Low pressure oil-free screw compressors ZE & ZA (VSD) - ESP

Low pressure oil-free screw compressors ZE & ZA (VSD)

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Low pressure oil-free screw compressors ZE & ZA (VSD)

Energy-efficient low pressure screw compressor solutions up to 4 bar(g) / 58 psig  


Capacity FAD l/s

66 l/s - 2 086 l/s

Capacity FAD

239 m³/h - 7 510 m³/h

Working pressure

1 bar(e) - 4 bar(e)

Installed motor power

30 kW - 522 kW

Capacity FAD m³/min

0 m³/min - 0 m³/min



The advantages of our low pressure screw compressor technology

With a pressure up to 4 bar(g) / 58 psi and a flow up to 9,000 m3/h / 5300 cfm our low pressure rotary screw compressors are unique on the market, suited for a range of industrial applications such as pneumatic conveying applications, truck unloading, and fluidization.

Looking for a compressor that delivers air at lower pressure? Learn more about our air blower products

screw element compressor

Reducing your operational costs

As energy costs are a compressor’s biggest lifecycle cost, it’s crucial that you consider the energy efficiency aspect of a compressed air installation when searching for your next compressed air investment. We are always looking for new ways to increase the energy savings of your production process, whether that means raising the industry standards for all low pressure screw compressors, optimizing our solutions to fit each process, or offering you additional ways to recover energy.

High uptime - innovative core design
Our ZE/ZA positive displacement screw compressors are designed with the highest reliability in mind, helping you avoid unexpected downtime of your process. Reliability starts at the core of our units: with our components.  The cooling jacket cools both bearings and the element housing to keep the element at the lowest possible temperature, which increases the lifetime of your components. Furthermore, the Elektronikon ® Mk 5 precisely controls the oil temperature to ensure optimal oil lubrication of the components for the best performance. 

A complete package: avoid unexpected installation costs

The whole is greater than the sum of its parts: by offering you a fully equipped unit that is ready for operation upon arrival, you not only avoid any unexpected installation costs, it also ensures that all components are aligned to work together and offer you the best performance. For instance, the water-cooled aftercooler which cools the process air is a necessary component as hot air can compromise the quality of your product. That is why it is always integrated into the design of our units - even in 500 kW VSD units which are often available on the market without an integrated water-cooled aftercooler – excluding the need to buy and install one separately.  

Furthermore, by combining your low pressure screw compressor installation with dryers, air filters, or even one of our service offerings, we can help you design a Smart AIR Solution that ensures all parts of your compressed air installation are fully optimized to operate together.

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