Liquid end

Reciprocating Power
Pumps API 674 – Liquid end

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.

Pumps

Single packing

Single packing with one ring nut regulation

Double packing

Double packing with leakages recovery

Double packing & regulation

Double packing with double regulation and suitable fluid flushing

Triple packing

Triple packing with pressurized fluid seal and leakages recovery