Atlas Copco is renowned for designing and manufacturing the most durable oil-free tooth compressors.Atlas Copco ZT rotary tooth compressor comes out of this strong tradition. Atlas Copco ZT 15-45, ZT 18-55 VSD oil-free tooth compressor series includes ZT15VSD, ZT18VSD, ZT22VSD, ZT30VSD, ZT37VSD, ZT45VSD models, which are very suitable for industries that require high-quality oil-free air. It provides the highest reliability and safety while reducing energy consumption.
To provide you with top-quality, 100% oil-free air, our ZT series incorporate a range of advanced technologies. The unique rotary tooth element increases efficiency thanks to two-stage compression. As no venting of the pressure element is required, the energy consumption is considerably lower compared to single stage compression systems. With its symmetrical and dynamically balanced design, the double tooth element ensures an increased free air delivery and delivers consistent performance over time.
Contents
- 1 Introducing the Atlas Copco ZT Tooth Compressor Technology
- 2 Exploring the ZT 15-45 Fixed Speed Range
- 3 Key Advantages of the Atlas Copco Oil-free Tooth Compressor
- 4 Application Scenarios
- 5 Class 0: The Industry Standard
- 6 Proven Technology, Maximized Efficiency
- 7 The rotary tooth working principle
- 8 Exceptional Versatility
- 9 Vsd: Driving Down Energy Costs
- 10 Technical Specifications
- 11 Service and Support for Atlas Copco ZT Compressors
- 12 Conclusion: Reliable and Efficient Oil-Free Air Generation
Introducing the Atlas Copco ZT Tooth Compressor Technology
At the core of the specified ZT compressor range lies Atlas Copco’s proven oil-free tooth technology. This design utilizes two precision-engineered intermeshing rotor elements within the compression chamber. As these rotors turn, they draw in air, trap it in pockets between the rotor “teeth” and the housing, and progressively reduce the volume of these pockets. This action effectively compresses the air. Crucially, there is no oil injected into this compression chamber for lubrication or sealing. Instead, the system relies on extremely fine tolerances between the rotors and specialized rotor coatings developed by Atlas Copco. Therefore, this technology ensures that the compressed air generated is completely free from added oil contamination originating within the compressor element itself.
Exploring the ZT 15-45 Fixed Speed Range
The Atlas Copco ZT 15-45 models represent the fixed-speed segment within this oil-free air compressor family. These units are engineered for durability and consistent performance. They are particularly well-suited for applications where the demand for compressed air remains relatively stable over time. These compressors typically feature robust drive trains, efficient air or water cooling systems, and integrated control systems. Furthermore, their design focuses on providing a reliable source of high-quality oil-free air with straightforward operation and maintenance, making them a dependable workhorse for many industries needing Class 0 air.
Key Advantages of the Atlas Copco Oil-free Tooth Compressor
100% oil-free air by oil-free rotary tooth compressor
Your activities in pharmaceutical production, food processing, critical electronics or in a similarly exacting industry demand the best air quality for a guaranteed end product and production process. Designed with your specific applications in mind, our rotary tooth compressors eliminate the risks of oil contamination and the accompanying product spoilage, brand damage and delays that represent extra costs. Preventing oil from entering the compression process is a necessity for the generation of consistent 100% oil-free air. Certified ISO 8573-1 CLASS 0 by the renownedTÜV institute, the ZT ensure the safety of your application and at the same time allow you to enjoy lower operating and maintenance costs.
Reduced energy costs
As energy accounts for more than 70% of a compressor’s lifecycle costs (LCC), its importance is obvious. The most cost-effective compressed air solution optimizes the pressure, volume and air treatment equipment for each production process. Our ZT compressors provide you with the ultimate all-in-one package to decrease your electricity bill by an average of 35%. To help you save energy, regardless of whether you require a low or high-capacity compressor, our VSD range has been expanded with the ZT 18 VSD and the ZT 55 VSD.
Proven peace of mind
For sixty years, Atlas Copco has been leading the industry in oil-free compressed air technology, drawing on vast experience and continuous technological innovations.You can rest assured at all times: severe certification and testing procedures are conducted to ensure air is supplied to the highest standards of quality control. Backed by extensive know-how in the field of developing the most reliable quality air solutions, we are the only manufacturer that offers such a vast range of different technologies to match your exact needs. This ensures that you can always find the perfect solution for your specific application.
