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Product information
The A4000 airless pump on a carrying frame is a powerful electric diaphragm pump for professional airless and injection applications. It belongs to a modular pump family and is positioned as a balanced solution for medium flow rates with a compact design.

Developed for reliable continuous use, the A4000 is ideal for industrial coatings, construction applications and injection work where constant delivery, pressure stability and easy handling are crucial.

System & operating principle

The A4000 operates as an electric diaphragm pump, enabling particularly gentle, low-pulsation delivery. It is designed for airless applications with a maximum nozzle size of 0.021 inches and achieves a delivery rate of 4.0 l/min.

The integrated 6-litre upper tank with filter and return flow ensures clean material flow and facilitates material changes. The sturdy carrying frame ensures mobility in workshop and construction site use.

Typical areas of application

• Industrial airless coatings
• Corrosion and building protection
• Injection work (e.g. crack sealing)
• Processing of medium to high-viscosity materials
• Use in workshops, halls and on construction sites

Variants & designs of the A4000

The A4000 airless pump is available in several practical versions. All variants are based on the same pump unit and differ in terms of equipment and application focus.

Product Model Upper tank Equipment / Set Key technical data
Airless Pumpe A4000 Basisausführung A4000 Basic version 6 litre upper container
incl. filter & return flow
Basic unit without hose and gun set Max. nozzle size: 0.021"
Flow rate: 4.0 l/min
Weight: 22 kg
A4000 SprayPack Airless SprayPack Airless 6 litre upper container Hose 3/16" – 7.5 m – 1/4" NPS
Gun 500 bar – 3 mm ball
Filter: yellow
Nozzle & holder: MT-U – 415
Max. nozzle size: 0.021"
Flow rate: 4.0 l/min
Weight: 25 kg
A4000 SprayPack Injection SprayPack Injection 6 litre upper container Hose 3/16" – 7.5 m – 1/4" NPS
Gun 250 bar – 5 mm ball
Injection set incl. pressure gauge
Max. nozzle size: 0.021"
Flow rate: 4.0 l/min
Weight: 25 kg
The right A4000 variant for your application
We would be happy to assist you in selecting the right model within the A pump family.
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More information
  • Product number: 2187503
  • Manufacturer: Maspra
  • Weight: 25 kg
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