New high precision volumetric dosing range from Intertronics

preeflow dispensers feature a unique patented design of rotating positive displacement pump. A rotor inside an elastomeric stator is driven by a motor. This pumps the liquid very accurately and virtually stress free. Speeding up the motor increases the dispense rate, and reversing the motor allows suck-back to prevent stringing or dripping. Dispensed quantities are defined by size of pump (there are three sizes of eco-Pen), speed of motor, and size of dispensing nozzle, which are attached to eco-Pens by standard luer-lock fittings.

The result is a dispensing or dosing process which is very accurate and completely process stable, not subject to temperature-based material changes, viscosity variations or the vagaries of time/pressure dispensing.

Eco-PENS may be hand-held, or fitted to automation. The controls are fully electronic, with a simple menu structure on a screen. The eco-PEN dispensing pumps can cope with any liquid, from free-flowing water-like fluids, to heavily filled conductive adhesives. Short fluid paths and simple disassembly makes cleaning and maintenance very simple.

preeflow eco-PEN units are available in three sizes with minimum dosing quantities of 0.001ml, 0.004ml and 0.015ml. Dispensing may be based on ml volume or gram weight for ease of use.