Pall PUREair System for NH Industries' NH90 Helicopter product photo Primary L

Pall PUREair System for NH Industries' NH90 Helicopter

Fit and Forget Engine Protection
The NH90 helicopter has two main roles: tactical troop transport, and anti-ship/anti-submarine warfare. It can be operated in any theatre of operation, at any time of day or night, and in all types of weather conditions.

The “fit and forget” PUREair system is an ideal solution for such challenging operations. The system shields engine inlets from airborne contamination, resulting in:

  • Safer operation by protecting against sand and dust, foreign object damage (FOD), ice, and snow
  • Increased operational availability
  • Protection against engine erosion
  • Increased time between overhaul

On the NH90, the unit consists of four panels (two vertical, two horizontal) fitted on either side of the helicopter, integrated into the engine cowls.

Part numbers:

  • QB0843
  • QB0844
  • QB0845
  • QB0846                                

Scavenge system:

  • Fan

Certification:

  • Eurocopter approved

Pall’s PUREair system is certified for operation in case of inadvertent entry into icing conditions, and therefore is allowed to operate without the need for a by-pass door and differential pressure monitoring systems.

Maintenance

The PUREair is a “fit and forget” system;  there are no inlet barrier filters to replace or clean.  As with all aircraft equipment, routine visual inspection is recommended. In case of damage, please refer to the Component Maintenance Manual, available through Pall Aerospace. 

For additional information about this product, please contact your local Pall representative.

The Pall PUREair solution is an environmentally friendly alternative to oil-wetted barrier filters. There is no filter replacement and no daily cleaning as with oil-based solutions, which are difficult and expensive to dispose of.


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Datasheets

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Description

Fit and Forget Engine Protection
The NH90 helicopter has two main roles: tactical troop transport, and anti-ship/anti-submarine warfare. It can be operated in any theatre of operation, at any time of day or night, and in all types of weather conditions.

The “fit and forget” PUREair system is an ideal solution for such challenging operations. The system shields engine inlets from airborne contamination, resulting in:

  • Safer operation by protecting against sand and dust, foreign object damage (FOD), ice, and snow
  • Increased operational availability
  • Protection against engine erosion
  • Increased time between overhaul

On the NH90, the unit consists of four panels (two vertical, two horizontal) fitted on either side of the helicopter, integrated into the engine cowls.

Part numbers:

  • QB0843
  • QB0844
  • QB0845
  • QB0846                                

Scavenge system:

  • Fan

Certification:

  • Eurocopter approved

Pall’s PUREair system is certified for operation in case of inadvertent entry into icing conditions, and therefore is allowed to operate without the need for a by-pass door and differential pressure monitoring systems.

Maintenance

The PUREair is a “fit and forget” system;  there are no inlet barrier filters to replace or clean.  As with all aircraft equipment, routine visual inspection is recommended. In case of damage, please refer to the Component Maintenance Manual, available through Pall Aerospace. 

For additional information about this product, please contact your local Pall representative.

The Pall PUREair solution is an environmentally friendly alternative to oil-wetted barrier filters. There is no filter replacement and no daily cleaning as with oil-based solutions, which are difficult and expensive to dispose of.

Applications

The NH90 helicopter is fitted with Pall's PUREair system, a “fit and forget” solution that provides enhanced protection against engine erosion.

 
Agusta Westland
  • AW109 Power
  • AW109S
  • AW119
  • AW139
Bell
  • 205 / UH-1
  • 206
Boeing
  • CH-47
Eurocopter
HAL
  • Dhruv Advanced Light
Mil
  • Mi 8
  • Mi 17
  • Mi 24, Mi 25, Mi 35
  • Mi 38
NHI
  • NH90
Sikorsky
  • Sea King, S-61 and SH-3
 

Type

Cleaners

Use

Filtration, Separation

Additional Information

1990 A back-to-back comparison test by the engine OEM clearly demonstrated the superiority of the PUREair system over the integrated particle separator (IPS).
2000 Pall Aerospace and the composite specialist SLCA were selected by Eurocopter to supply the PUREair cowl of the NH90 helicopter. A joint development initiative followed.
2001 / 2003 Development successfully completed. Outstanding dust separation efficiency achieved. No power penalty in hover.
2004 First flight of the NH90 equipped with Pall Aerospace/SLCA PUREair cowl.


  

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