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SIP EXT90254 NARDI Extreme 4 Compressor, Tank Capacity - 90 Litre, Max. Air Pressure - 10 Bar
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Sealey CPO1S Compressor Oil ISO68/SAE20W - 1 Litre
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PCL AFR1 Air Treatment Filter/Regulator 0-150 psi/0-10 bar, 1/2 Ports
Total Price: £1,389.69 ADD ALL three TO CART
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Technical Specification
PRODUCT NUMBER EXT50204

Q 1. What is the EXT90254 NARDI Extreme 4 2.50hp compressor?

A. It is a 2.50hp, 90 litre direct-drive compressor with four cylinders delivering higher flow at 10bar.

Q 2. How much air displacement and free air does EXT90254 provide?

A. It offers 17.00CFM displacement and 11.90CFM free air, around 481 and 337 litres per minute respectively.

Q 3. What maximum pressure is this compressor rated for?

A. It can produce compressed air up to 145psi, equivalent to 10bar maximum working pressure.

Q 4. What motor powers this four-cylinder Extreme 4 compressor?

A. A 1.84kW (2.50hp) four-pole brushless induction motor at 1400rpm runs from a 230v, 13A supply.

Q 5. Why is the pump considered oil-free and durable?

A. Four cylinders with technopolymer piston rings and stainless valves provide oil-free compression and robust performance with low maintenance.

Q 6. How do concentric big end bearings help EXT90254?

A. They reduce vibration and mechanical load on the crankshaft, extending service life and improving smoothness under high airflow.

Q 7. What is the benefit of crankcase air intake diffusion?

A. It minimises internal contamination, preserving valve plates and maintaining stable air delivery over time.

Q 8. How portable is the 90L Extreme 4 2.50hp compressor?

A. Wheel-mounted design, handle and top-mounted tool tray allow convenient movement and accessory storage.

Q 9. For which applications is EXT90254 especially suitable?

A. It suits low and medium pressure, higher flow requirements, remote operations and fibre blowing where robust output is essential.

Q 10. How is working pressure controlled on this unit?

A. A pressure cut-off switch and adjustable regulator ensure precise pressure control and automatic stop at the chosen level.

Q 11. What noise level does EXT90254 operate at?

A. It runs at about 73dB(A), reasonable for a high-flow, four-cylinder compressor.

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