IP55 explosion-proof vacuum cleaner meets the following standards:
GB3836.1-2010 explosive environment Part 1: General requirements for equipment GB3836.2-2010 explosive environment Part II: equipment protected by explosion-proof enclosure "d"  Double Barrel Bag dust collector MF9040 Motor Power: 4KW380V50HZ three-phase air volume: 4450 m3/h Wind Speed: 30-45m/Sec Dust Sucking Mouth Size: 100mm * 4 Fork Dust Bag 630 * 1000mm * 4 Dimensions: 1800X700 X 2350mm Packing Size: 1460*700 * 700mm Weight: 110kg Double Barrel Bag dust collector F9055/MF9075 Motor Power: 5.5K/inch three-phase air volume: 6000 m3/h wind speed: 30-45m/sec suction port size: 100mm * 6 fork dust bag: 630 * 1000mm * 4 Overall dimensions: 1800*700 * 2350mm Motor Power: 5.5K/inch three-phase air volume: 6000 m3/h wind speed: 30-45m/sec suction port size: 100mm * 6 fork dust bag: 630 * 1000mm * 4 Overall dimensions: 1800*700 * 2350mm Equipped with explosion-proof certificate, provided by National explosion-proof electric device product quality supervision and inspection center. IP55 explosion-proof electrical machinery Explosion-proof vacuum cleaner standard anti-static cloth bag 4 Explosion-Proof Vacuum Cleaner Single Heavy Weight, Set after 1-2 Days to Arrange Delivery, Carton Packaging. Origin: Fujian. Such as Transport Away, Recommendations plus Fee Nail Wooden Box Shipments. Transport When Volume Ratio than Carton Packaging Slightly Larger, transport Costs According to System Self-Matching (Individual Counties Place Need Advice Online Customer Service to Confirm Freight). Parts Packaging, need to be assembled by yourself, assembly steps are as follows 
Step 1: install casters place the bottom surface of the base plate in court, and install four universal casters on the corresponding hole position on the bottom plate (bottom surface) with screws with nuts. Step 2: install the fan Place the front side of the bottom plate in court, and install the fan on the corresponding hole position on the bottom plate (front side) with screws. At the same time, place sealing pad on the air outlet for the next installation. 
Step 3: install the air Guide bracket Rack mounting the air Guide to the air outlet of the fan. Pay attention to the left and right orientation. After installation, the two split ports of the Air guide bracket are exactly on the left and right sides above the fan. 
Step 4: install cloth bag bucket Install the two cloth bag buckets on the two split ports of the Air guide bracket respectively, and place sealing pad at the interface. And install the fixed upright tube and hanging rod plug according to the corresponding hole tube. Adhesive pad placed on the interface.