DAP 4ss Dental Compressor

Pure Oil-free Sterile Air – bacteria free as standard*
Your surgery depends on the highest quality compressed air. Not just for your patients’ health but to safeguard your equipment. Our DAP range of compressors are designed specifically with the dentist in mind, providing the finest solution on the market.

All the compressors provide 100% guaranteed oil-free air and our unique built-in dryers give bacteria-free, sterile air. All risk of moisture and oil residue build -up are eliminated and you are ensured a perfectly hygienic and aseptic environment.


  • Extra heavy duty construction and simple design
  • Lower running speed – reduced noise levels and longer life
  • Solenoid unloading and S1 electric motor
  • Totally oil-free – providing clean air
  • Dew point -46oC at atmospheric pressure
  • Sterile Air – Bacteria free
  • Acoustically enclosed – lower noise levels
  • Internally coated 24 litre receiver
  • Special anti-vibration mounting
  • NHS HTM 2022/1 compliant
  • Air receivers internally coated – protection against corrosion and longer life

Quiet operation

You also need the lowest possible noise levels and the DAP Silenced and Super Silenced compressors provide just that. The latest acoustic technology is incorporated, both in the integral design of the components and in the smart packaging.

* High efficiency micro fibre membrane with a DOP efficiency rating of 99.99+%


TotalAirCareOur unique Total Air Care programme gives you, for a fixed cost, complete peace-of-mind. We take full responsibility for your compressed air system so that you never have to worry about losing quality air ever again, because we understand that no air means no patients and no revenue.

  • Annual system test and NHS Certification
  • Annual maintenance visit
  • Rapid-response call out by one of our dedicated engineers
  • Full parts and labour cover for 5 years
  • Full responsibility of your compressed air system
  • New DAP compliant compressor package

We Fit It – You Forget It


DAP 4ss technical spec

Chairs 3
Dimensions 795x680x430mm
Pressure 6 bar
Air capacity 5.4 cfm (152 lt/m)
Motor 2.0 HP (1.5 kW)
Volts 240 V
Receiver 30 Ltr
Noise level 55dB(A)