... 5M3/H Wet-Mix Concrete Machine For Swimming Pool 1.Output:4-5m3/h. 2.Max concrete size:20mm 3.Motor ,diesel . Excellent 4-5M3/H Wet-Mix Concrete Machine ... in mining, tunnel, subway, hydropower engineering, underground excavation engineering, etc.2. Features:Our shotcrete machine has 3 types as following:Dry-mix shotcreting, Damp-mix ... aggregate size15mmDosing pump output17.5~88L/hOperating air pressure0 ...