NOTOS™ Multi Screw Pump

The NOTOSTM Multiple Screw Pump (MSP) family has superior quality standards to meet the our customers highest level of requirements. With its own unique design, the NOTOSTM multiple screw pump is engineered to cover a wide range of applications.

Range of Application

NOTOS® pumps are designed to convey low to well lubricating fluids, low to high viscosity, shearsensitive or chemically aggressive media.

The markets covered are:

  • Oil & Gas
  • Marine Industry
  • Power Generation
  • Process Industry
  • Tank Storage

Broad range of materials

Our range of metallic materials extends from grey cast iron and chrome-nickel steel to duplex, super duplex or hastelloy steel. Further metal material options on request.

  • No dynamically loaded rubber parts
  • Static seals from NBR to FFKM

Capacity and pressure ranges

NOTOS® Multi Screw Pumps are known as pumps for low to high flows and low to high pressures

  • Flow rate up to 1500 m³/h
  • Pressure rate up to 80 bar
  • Viscosities up to 50.000 cSt
  • Temperature up to 300 ºC

Characteristics

  • Self-priming
  • Good suction capability
  • Continuous flow with low pulsation
  • Flow with minimal turbulences
  • Gentle product handling
  • Low maintenance
  • Low lifecycle cost
  • Long service life
  • Quiet operation
  • Several mechanical sealoptions
  • Magnetic drive optional
  • Extremely low noise and vibrations

The NOTOS® multi screw pump family comprises three series in multiple arrangements which serve a wide range of industries and applications. The superior quality standard meets the highest level of requirements from our customers. Three different pump series to meet your individual demands:

2 NS – Two Screw Pump

Fluid properties:

  • From non to light abrasive
  • Corrosive and non corrosive
  • Low to medium viscosities
  • Low to well lubricant fluids

3 NS – Three Screw Pump

Fluid properties:

  • Non abrasive
  • Non corrosive
  • Low to medium viscosities
  • Lubricant

4 NS – Geared Twin Screw Pump

Fluid properties:

  • From non to medium abrasive
  • Corrosive and non corrosive
  • Low to high viscosities
  • Non lubricant and lubricant

The pumps are designed to work with low to high lubricant fluids, low to high viscosity, shear sensitive and/or chemically aggressive media.

The MSP is applicable in the following markets:

  • Oil & Gas
  • Marine
  • Power
  • General Industry

2 NS – Two Screw Pump
This pump operates with a drive screw intermeshing with a driven screw which transfers torque from one to the other. The screws are surrounded by a pump housing made of ferrous material. The screw geometry and the housing form the pumping chamber. Rotation, screw diameter, and screw pitch define the pump‘s flow rate. The product lubricates the internals. Four special bushings keep the screws aligned. The axial force resulting from the pumping motion is practically nothing due to the pump’s hydraulic balancing.

3 NS – Three Screw Pump
This pump operates with a drive screw intermeshing with two driven screws that transfer torque from one to the other. The screws are surrounded by a pump housing made of ferrous material. The screw geometry and the housing form the pumping chamber. Rotation, screw diameter, and screw pitch define the pump‘s flow rate. The product lubricates the internals. Four special bushings keep the screws aligned. The axial force resulting from the pumping motion is practically nothing due to the pump’s hydraulic balancing.


4 NS – Four Screw Pump (geared twin)
Two shafts with four screws rotate inside a liner. The screws do not touch each other and do not touch the liner. There is no metal-to-metal contact in this pump design. Synchronization of the two shafts is affected by a pair of timing gears that is remote from the pump chamber. The fluid is pumped from the extremities towards the center. The pumping chamber is formed by the four screws and the liner.