Abrasive blasting Hopper/Tank. Then air line from the compressor is connected to the blaster. Whencompressedairflowsthroughthesystem,itwillpressurizePortableblastertankandallow mediatofallthroughthepinchvalveassemblyPortableAbrasiveBlaster is mostlyusedsand/shotblasting machinein industrybecauseof its easytohandletechniqueandeasyportability.Thisblasterisequippedwithwheels,sothatitcan betakenfromplacetoanotherwithoutanyhustle. Abrasive/Mediatobeusedisfirstfilledintothe.Whenthismediacombineswith alargevolume of high pressure air inside the mixing tube which is provided at the bottom of the Pinch valve assembly,itwilltravelsthelengthoftheblasthoseandcomesoutofthenozzleathighpressure. Thishigh pressure streamof abrasive material strikesagainst the surface of thecomponent to smooth a rough surface, roughen a smooth surface, shape a surface, or remove surface contaminants.