Marine division

PB PHS PZ PZD PXF PO-PWO POF 2SP LS 2SP PDP SPB MPVB VMP/BVPA
PB PHS PZ PZD PXF PO-PWO POF 2SP LS 2SP PDP SPB MPVB VMP/BVPA

PO PWO |  PWO-type 3-screw pumps

Description

PWO-type 3-screw pumps

  • For low viscosity lubro-refrigerant fluids, with minimum lubricating properties (minimum oil: 5%)
  • Mineral and natural oils, low-viscosity fuel fluids.
  • Flow rate up to 600 L/min
  • Admissible delivery pressure (continuous) = 100 bar at 2900 rpm
  • Standard use:
    • High pressure lubrication and cooling circuits for machine tools
    • To pump fluids with low lubricating properties in refining plants.

Technical Specifications

Data installation
Installation Indoor or Outdoor
Environment Industrial, Marine
Temperature Amb. Min / Max -25°C (CS) e -40°C (LTCS) , only storage / 60°C *
Operating working conditions
Fluids Emulsione acqua olio per macchine utensili, Oli da taglio, Fuels leggeri e fluidi a basso potere lubrificante. Oli lubrificanti minerali e sintetici
Solids content 0% *
Viscosity range to 1 a 400 cSt *
Speed to 2900 a 3600 rpm *
Rotation (viewed from shaft end) Hourly
Counterclockwise on request
Specifications
Design available STANDARD Seim S.r.l. - Screw Pumps -
Flow to 10 a 650 lpm
(da 0,6 a 39 m3/h; to 2,7 a 171,8 GPM) *
Suction pressure to -0,5 a 10 barg (da -8 a 146 psi) *
Delivery pressure MAX 100 barg (1451 psi) *
Operating Temperature to 0 a 100°C *
Seal Type Radial or Mechanics
Bearing Radial ball bearing
Bearing lubrication Outside self lubricated
Driver Electric Motor
Type of construction Horizontal or vertical
IN/OUT GAS - SAE
Safety valve Unavailable
Materials
Body / Flange GG25. GGG40, Carbon steel *
Screws Carbon Steel nitrided *
O-rings Viton ®
Painting Not applicable

* For different values ​​contact Seim

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