Alfa Laval's Three Screw

Alfa Laval Pump Logo

Alfa Laval’s 3S Series is one of the most comprehensive triple screw pumps ranges on the market, with 29 different sizes and several configurations available. It ensures a high degree of flexibility, allowing users to customize according to their system’s unique requirements. The 3S pumps boast high reliability, increased uptime, long maintenance intervals, and extended service life. They are specially designed for moving lubricating, non-abrasive, and chemically inert liquids used in various industries.

Design Advantages

  • High-quality mechanical seal with special SiC graphite material
  • Lowest lifecycle cost and maintenance
  • Compact design and robust construction
  • High capacity at limited space
  • High pumping efficiency
  • Very good suction conditions (NPSH)

Available Options

We customise pumps according to your specific application. Get in touch with us today to get a complete list of your options.

  • ATEX models
  • Magnetic models
  • Port sizes
  • Seal options
  • Elastomers
  • Spare parts
  • Mounting

Key Specifications

SERIES 3S ALP
MAX FLOW RANGE 174 m3/h 106 m3/h
MAX INLET PRESSURE Mechanical sealed pump – 600 kPa (0.6 MPa)
Magnetic coupled pumps – 16 bar 		1.6 MPa
MAX OUTLET PRESSURE 1.6 MPa 1.6 MPa
TEMP RANGE Mechanical sealed pump –20°C to +180°C
Magnetic coupled pumps –20°C to +250°C 		Mechanical sealed pump –10°C to +155°C
Magnetic coupled pumps –10°C to +180°C
SPEED 2900 RPM @ 50hz

Applications

Power generation and marine applications, including:

  • Fuel-injection
  • Oil burners
  • Boosting
  • Hydraulics
  • Lubrication
Talk to our experts
Tsurumi GPN

OUR RANGE OF AVAILABLE THREE SCREW PUMPS

Abaque Peristaltic Hose Pump HD100 model

3S

Abaque Peristaltic Hose Pump HD 10 or HD20 model

ALP

PRINCIPLE OF OPERATION

The Alfa Laval three screw pumps consist of three rotating parts called “rotors” which turn in their precisely machined housing bores. The rotors are of double start screws, continuously meshing to form delivery Chambers, which move constantly from the suction to the pressure / discharge side.

Servicing you anywhere in Australia

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