Semi-automatic Sand Blasting Line for Inner Tank of Water Heater 1 Used bottle body size and type Diameter :withinΦ350mmLength :witnin1800mm Mouth diameter :above Φ43mm 2 Power-supply: 380V/50HZ 3 Power:52Kw 4 Compressed air supply pressure:0.4-0.7Mpa; Flow:16m3/min 5 Productivity: 500pieces/24h (Single bottle bile cylinder about Φ350mm diameter ,800mm length ) 6 Derusting grade:Sa2.5 GB8923-88 7 Dust emissions in line with the national environmental standards (<120mg/m3) 8 The noise in line with the national standards GB12348-90