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 |  2SP twin-screw pump

Description

twin-screw pump WITH timing gears, suitable for various types of fluids, also containing impurities, also available made entirely of stainless steel, also available in version fulfilling regulations API676 IIED and IIIED.

Technical Specifications

Data installation
Installation Indoor or Outdoor
Environment Industrial, Marine
Temperature Amb. Min / Max -25°C (CS) and -40°C (LTCS) , storage only / 60°C *
Operating conditions
Fluids Fuels (HFO, LFO,MGO,DO,LSMGO); Mineral and synthetic lubricating oil;
Solids content 2 mm (3%) MAX *
Viscosity range between 1 and 15000 cSt *
Speed between 750 and 3600 rpm *
Rotation (shaft view) Clockwise
Counter clockwise on request
TECHNICAL CHARACTERISTICS
Design available STANDARD SEIM, API676 IIIED, API676 IIED, BV Mode II, RINA
Flow between 10 and 20000 lpm (between 0.6 and 1200 m3/h; between 2.7 and 5283.5 GPM) *
Suction pressure 10 barg (146 psi) MAX *
Delivery pressure 40 barg (581 psi) MAX *
Operating Temperature between 0 and 300 °C *
Seal Single or Double Mechanical
Bearing 4 radial + 1 axial
Bearing lubrication Based on the application
Driver AC or DC motor, Steam turbine, diesel engine
Construction shape Horizontal or vertical on feet IM1001 B3
IN/OUT standard ANSI 150 B16.5 or DIN UNI EN 1092-1
Safety valve It is ONLY possible to install a built-on safety valve with internal or external recirculation on request
Materials
Body / Flange Carbon steel or Stainless steel *
Set of 3 screws Nitrided carbon steel or stainless steel *
Liner Cast iron GG25; carbon steel; stainless steel
O-rings standard Viton ®
Painting standard SA2,5 + primer + final, total 160µ approximately; other painting cycles on request

* For different values ​​contact Seim

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