volumetric dispensing valve / precision
eco-PEN450 preeflow by ViscoTec Pumpen- u. Dosiertechnik GmbH



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The innovative precision-volume-dispenser eco-PEN450, made by ViscoTec, offers a wide range of applications for low to medium-viscosity dispensing. Particularly suitable for dosing fat, colour, sealants, adhesives, oil, silicone, abrasive media and many other materials.

preeflow® eco-PEN is a rotating and perfectly pressure-tight displacement system. Self-sealing rotor/stator design. Conveyance action by medium displacement in the stator through controlled rotor rotation. Safe conveyance without any modification of the medium. With its suck back option, preeflow® ensures clean and controlled material or medium cut-off while preventing post-dripping effects.

- On-the-dot dosage with maximum volumetric precision
- dot-and-bead application with application speeds adaptable to track speeds
- joint sealing technology

Your advantages:
- Genuine volumetric dosing
- Suck back effect
- Viscosity-autonomous dosing
- Easy to clean
- Primary pressure-independent dosing
- Controllable dosing flow
- Pressure-tight without valve
- Range of dosing pressures 16 - 20 bar