Self-priming pump
The compressed air driven double diaphragm pumps from Dellmeco are dry self-priming. With a full suction line, a suction height of up to 8.0 m WS can be achieved. The suction height varies depending on the diaphragm material and the pumping medium.
pumpe-selbstansaugend

Submerged pump
The compressed air driven double diaphragm pumps from Dellmeco can be operated submerged in pumping medium. The pump materials should be checked before submerging the pump. The exhaust from the air motor must be channelled into the atmosphere via a separate exhaust air pipe above the liquid level.
pumpe-getaucht

Pump with preliminary pressure
The compressed air driven double diaphragm pumps from Dellmeco can be operated with a suction side preliminary pressure of max. 0.6 bar. In order to prevent unwanted volume flow, a shut-off valve should be installed in the suction line.

All data determined with water (1 mPas) at +20 °C

pumpe-vordruck