DY-RG70 & DY-RG90 full hydraulic grout pump is a single piston double-acting grouting pump with hydraulic drive, which is a universal high-pressure grouting pump and is used for grouting in soil, earth foundation stabilization, waterproofing, tunnel lining, underwater foundations , bridge decks , deep well casing, slope line grouting, etc, Features Single piston double-acting Oil hydraulic drive Compact structure with reliable working Ball valve Our website:http://www.shotcrete-gunite.com