Mortar pump with single cylinder and single acting is widely used for its convenient maintenance, high working pressure and high efficiency, working reliability, compact structure etc. This piston mortar pump machine can be used not only for grouting cement mortar and sand mortar, combined with accessories such as compressor and spraying gun, it is also an ideal equipment applied in spraying. This cement mortar spraying machine is widely used for grouting in mine gallery, rail and road tunnel, hydropower construction, slope consolidation, underground engineering, subway and civil engineering etc.