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

2SP LS |  Screw pumps

Description

  • Twin screw pump WITH timing gears
  • Suitable for various types of fluids, also containing impurities
  • Also available made entirely of stainless steel.
  • For vast flow rates (up to 1250 m3/h)
  • Pressures up to 40 bar
  • Horizontal or vertical versions.

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 Oli lubrificanti minerali e sintetici in un'ampia gamma di viscosità, Olio idraulico, Olio diatermico, fluidi con basso or nullo potere lubrificante, industria alimentare, cosmetici e detergenti, Fuels (HFO, LFO, LSMGO, IFO)
Solids content MAX 2 mm (3%) *
Viscosity range to 1 a 15000 cSt *
Speed to 750 a 3600 rpm *
Rotation (viewed from shaft end) Hourly standard; counterclockwise on demand
Specifications
Design available STANDARD Seim S.r.l. - Screws Pumps -, API676 IIIED, API676 IIED, BV Mode II, RINA
Flow to 10 a 10000 lpm (da 0,6 a 600 m3/h; to 2,7 a 2641,8 GPM) *
Suction pressure to -0,5 a 5 barg (da -8 a 73 psi) *
Delivery pressure MAX 10 barg (146 psi) *
Operating Temperature to 0 a 300 °C *
Seal Type Mechanical Single or Double
Bearing 2 radial + 1 axial
Bearing lubrication Depending on the application
Driver AC or DC motor, Turbina a vapore, Motor diesel
Type of construction Horizontal or vertical feet IM1001 B3
Type of construction Horizontal or vertical
IN/OUT DIN UNI EN1092-1, ANSI150 B16.5
Safety valve ONLY on demand is possible to predict a safety valve built-on with Internal or external recirculation
Materials
Body / Flange Carbon Steel or stainless steel *
Screws Carbon Steel nitrided or stainless steel *
Linear Cast iron GG25; Carbon Steel; stainless steel
O-rings standard Viton ® Viton ®
Painting standard SA2,5 + primer + terminal, total 160µ about; other cycles Painting on demand

* For different values ​​contact Seim

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