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    Type 7800 - Digital Dosing Pump

    Produkt-Foto Typ 7800

    Specific products may differ slightly from the general images shown.

    • Produkt-Foto Typ 7800
    • Produkt-Foto Typ 7800

    Type Description

    The Type 7800 digital dosing pump is characterised by a drive principle that is completely new for dosing pumps. The drive is carried out by a microprocessor-controlled stepper motor, which is connected directly to the diaphragm by a crankshaft-and-connecting-rod drive. This means that, in contrast to conventional dosing pumps, the position and the speed of the diaphragm is controlled by the microprocessor electronics during the complete discharge/suction cycle. The microprocessor-controlled compression stroke results in a dosage that is considerably more even, particularly with small dosages. The 7800 dosing pump always works with the maximum stroke length, whereby a high accuracy for the dosing over the full setting range and a lower sensitivity with respect to gaseous media is achieved. Through an optimised clearance volume ratio with the full stroke length, the accuracy and function is ensured, even for diffi cult degassing liquids. Through the anticavitation function, the drive is optimally adapted to the dosing of high viscosity liquids. The 7800 dosing pump can be controlled manually, by standard signals (4…20 mA) and by external pulses (e.g., open-collector). Thanks to the wide setting range of 1:1000, it is possible to realise dosing tasks from 0.002 l/h to 48.0 l/h with only 5 pump sizes.

    • Continuous dosing through digitally controlled stepper motor drive
    • Controlled by: 0/4…20 mA, pulses, time and manually
    • Limitation of the max. dosage through software
    • Setting range for the dosage 1:1000
    • High accuracy over the complete setting range

    To help select the correct product please refer to the technical data, images and notes for proper use found in the data sheet.


    Language / Country
    DTS Dosierpumpe für KontiDos DS7800-Standard-DE-DE.pdf 364 kB DE / DE
    DTS Diaphragm pump for KontiDos DS7800-Standard-EU-EN.pdf 367.2 kB EN / EU
    MAN Dosing pump 60-940 l/h MA7800-60up940l_h-EU-EN.pdf 1.1 MB EN / EU
    MAN Dosing pump 12-48 l/h MA7800-DosingPump-EU-DE.pdf 1.8 MB DE / EU
    MAN Dosing pump 60-940 l/h MA7800-DosingPump-EU-DE.pdf 1 MB DE / EU
    MAN Dosing pump 12-48 l/h MA7800-DosingPump-EU-EN.pdf 1.6 MB EN / EU
    MAN Mounting instructions MA7800-MountInstr.-EU-ML.pdf 464.3 kB EN,FR,DE / EU