Motor-driven metering pumps

The metering pumps Memdos E/DX are available in two sizes (0…4 to 0…160 l/h and 0…160 to 0…380 l/h) with three-phase or AC motor. The microprocessor-based Memdos DX is used if the pump is to be integrated in controls or automatic control systems. It allows the adaption to a large number of different control signals and system monitoring equipment. For the chemical supply, for example, two controls are available: tank level control with alarm signal and low level indication. The signals required for external activation of the pump can be simple voltage-free closing contacts from water meters or controllers or analog 0(4)…20 mA signals. For control by contacts the stroke frequency can be changed using pulse division or multiplication. For internal control, the Memdos DX can be adjusted continuously between 0 and max. 142 strokes/min, depending on the version.

If no control is required for constant metering, the motor is connected directly to the terminal box. In this case, Memdos E pumps are used. To change the metering capacity, either the stroke length can be adjusted mechanically or the speed of the three-phase motor can be controlled by means of a separate frequency converter. Pressures are admissible between 4 and 10 bar, depending on the size.

Jesco Dosiertechnik

Fax: ++49/5130/58020

Further information cpp-220