Screw pump

Offloading and Pump Back Systems

Product return system with
– Low pressure drop
– Reduced mixed volume
– ‘Clean’ draining valve
Degassing outlet
Connected to the product line to avoid any return line to the storage tank
Sliding van technology
Ensures a constant flow rate of 60 m3/h during the whole unloading process regardless of the tank storage design

Screw pump

Highest flow rate achievable by a rotary PD pump
High tolerance for entrained air & other gases
Low internal velocities, minimal shear
Relatively low NPSH requirement
Relatively low-pulsation flow
Non-contacting screws (if using timing gear)

Typical products handled:

Hydrocarbons (fuel, gasoil, heavy oils etc.)
Greases & lube oils, waste oils
Crude oils (depending on particle content)


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