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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

Bulk bags are used to transport and store large quantities (1,000 to 4,000 pounds) of dry materials. Bulk bags sometimes called: super sacks, FIBCs, totes or big bags are perfect for dry, pelleted, flaked, granular, or powdered products. Typically made of a poly-woven fabric, bulk bags and may have a polypropylene coating &/or a liner (poly or foil) to prevent... Read more

One of the most often used and cheapest methods to closed paper bags is to sew them closed.  There are 2 types of paper bag sewers: portable and fixed head sewing systems. Portable, or handheld, sewers are usually used in: an entry level bagging operations (<5 bags/minute), when there just a few bags to sew at a time, or where... Read more

Poly (plastic) bag sealers use heat to “melt” the bag closed. Inpak Systems offers three types of commercial poly bag sealers: band sealers, jaw sealers and hot air sealers.   Band Sealers: Band sealers have two bands (belts), typically infused with PTFE to prevent sticking, that hold the top of the bag and carry it between heating elements which seal... Read more

The choice of a bagging scale feeder is dependent on your product’s flow characteristics. The types of scale feeders include: gravity, vibratory, belt, auger, impeller, and air packer. Gravity Feeders: Gravity baggers are available as gross or net weigh baggers and utilize gravity to fill bags with free flowing, high density materials like flakes, granules or pellets where the product... Read more