Application Scenarios
Pharmaceuticals
● 100% oil-free air is vital to prevent contamination of processes (e.g. fermentation, aeration, tablet coating, packing and bottling, automated production lines).
● CLASS 0 eliminates risks and maintains high product quality and professional brand reputation.
Food & beverage
● 100% pure, clean,oil-free air for all kinds of applications (e.g. fermentation, packaging, aeration, transportation, filling & capping, cleaning, instrument air).
● ISO 8573-1 CLASS 0 (2010) certification to avoid compromising the purity of your end product and ensure zero risk of contamination.
Electronics
● Clean, dry, high-quality air is essential, produced with optimal energy efficiency.
● Applications include the removal of microscopic debris from the surfaces of computer chips and computer boards.
Health care
● Ideal for hospitals, dental practices, veterinary labs or clinical work environments where maximum reliability is the main priority.
● Ultra-clean air to successfully perform clinical work and make sure your equipment functions effectively.
Class 0: The Industry Standard
Oil-free air is used in all kinds of industries where air quality is paramount for the end product and production process. These applications include food and beverage processing, pharmaceutical manufacturing, chemical and petrochemical processing, fermentation, wastewater treatment, pneumatic conveying, non-woven textile manufacturing and many more.
First in oil-free air technology
Over the past sixty years we have pioneered the development of oil-free air technology, resulting in a range of air compressors and blowers that provide 100% pure, clean air.Through continuous research and development, Atlas Copco achieved a new milestone, setting the standard for air purity as the first manufacturer to be awarded CLASS 0 certification.
Eliminating any risk
As the industry leader committed to meeting the needs of the most demanding customers, we requested the renownedTÜV institute to type-test its range of oil-free compressors and blowers. Using the most rigorous testing methodologies available, all possible oil forms were measured across a range of temperatures and pressures. TheTÜV found no traces of oil at all in the output air stream.
| CLASS | Concentration total oil (aerosol, liquid, vapor) mg/m3 |
|
0 |
As specified by the equipment user or supplier and more stringent than class 1 |
| 1 | < 0.01 |
| 2 | < 0.1 |
| 3 | < 1 |
| 4 | < 5 |
Current ISO 8573-1 (2010) classes (the five main classes and the associated maximum concentration in total oil content).
Proven Technology, Maximized Efficiency
To provide you with top-quality, 100% oil-free air, our ZT series incorporate a range of advanced technologies. The unique rotary tooth element increases efficiency thanks to two-stage compression. As no venting of the pressure element is required, the energy consumption is considerably lower compared to single stage compression systems. With its symmetrical and dynamically balanced design, the double tooth element ensures an increased free air delivery and delivers consistent performance over time.
Rotors
Stainless steel symmetrical rotors ensure perfect dynamic balancing and minimum bearing load to guarantee a long life span.
Axial in- and outlet port
The straight rotor design and the opposing axial in- and outlet port avoid axial load on element components, increasing element lifetime.
Air-cooled design
Cast teeth allow for efficient heat dissipation, eliminating the need for a complex cooling water system and ensuring greater reliability.
Seals
Two independent floating oil and air seals, separated by a neutral buffer area, safeguard the compression chamber from oil penetration.
The rotary tooth working principle
| Atmospheric air is drawn | Air is trapped between | Compression takes place. | The female rotor exposes |
| through the inlet port into the | the teeth of the male and | The male and female rotor | the outlet port and the |
| compressor chamber as a | female rotors. | turn towards each other, | compressed air is delivered |
| result of the rotational action of the tooth rotors. | decreasing the free space, resulting in an increase in pressure. |
to the system. |
● Intake ● Transport ● Compression ● Delivery
Exceptional Versatility
Contrary to traditional compressor installations, our ZT WorkPlace Air System™ compressors effortlessly fit onto your work floor. With their compact footprint and integration of air treatment equipment, ZT compressors ensure optimum efficiency and reliability. Thanks to the vertical layout of the cooler, the noise levels from the fan, motor and element have been drastically reduced. Designed to give the most versatile source of compressed air, they provide you with an all-in-one package that will have your production running smoothly for years to come.
Traditional compressor set-up
1.High pressure drop across the system.
2.External filtration equipment/dryer.
3.Elaborate and costly piping system.
4.Multiple connections and air leaks.
5.Multiple monitoring points.
WorkPlace Air System™
1.Limited internal system pressure drop.
