Coltri Mark III Silent

Control is everything.

Designed with control systems that allow effective monitoring of operations: interstage pressure, oil level, cabin internal temperature and direction of rotation detector.
3 Stage high – pressure pumping unit.

The Maxifilter purification system enables reliable treatment of breathing air according to DIN EN 12021 when using original filter cartridges.

Silenced cab chassis designed and built to facilitate maintenance operations. The tilting motor-holder plate ensures constant V-belt tension.

Compressor management and maintenance are facilitated by important devices and tools: the oil level and drain shown outside, the control console equipped with inter-stage pressure gauges, the internal temperature indicator, the presence alarm and incorrect phase sequence, the oil lack alarm and the start stop and manual condensate drain commands.

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    Technical data



    Charging rate

    210 / 235 / 270 / 315 l/min


    103 x 73 x 91 cm
    40.5 x 28.7 x 35.8 in


    168 kg
    370 lb


    electric single or three phases

    Working pressure

    232 / 300 / 330 Bar

    Standard accesories

    2 Cylinder connections to choose from DIN 232, DIN 300 or INT / YOKE 232 bar
    2 whips 1.2m long
    Pressure maintenance valve
    Interstage control gauges
    Maxifilter filter system
    Cabin internal temperature with automatic switch-off
    Automatic direction of rotation control
    Pressure switch with automatic shutdown
    Oil level control with automatic shutdown
    Automatic condensate drain with conveyor system in the tank
    Frame color Blue RAL 5015

    Operating Voltage

    230 V, 50 Hz / 400 V, 50 Hz / 440 V, 60 Hz / 230 V, 60 Hz

    Breathing air compressors, strictly Made in Italy by Coltri