qf-600l pneumatic sealer is suitable for sealing various plastic film bags and al-plastic compound bag with max sealing length of 600mm and max carrying load of 50kg. it adopts compressed air as motive power with adjustable sealing pressure and reliable sealing quality, and its sealing operation can be controlled by manual or by foot stamping. for thicker bag, qf-600l/s double heating sealer is adopted. according to special order, its sealing length can be lengthened to 700mm、800mm、1000mm. this machine equipment in the fields of chemical industry, foodstuff, forage and so on.