Crandall Filling – Model U2-U6 Electronic Scale, Top Fill, Pail Filler

The Crandall Models U2-U6 are electronic scale, net weight fillers capable of running any non-foaming food, petroleum or chemical product that will flow, settle out in the container and does not contain hard solids.  For foaming products, see AF, F and EF series fillers.


  • Capable of filling any free standing glass, metal, plastic or box-in-bag container from 500 ml to 25 litres (pint to 6 US gallons);
  • The 100 lb. (50kg.) scales are proven heavy duty design, specially adapted for the filling operation. Accuracy of the filler is + or – 0.1 % of target weight when the machine is properly installed and operated;
  • Contact parts available in Brass and Steel (standard), 316 Stainless Steel, Sanitary Stainless Steel, Titanium, or PVC;
  • Speeds for gravity filling of water for 20 litre (5 gallon) pails:
    • U2 – 360 pails per hour
    • U3 – 540 pails per hour
    • U4 – 720 pails per hour
    • U5 – 900 pails per hour
    • U6 – 1080 Pails per hour
  • 110/120 volts, 50/60 hz., single phase, grounded, clean. Crandall suggests using a surge protector. The scale controller classification is NEMA 4 X, liquid tight;
  • 1.5 cu.ft./min. @ 80 p.s.i. or 12 s.c.f.m. @ 80 p.s.i. (40 ltr/min. @ 5.6

Model Description


The operator simply enters set-point 1 (dribble flow) weight and set-point 2 (target weight) shy of the target allowing product in motion to be weighed; then, the operator places the container on the fill platform under the fill nozzle and presses the start button. At this point, the scale automatically tares the weight of the container. The nozzle descends approximately 1/2″ into the opening of the container. When the container reaches the set-point 1 weight, the product flow decreases to increase accuracy. When the container reaches set-point 2 shut-off weight, the nozzle closes without drip, and rises. The operator pushes the container off the platform onto the power discharge conveyor and places another container for filling.


  • Frame work in 304 Stainless Steel;
  • Stainless steel conveyor and guard for corrosion resistance and easy cleaning;
  • Available coatings: two part epoxy or Steelit paint;
  • Fume covers;
  • Operator splash guard;
  • Printers are available for printing features including net, gross, and tare values as well as batch, time and accumulation statistics;
  • Casters.


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For more information about this machine or any other machinery, please Contact Us at 1-877-PMR-PACK (767-7225) and we would be pleased to assist.

Watch the U4/25PEX Pail Filler.