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 bag is that they do not require a bag sewing machine or bag sealer to close the bag. There are three styles... Read more

There are two types of bags: open mouth and valve type. Open mouth bags are open across the top and require some method to close the top. Valve-type bags have a corner opening that is used for filling. Open Mouth Bags:  Depending on the bag’s material, open mouth bags are either sewen closed or heat sealed. Open mouth bags made... Read more

In order for filling to be completed, bagging scales require a special spout to be integrated inside of each bag. The bag spout is determined by the application as well as the size and material of each bag. Types of Bag Spouts There are 2 basic types of spouts for open mouth bags: non-clamp and clamp. Non-Clamping Bag Spouts The... Read more