Screw Pumps

Seim is Italian company manufacturing twin or double and triple screw pump to transfer fluid and multi-phase fluid. It includes external bearings (self-lubricated or with separate lubrication system), mechanical seals (with or without flushing plan), timing gears between the two screws (in a dedicated gearbox), external fabricated case, totally removable and replaceable liner.

This pump can be highly customized, selecting the preferred layout and materials, as well as the necessary mechanical seal model and performances depending on process fluid and service. Design is compliant to API676 latest edition and it is ATEX certified for zone 1.

Seim screw pumps series 2SP
  • 2SP is a heavy duty twin screw standard solution suitable for medium to high flow.
  • External bearings and timing gears guarantee the same performances of PCX 2SP series, with a simpler design whenever pump customization is not necessary.
Seim screw pumps series PCX 2SP LS
  • PCX 2SP is same as PCS 2SP in short version.
  • This pump is suitable for oprating pressure up to 16 barg and 50% of PCX 2SP flow capacity.
  • Typical application is condensate or vacuum residual, when flow capacity required is low but pump customization is required and NPSH available is very limited.

Seim screw pumps series PCX WTG
  • PCX WTG is the simplest twin screw pump solution avaliable
  • It comes with internal bearings and one single mechanical seal, without timing gears
  • This pump is normally used for high flow lubrication or in full Stainless Steel execution, whenever process fluid is able to lubricate the bearings and the rotors
Seim screw pumps series PCXA
  • PCXA is the main API676 compliant triple screw pump model
  • This pump is suitable for lubrication or fuel service and comes with removable liner
  • Internal or external bearing is available, depending on the service and process fluid