Open type sand shower machine 1. size of upper sand shower plate 520*580mm 2. maximum sand spraying height 770mm 3. sand spraying amount: 6M ³/ H 4. the frequency converter adjusts the sand spraying amount; 5. roller speed: 98r/min; 6. equipment power: 1.5kw; 7. overall dimension of equipment: 1080x1760x2410mm;