Vacuum Sealers P/N: See Data Sheets A vacuum sealer removes moisture laden air from the interior of moisture barrier bags, and heat seals the bags closed. This is part of the dry packaging process that protects surface mount devices from moisture. 635 Vacuum Sealer State of the art. Features auto retracting vacuum/gas nozzles, smart pad electronic control center, and a bag-saving jaw configuration. 235 Vacuum Sealer Value priced vacuum sealing. Features auto retracting vacuum nozzle and operator controlled vacuum time. 1/8 inch seal bar. 35 Vacuum Sealer Time tested design. Features a fixed position nozzle, and timers for vacuum, sealing, and cooling.