The device has an automatic adjustment function, with multi-level speed control function, depending on the tunnel fire retardant coating and different construction requirements can be adjusted, is home to a unique construction requirements can be adjusted tunnel fire paint sprayer, with instructions mixer Powerful pump, for on-site mixing mortar spraying plaster. Technical parameters: Model: S6 Voltage: 380V Power: 7.5kw transport flow: 50L / min delivery pressure: 30bar transport distance: maximum horizontal distance of 60m / 30m maximum vertical distance can be accessed by spraying pipe: 100m through the maximum particle: 6mm Hopper capacity: 150L feeding mode: Mixers spices total weight: 300kg to construction materials: thermal insulation, dry mortar, cracking mortar, interface agent, putty, construction glue, adhesives, fireproof materials, epoxy coatings.