The supply hopper, located above the bagging scale, is about 14’ above the floor. A supply conveyor, sometimes called a feed conveyor, is used to get the processed product up and into the bagger's supply hopper. Feed conveyors can be used to move products from a variety of upstream process equipment (i.e. mixers, blenders, dryers) or bulk bags (FIBC). Most... Read more
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Types of Valve Bags
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
Open Mouth vs Valve Type Bags
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
Is My Bagging Scale Weight Certified?
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
What Size Supply Hopper Do I Need?
The supply hopper sits on top of your bagging scale. The size of the supply hopper determines how many bags you can fill before you have to replenish it. Incline feed conveyors are often used to fill your supply hopper from a blender, dryer, super sack, or silo. Depending on your product, feed conveyors may be cleated belt, auger, vacuum,... Read more
How to Choose the Right Spout for Bagging Scales
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
Types of Bagging Scale Clamps
Both gross weigh and net weigh bagging scales that fill open mouth bags have a spout where the product is discharged into a bag. To hold the bag on the spout while it is being filled, bagging scales offer different types of bag clamping assemblies. There are two typical types of bag clamping assemblies: clam shell and center grip. CLAM... Read more
Bulk Bag Bag Fillers and Unloaders
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, jumbo bags, 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)... Read more
Types of Paper Bag Sewers
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. Videos on bag sewers. Portable, or handheld, sewers are usually used in entry-level bagging operations (<5 bags/minute), when there are just a few bags to sew at... Read more
Types of Poly Bag Heat Sealers
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 that seal... Read more