Heavy Duty Continuous Vertical Band Sealer Machine The heavy-duty continuous vertical band sealer is an ideal solution for sealing bags of any size. This machine has a unique design that allows it to be used for both single- and continuous-packaging applications. The Heavy Duty Vertical Band Sealer is designed with a powerful motor and adjustable speed controls, which make it easy to adjust the sealing speed to handle different bag sizes. The machine is also equipped with an auto-stop feature, which stops the sealing process once the bag has been adequately sealed. The Heavy Duty Continuous Vertical Band Sealer is the perfect solution for any industrial application, as it is capable of sealing both flat and gusseted bags with speeds up to 25 feet per minute.