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Rotary Screw Compressors

Rotary screw technology uses a displacement principle where the screw compression element main parts comprise male and female rotors that move towards each other while the volume between them and the housing decreases.

The pressure ratio of a screw is dependent on the length and profile of the screw and of the form of the discharge port. The screw element is not equipped with any valves and there are no mechanical forces to create any imbalance. It can therefore work at high shaft speed and combine a large flow rate with small exterior dimensions.

CompAir L02 - L05 & Gardner Denver ESM 2 - 5
These plug and play low noise, environmentally friendly, fixed speed compressors are available in stand alone, receiver-mounted and air station (complete with dryer) variations. Auto stop/start saves energy by only running the compressor when there is a demand. Optional controllers can be fitted to provide useful operational information in addition to service requirement. Reliable and robust for continuous running, these compressors are easy to maintain and perfect for numerous applications.


CompAir L07 - L22, RS & Gardner Denver ESM/VS 7 - 22
A wide range of models are available here, including regulated (variable) speed, receiver-mounted and Airstations which come complete with refrigerant dryers, making the range ideal for most applications. Integrated heat recovery is also available as an option. As with the L02 - L05 models, these compressors have a small footprint and are highly flexible with fully integrated and energy efficient aired design which in itself allows the compressors to operate at low rotational speeds – further adding to the energy saving capabilities. The controller is fitted as standard and ensures reliable operation and protection for the unit.


CompAir L23 - L29, RS & Gardner Denver ESM/VS 23 - 29
These 23kW to 29kW compressors continue with the theme of reliability and flexibility, offering total peace of mind and a long service life. The IE 3 electric motors offer reduced CO2 emissions, while the integrated and innovative design which includes oil separation and filter, plus a thermostatic bypass valve, delivers excellent reliability through a reduction in the number of components and external hoses.


CompAir L30 - L140, RS & Gardner Denver ESM/VS 30 - 132
Low dBA levels, small footprint and high efficiency continue with these 30kW to 132kW compressors – in addition to being easy to service and offering low maintainance. These are complimented by high efficiency models with larger airends in the 30, 37 and 45kW drive motor range. High resolution, multilingual touchscreen controllers again ensure protection for your investment at the same time delivering reliability and reduced running costs.


CompAir L160 - L290, RS & Gardner Denver ESM/VS 160 - 290
These 160 to 250kW drive motor compressors are the preferred choice for applications requiring large capacity output as they deliver 12% more air with the same motor size. These gear and direct drive units can further reduce running costs by around 35% when specified in RS or VS guise which utilise a premium efficiency inverter.


Tamrotor Tempest and CT series
Designed for many mobile OEM applications, these compact units are available as integrated or self-contained packages for the most demanding of environments. Both utilise the Enduro series rotary screw aired (2.2 - 500kW) which sets new standards in endurance and efficiency – over 300,000 units installed worldwide.
 
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