Annovi Reverberi water blaster pump 
Model RTJ70.275
38 kW (51 hp) electric motor requirement
1000 rpm 
70 lpm (18.5 gpm)
275 bar (4000 psi)
3-piston alternating volumetric pump for use on cleaning units and industrial systems
Can be coupled to various types of motors, directly or with flexible joint
Pump body and cover incast iron
Rear cover with oil drain outlet and sight glass
Pistons driven by crank-connecting rod mechanism
Pump shaft in pressed high-strength steel
Oversized friction bearings
Connecting rods in die-cast special low-friction zinc-aluminium alloy
Bronze connecting rods available
One-piece ceramic pistons
Pump head in nichel-plated brass
Double gasket sealing system
Intake and delivery valves have plugs for easier maintenance

Installation:
Read the plumbing installation guide carefully
Water blaster pump must be pressure fed at 2 to 3 bar (29 to 44 psi)
Feed flow must be twice the water blaster pump flow