Sealant and Adhesive Dispensing Solutions
Posi-Ratio by Positive Displacement
The Graco PR70 positive displacement metering expertise in a compact, modular design to support a broad range of industries and applications. The Graco PR70 fixed and variable ratio systems accurately meter, mix and dispense medium-to-low viscosity materials for bonding, sealing, potting, gasketing, encapsulation and syringe filling.
Industry-proven accuracy, reliability and durability
Unmatched shot-to-shot accuracy: Ratio accuracy to +/-1%
2X increase in Mean Time Before Failure (MTBF)
Multiple seat styles and adjustable snuffback for high-pressure accuracy and clean, precise dispensing
Long pump life and no corrosion due to Chromex shafts, Severe Duty cylinders with stainless steel fittings
Flexibility: multiple configurations to support a variety of applications
Ratio range from 1:1 to 24:1 with variable drive
Shot size ranges from 2 to 70 cc’s
Multiple feed systems: polyethylene, stainless steel or off-board tanks with multiple tube sizes
Reliable servo motor control option
Easy to use and less downtime
Standard features include: electric controls, digital shot entry, gel timer, purge, and preventative maintenance counters.