Welcome to Con-Weigh System since 2000

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CWS Roto Packers are the outcome of years of combined experience in design, engineering and manufacturing of Packing Plants equipments. Roto Packers are available having 4 to 16 spouts for capacity ranging from 1200 bags to 4800 bags/hr. Every Spout is equipped with individual filling system consisting of impeller box assembly, bag chair assembly, filling spout assembly, load cell assembly and electronic unit.


The electric unit is a sturdy, user friendly, proven design unit and very reliable enabling to achieve good accuracy for this king of machines. In fact our electronic units have been installed at existing Roto Packers supplied by other companies, clearly proving the superiority with regards to functions and accuracy. Data for set weights, achieved weight, bags within tolerance etc. can be send via Rs.232 interface to PLC as well as printer for MIS reports.


CWS Stationary Packers are available from Single Spout upto 4 spouts inline, delivering capacity of 300 to 1200 bags/hr. of 50 kg. Bag discharge can be manual or automatic depending upon the requirement.


These machines are most suitable for small plants having capacity upto 3,00,000 tons per annum. Fast filling is achieved by hi-speed impeller box and good accuracy is obtained by using a three position cylinder, which enables filling in the bags to be done in steps. Initially the bag filling is done in main feed (faster filling) upto approx. 90-92% of desired weight, in around 6 sec and balance 8% of material is filled in minor feed in 2 secs, ensuring good accuracy and consistency.