Pall PUREair System for Hafei H425 (Z9) Helicopter product photo Primary L

Pall PUREair System for Hafei H425 (Z9) Helicopter

The H425 helicopter, part of the Z9 series, is the Eurocopter Dauphin helicopter built under licence. It can be used in a variety of roles such as; Emergency Medical Service, Search and Rescue, Law Enforcement, Fire-Fighting, Border/Coast Patrol and Offshore Transport. These demanding missions can mean anxious and dangerous minutes spent hovering close to the sea or ground, and frequent landings on unprepared landing zones.

In addition, these helicopters must be available 24/7 for rapid deployment to any location.

The “fit and forget” PUREair system is an ideal solution for such challenging operations. It shields the engine inlet from airborne contamination, resulting in: H425 Helicopter
  • Safer operation by protecting against FOD, ice, snow, and sand
  • Increased operational availability
  • Protection against engine erosion
  • Reduced maintenance and operational costs

Part Numbers

 
Part Number Description
 QB0935 Port 
 QB0936 Starboard
 

Scavenge system:

  • Ejector

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

Enabling a Greener FutureThe 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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Description

The H425 helicopter, part of the Z9 series, is the Eurocopter Dauphin helicopter built under licence. It can be used in a variety of roles such as; Emergency Medical Service, Search and Rescue, Law Enforcement, Fire-Fighting, Border/Coast Patrol and Offshore Transport. These demanding missions can mean anxious and dangerous minutes spent hovering close to the sea or ground, and frequent landings on unprepared landing zones.

In addition, these helicopters must be available 24/7 for rapid deployment to any location.

The “fit and forget” PUREair system is an ideal solution for such challenging operations. It shields the engine inlet from airborne contamination, resulting in: H425 Helicopter
  • Safer operation by protecting against FOD, ice, snow, and sand
  • Increased operational availability
  • Protection against engine erosion
  • Reduced maintenance and operational costs

Part Numbers

 
Part Number Description
 QB0935 Port 
 QB0936 Starboard
 

Scavenge system:

  • Ejector

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

Enabling a Greener FutureThe 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 H425 helicopter is fitted with Pall's PUREair system, a “fit and forget” solution that provides enhanced protection against engine erosion.

H425 Helicopter
 
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

Air Filters

Use

Engine Air Filtration

Additional Information

A certified upgrade is now available which provides a dramatic increase in dust separation efficiency compared to the original PUREair unit designed many years ago

The H425 PUREair system is based on the original design for the Eurocopter Dauphin but it uses the latest advances in design techniques and material technologies to provide a significant performance improvement.

 
Date Part Number Description
1981 QB0261/262 First design developed for AS365 Dauphin helicopter
1991 QB0486/487 Improved design for AS365 Dauphin to reduce bleed air down to 12g/s
2009 QB0935/936* New design concept for H425 helicopter.
  • Higher sand/dust separation efficiency.
  • Optimised ejector design means reduced power loss
  • Revised inlet duct and filter profile to improve overall performances.
 

*The QB0935/6 PUREair system is not yet certified on the Eurocopter Dauphin family, but it is Pall’s ambition to achieve this.

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