Vertical, heavy duty, duplex piston power reciprocating pump provided with the following features:
- disk valves for differential pressures up to 21 bar
- wing valves for differential pressures above 21 bar
- horizontal electric motor supported on a baseframe solid with pump structure
- pistons driven by means of worm screw and gear or coaxial speed reducers
- fluid end cylinder liners of removable, bolted type
- piston sealing is ensured by special rings made of synthetic material
- forced oil circulation through a gear pump

NAVALE 2015