2.Integrated air and condensate treatment equipment.
3.Reduced piping costs.
4.Single point connections.
5.Single point monitoring.
Vsd: Driving Down Energy Costs
Over 80% of a compressor’s lifecycle cost is taken up by the energy it consumes. Moreover, the generation of compressed air can account for more than 40% of a plant’s total electricity bill.To cut your energy costs, Atlas Copco pioneered Variable Speed Drive (VSD) technology in the compressed air industry. VSD leads to major energy savings, while protecting the environment for future generations.Thanks to continual investments in this technology, we offer the widest range of integrated VSD compressors on the market.
Total compressor lifecycle cost
Energy Investment
Energy savings of up to 35%
Our VSD technology closely follows the air demand by automatically adjusting the motor speed. This results in large energy savings of up to 35%. The Life Cycle Cost of a compressor can be cut by an average of 22%. In addition, lowered system pressure with VSD minimizes energy use across your production dramatically.
Technical Specifications
Atlas Copco Oil-free Tooth Compressor series：ZT 15-22, ZT 30-45, ZT 18-22 VSD, ZT 30-55 VSD
|
Type |
Free airdelivery(1) | Installedmotor | NoiseleveldB(a)(2) | Weightwithoutdryer(3) | Integrated dryeravailable | ||||||
| l/s | m3/min | cfm | kW | hp | Pack | kg | lbs | ||||
| Air-cooled | |||||||||||
| ZT 15 – 7.5 | 38.1 | 2.3 | 80.7 | 15 | 20 | 70 | 1025 | 2260 | ID / IMD | ||
| ZT 15 – 8.6 | 35.5 | 2.1 | 75.2 | ||||||||
| ZT 15 – 10 | 30.4 | 1.8 | 64.4 | ||||||||
| ZT 18 – 7.5 | 48.6 | 2.9 | 103.0 |
18 |
24 |
72 |
1050 |
2315 |
ID / IMD | ||
| ZT 18 – 8.6 | 46.4 | 2.8 | 98.3 | ||||||||
| ZT 18 – 10 | 36.7 | 2.2 | 77.8 | ||||||||
| ZT 22 – 7.5 | 59.6 | 3.6 | 126.3 |
22 |
30 |
74 |
1065 |
2348 |
ID / IMD | ||
| ZT 22 – 8.6 | 54.0 | 3.2 | 114.4 | ||||||||
| ZT 22 – 10 | 45.6 | 2.7 | 96.6 | ||||||||
| ZT 30 – 7.5 | 78.8 | 4.7 | 167.0 | 30 | 40 | 71 | 1280 | 2822 | ID / IMD | ||
| ZT 30 – 8.6 | 73.9 | 4.4 | 156.6 | ||||||||
| ZT 37 – 7.5 | 96.6 | 5.8 | 204.7 | 37 | 50 | 73 | 1355 | 2897 | ID / IMD | ||
| ZT 37 – 8.6 | 92.3 | 5.5 | 196.6 | ||||||||
| ZT 45 – 7.5 | 114.3 | 6.9 | 242.2 | 45 | 60 | 75 | 1385 | 3053 | ID / IMD | ||
| ZT 45 – 8.6 | 108.9 | 6.5 | 230.7 | ||||||||
Service and Support for Atlas Copco ZT Compressors
Conclusion: Reliable and Efficient Oil-Free Air Generation
In conclusion, the Atlas Copco ZT 15-45 fixed speed and ZT 18-55 VSD oil-free tooth compressors offer a powerful combination of certified air purity, operational reliability, and energy efficiency. Leveraging proven tooth compression technology and advanced control systems (especially VSD), these machines provide a dependable source of high-quality compressed air for industries where oil contamination cannot be tolerated. Furthermore, their robust design ensures long service life when properly maintained. Therefore, the ZT series represents a smart investment for businesses prioritizing clean air, efficiency, and operational peace of mind.
Need Certified Oil-Free Air? Explore the Atlas Copco ZT Range!
Discover the reliability and efficiency of Atlas Copco ZT 15-45 and ZT 18-55 VSD oil-free tooth compressors. Ensure Class 0 air purity and optimize your energy consumption for demanding applications.
Contact your Atlas Copco supplier ——Seadweer today to discuss your specific requirements and find the ideal ZT compressor solution for your critical processes. Invest in clean, efficient compressed air technology!
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