GMP50/40 Mortar Spraying Machine is a kind of piston and ball controlling pump, and the conveying line, piston and cylinder is specially designed and processed, so this machine is workable for high-pressure grouting/spraying mortar (the mixture of sand: cement: water). 

It is successfully used in sealing, strengthening, stabilizing of rock and soil, tunneling, building hydro-power project, etc, and also used for spraying mortar in construction and 3D Panel, etc. 

Single piston with single-acting.
Ball valve
Mechanical transmission
Integrate pump head and hopper
Prevent eduction and deposition together with the paddle agitating 

Rated Output	50L/min
Rated Pressure	4MPa(40bar/580PSI)
Cylinder Dia.	90mm
Piston Stroke	85mm
Stroke/Minute	95/min
Inlet diameter	75mm
Outlet diameter	50mm
Max. Aggregate size	5mm
Water cement ratio	1: 3
Power unit	5.5kw(electric), 10hp(diesel)
10hp(Diesel)Chassis	Skid or Tyre
Weight	450kg
Overall Dimensions	1715x1024x900(mm)