(W) to N G(W), air- and water-cooled The SIGMA PET AIR system is a complete turnkey package. See brochure P- for further details.

5 Choose the required grade of treatment according to your field of application: treatment using a refrigeration dryer ( dew point + 3 C) Examples: Selection of treatment classes to ISO () Clean-room applications PET painting systems Control air Simple blowing air Solids Water Oil FF-P FG-P FF-P FG-P FE-P TP AR PC Booster AQUAMAT AQUAMAT AR FE / FF-P FG- PC TP Solid particles/dust Explanation Condensate treatment system -main charging system receiver ECO RAIN (condensate drain) Microfi lter (high ) Activated carbon fi lter (high ) igh depressurisation chamber igh refrigeration dryer Compressed air quality classes to ISO 8573-(): max. particle count per m³ of a particle size with d in µm *. d.5.5 d.. d 5.,, 6, 3 Not defi ned 9,, Not defi ned Not defi ned, 5 Not defi ned Not defi ned, Coarse-filter cleaning 6 -x Particle concentration C p in mg/m³ * 6 < C p < C p X C p > Solids Water Oil Compressed air supply from the low- network; required compressed air quality at booster as per ISO 8573-, 3 otherwise a centrifugal water separator or air receiver with FC prefi lter necessary (particle separation> μm, remaining oil< mg/m³) For condensate separation and pulsation attenuation Water Pressure dew point, in C 7 C C 3 C + 3 C C 6 + C Concentration of liquid water C W in g/m³ * 7 C W < C W < C W X C W > Oil Total oil concentration (fluid, aerosol + gaseous) [mg/m³] * X > 5. *) At reference conditions C, bar(a), % humidity KAESER KOMPRESSOREN AG P-8./3 Specifications are subject to change without notice