Condensate drains

Zero compressed air losses

Condensate drains remove condensate separated in centrifugal separators, air receivers, refrigerated dryers and filters from the compressed air system. They are therefore indispensable components for efficient compressed air treatment and disruption-free compressed air supply.


ECO-DRAIN electronic condensate drains from Kaeser are highly cost-effective and reliable. This is attributable to a control concept that works independently of condensate volume, dirt-resistant valve mechanics and a network-capable alarm contact (from model 31 and higher).

ECO-DRAIN condensate drains are available for compressor flow rates up to 3500 cfm. Kaeser also offers suitable product versions for special applications, such as aggressive condensate, working pressures up to 913 psig, as well as in vacuums or frost regions.

Your advantages

  • Zero compressed air loss:
    When the ECO-DRAIN's capacitive level sensor reports attainment of the maximum condensate level, its intelligent control electronics open and close the valve diaphragm at precisely the right times – discharging collected condensate with zero compressed air loss – which, of course, saves energy.
  • Reliable drainage – even in soiled conditions:
    The capacitive level sensor detects condensate fill level without failure-prone mechanical parts. The pilot lines to the valves always remain free of dirt. Furthermore, the use of an upstream diaphragm valve provides a remarkably large diameter. All of these features combine to deliver reliable drainage even in highly soiled conditions or with pure oil.
  • Straightforward maintenance – no specialist required:
    The service unit for models 30, 31 and 32 supplies all maintenance parts in a single assembly. It can be locked in position and docked to the control unit with a "click", preventing seal replacement errors. The service unit is 100% functionally tested before delivery, provides significantly longer use intervals and can be replaced without an electronics specialist.

Automatic Magnetic Drain AMD 1550

Kaeser Automatic Magnetic Drains (AMD) remove condensate and other contaminants from your air system. The large capacity of automatic magnetic drains makes them suitable for a broad range of applications. Highly dependable and requiring little maintenance, automatic magnetic drains maintain a "liquid seal" which prevents compressed air loss. Unlike traditional float drains, the operating mechanisms are isolated from condensate so no fouling or sticking occurs.

The AMD 1550 is ideally suited for use with coolers, refrigerated dryers, filters and liquid separators. A rugged, corrosion resistant housing and internal parts prevents fouling. No electricity is required for this automatic magnetic drain and you can choose top or bottom connections to simplify installation. Modular construction allows easy servicing.


Product details

ECO-DRAIN condensate drain – Design
  1. Condensate inlet
  2. Collection chamber
  3. Level sensor
  4. Solenoid valve
  5. Valve diaphragm
  6. Balance line
  7. Valve seat
  8. Discharge line
Integration into the compressed air station
ECO-DRAIN condensate drain: Integration into the compressed air station
  1. Compressed air network
  2. Condensate treatment

All collection points must be fitted with a reliable means of draining condensate. Best results are achieved with an electronically controlled condensate drain.

Technical specifications

The technical specifications can be found in these brochures: