Centrifugal

Centrifugal Pump

Each series within the Allweiler® centrifugal pump line is designed for specific application requirements able to handle a wide range of low viscosity aggressive and non-aggressive fluids.

The centrifugal pump method of operation is typically a single-flow‚ single-stage‚ volute pump available with a shaft seal or magnetically-coupled pump without a shaft seal. In a centrifugal pump‚ the process liquid enters through the suction nozzle and then the center of pump known as the impeller. As the impeller rotates‚ it spins the liquid sitting in the cavities between the vanes outward. As the liquid leaves the eye of the impeller a low-pressure area is created causing more liquid to flow toward the inlet. The faster or bigger the impeller‚ the higher the velocity of the liquid at the vane tip and the greater the energy imparted to the liquid.

Strengths of the technology:

  • Dynamically balanced impeller reduces vibration
  • Mechanical seals‚ including cartridge units‚ and materials that are adapted for service conditions
  • Pump and motor are rigidly coupled
  • Negligible axial thrust and good NPSH values

Typical power generation process fluid-handling:

  • Waste Water Treatment
  • Chemical Metering
  • Fuel Unloading / Transfer / Forwarding
  • Lubrication
  • Washing System

Flow Rates up toPressures to up toMax Fluid TemperatureCIRCOR Brand‚ Series & Pump Type
105 m^3/h
462 GPM
25 bar
363 psi
250C
482F
Allweiler AllMAG
Centrifugal
120 m^3/h
528 GPM
25 bar
363 psi
160C
320F
Allweiler L/LV
Centrifugal
240 m^3/h
1‚058 GPM
25 bar
363 psi
160C
320F
Allweiler ALLCHEM
Centrifugal
480 m^3/h
2‚120 GPM
16 bar
232 spi
140C
284F
Allweiler NB
Centrifugal
550 m^3/h
2,500 GPM
16 bar
232 spi
120C
240F
Allweiler NSSV
Centrifugal
1,200 m^3/h
5,300 GPM
25 bar
363 psi
350C
662F
Allweiler CNH-B
Centrifugal
2,300 m^3/h
10,158 GPM
16 bar
232 spi
140C
284F
Allweiler NT
Centrifugal

 

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CIRCOR Industrial

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