... sealing machine, for inflatable products sealing, tarpaulin, tent, fabric products ... ceiling, banners outdoor Ad.,air balloon, water ring, inflatable products welding.2. Parameter:ModelWS-4000SWS-5000SWS-8000SPower Output4000W5000W8000WVoltage50 ... Pressure WayAir Pressure Gap of Electrodes250mm250mm250mmUpper board size200*600200*600200*600Lower board size400*800400*800400*800Machine size660*1350 ...