3D wall mortar spraying machine Product Introduction mortar spraying machine is widely used to spraying concrete mixer on the wall, tunnel, channel, etc. Sparying concrete mixer(sand, water, concrete, other things thediameter no more than 6mm) Main Parameter transferflow: 3m3 /h Max. Aggregate. Size: 4 mm Max.Pressure: 3 MPa transmission distance horizontal 30m; perpendicular 50m volume of the hopper 5L Air compressor 0.3m3 /h Weight 320kgs