Valve type bags are filled with a tube inserted in a small opening (valve) on the top corner of the bag. After filling, this valve then is closed, sealing the bag. One advantage of using a valve type bags is that they do not require a bag sewing machine or bag sealer to close the bag. There are three styles... Read more

While equipment that fills bags with product can be very accurate (i.e. +/- 0.5%), they are not weight certifiable for products for sale. This is because: (1) the product is moving while it is being weighed and (2) the bag filling equipment has moving parts that can wear or be adjusted. The bag filler is not a fixed, stable platform... Read more

To fill a bag, bagging scales need a spout that fits inside the bag. The spout is determined by the application, the size of the bag and the material  of the bag.  Types: There are 2 basic types of spouts for open mouth bags: non-clamp and clamp. Non-Clamping Spouts The non-clamp spout is a simple tapered funnel where the bag... Read more