Main solutions adopted in the liquid end design
- Plug type valves with spring to assure a perfect sealing and the best hydraulic efficiency.
- Cylinder and packing assembled in one kit to minimize maintenanceoperations.
- Sealing arrangements designed to satisfy different situations connected with the characteristics of the pumped fluid and the site antipollution requirements.
|Single packing with one
ring nut regulation
|Double packing with leakages recovery
|Double packing with double regulation
and suitable fluid flushing
|Triple packing with pressurized fluid
seal and leakages recovery
Special design STP Pump with double-acting plunger
liquid end to satisfy the need of very large capacity and low