Bag closing machines

You want to close bags reliably and quickly?

We are sure to offer you the right selection for your application. It doesn’t matter whether you want to close small bags with 0.5kg or 50kg bags. Depending on the level of automation and bag material, we can offer you the right machine with the right accessories. Our colleagues will be happy to advise you on this.

Portable hand bag sewing machines

We offer you various portable hand bag closing machines depending on the application. You can find an insight into the available classes here.

Manual bag closing

If you want to sew up large bags, but the quantities for automation are not economically feasible, we will be happy to offer you a stationary solution for your needs.

Automated bag closing

Customized to your production figures, we can gladly offer you the most efficient solution for automation. This requires the right sewing head in combination with the appropriate column and a bag feeder. Depending on the type of closure, we can of course offer you additional accessories.

Small Bag Closing Unit

Due to the need for automation in the 0.5 – 2.5 kg range, Union Special GmbH has developed a fully automatic small bag closing machine. This can fold and sew bags if required.

Bag Closing Unit

Union Special GmbH offers you complete lines for closing bags weighing from 2 kg to 50 kg depending on the volume. These are fully automated lines with all common sewn closure types.

20600HES Hauptansicht 3

The world’s fastest bag closing machine, which reliably maintains high speeds in continuous operation. Thanks to completely enclosed housing and internal oil pressure lubrication, consumption of wear parts is reduced compared to open or semi-enclosed models.

This machine class should be your first choice if you have to handle bags of at least 5 kg at conveyor belt speeds of 17 to 33m/min.

Generally, we also recommend this class for closing bags of bulk materials such as sugar, fertilizers, and materials that become challenging for mechanical operations due to buildup or corrosion.

This is economy variant of BC200 class, which of course can benefit from many advantages of the high-end sewing head.

Due to the closed oil system, the machine is best suited for closing bags with food. Since all parts of the drive system are inside the housing, the wear of these parts is very low, which guarantees high durability.

Very robust and simple bag closing machine. Depending on the features, it is also suitable for automation.

It can be used to close large bags. Thereby you can close bags by simple closure, or also by the top edge folded over.

A class that speaks for itself with a history of over 50 years. Based on customer requests and feedback, this machine was and is constantly being developed. This hand bag closing machine is an all-round talent and known for its durability. It is primarily used for bag closing, but has a wide range of applications thanks to its equipment variants.

The 4000A and 4500A are our entry-level models for users with small quantities. This machine is therefore well suited for closing simple bags where a double chain stitch is not necessary.

The small bag closing unit (KBVA), which leaves nothing to be desired. With it, you can close up to 500 bags per hour and have the choice of having the top edge folded over or not. The system is ideally suited for mills that handle 0.5 -2.5 kg bags.


The Union Special GmbH complete systems are produced according to customer requirements. Therefore, please do not hesitate to contact us.


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