TIA Technology [I] Pvt. Ltd. Offers Direct Bag Filling System. TIA Technology [I] Pvt. Ltd. Supplies Customised Weighing and Automation Solutions to the Industry. Direct Bag Filling System has the operator inserting the bag to the bag-clamping chute and presses the foot switch. The controller will check if the bag is clamped [sensor provided] and automatically tares the gross weight to obtain a Net weight. The material is then fed into the bag; a two-position sector gate controls the rate at which it is fed. The controller compares the actual weight with the target weight settings, when the Main/Coarse feed setting is reached the main feeder of the sector gate is latched, feeding continues in the Fine/Dribble feed mode.