Machine production capacity of 7m3 / h Concrete Mix 1: 4-5C / A using the material water-cement ratio 0.4 maximum transmission distance of 200m maximum aggregate size Φ20mm Conveying pipe diameter Φ50mm working pressure air consumption 7-8m3 0.6-0.8Mpa / min height 1.1m material on motor power 5.5KW voltage 380V Total Weight 850kg Dimensions (L × W × H) 1600 × 900 × 1370 (mm) Scope and features: as a tidal shotcrete equipment for in iron (public) road tunnel, high-rise building and water diversion culvert. Simple machine structure, easy operation and maintenance. Unique compression device that can automatically compensate when the seal plate wear. Inner rotor 10 by special rubber material cavity in the formation of self-cleaning action of the wind shake, to prevent the material bonding.