Suction sandblast gun be used suctions sandblast cabinet with nozzle Suction sandblast gunTB-series blasting gun have Sup-pressure type and pressure-type. blasting gun materials, processing ... welding, casting, such as polyurethane.The inlet diameter of blasting gun generally is 10mm and 13mm The outside diameter of inlet ... general is 21mm, 26mm , 31mm, 35mm, 48mm, 52mm ect. Suction sandblast gun