The BNB 800 and BNB 800 PA/PE bottom seam bag machines are characterised by their ease of use. Essential parameters such as the bag length, items per minute, seam offset and number of items can be adjusted using a touchscreen even when the machine is running. With the BNB 800, bag lengths of 200 to 1500 mm can be produced with a maximum throughput speed of 60 m/min. The maximum attainable number of items per minute depends on the material and is limited to 150 items/min. The BNB 850 PA/PE is specially designed for sealing film sleeves made of PA/PE, PE/PA/PE and other composite materials. The bag seam width is approx. 4 mm. Bag lengths of up to 1200 mm are possible. The number of items per minute is even more heavily dependent on the material in this case and may for example be around 2 x 200 µ at 80 items/min.

The BNB 800 series of automatic machines can process side fold film in addition to conventional flat film. Material thicknesses of 2 x 10 µ to 200 µ (standard) and 2 x 40 µ to 200 µ (PA/PE) can be sealed. Transverse cutting of the widths of film is performed by a perforating blade in the BNB 800 and with a shearing blade in the BNB 800 PA/PE. The automatic machines are governed by a programmable controller. Two servomotors ensure synchronous drive of two forward feed rollers.

A temperature-controlled sealing device and water cooling guarantee constantly identical sealing conditions and therefore optimum and consistent sealing quality.

• Production of bottom seam bags in large numbers of items