Dominator 5 Multistage Submersible Pumps

Summary

Product identification

DOMINATOR 5” submersible pumps are multistage centrifugal submersible pumps designed for clear water, constructed entirely from stainless steel. They are suitable for installation in traditional wells, water deposits, collection tanks, fresh water courses, and lakes. An automatic version is available, equipped with a float switch.

Applications

• Lifting of water from traditional wells.
• Installations in tanks inside homes for the pressurization of domestic systems for drinking water.
• Small automatic systems for garden irrigation.
• Surface irrigation.

Operating limits

• Type of liquid: Clean water without suspended solids or abrasive material.
• Maximum temperature of the liquid: 40°C.
• Maximum immersion under the water level: 17 m.
• Motor degree of protection: IP 68
• Motor insulation class: F
• Motor speed of rotation: 2850 rpm
• Motor use: Suitable for continuous use.

Electrical

• Motor type: Dry motor with stainless steel body, cooled by pumped liquid.
• Power supply: Single-phase models feature a capacitor that is always on.
• Protection: Thermal protection is built into the motor casing.
• Cable connection: The cable connection chamber is completely insulated.
• Bearings: Self-lubricating ball bearings.

Mechanical / hydraulic

Materials

• Pump body: Stainless steel X5 CrNi 1810 (AISI 304)
• Air inlet grille: Stainless steel X5 CrNi 1810 (AISI 304)
• Impellers: Stainless steel X5 CrNi 1810 (AISI 304)
• Diffusers: Stainless steel X5 CrNi 1810 (AISI 304)
• Spacer: Stainless steel X5 CrNi 1810 (AISI 304)
• Motor shaft: Stainless steel X5 CrNi 1810 (AISI 304)
• Supply cable: 20 m H07 RN-F with plug
• Mechanical seal: Graphite (lubricated in oil chamber)
• Counterface: Aluminium oxide

Hydraulic Performance

The hydraulic performance curves are provided in the original PDF. For exact tabulated values, see the official PDF. Some performance points (Head in m.c.w.) are available for specific flow rates (Q l/min):

• DOMINATOR 5" 70/50B M:
  • Q = 0 l/min: 55 m.c.w.
  • Q = 20 l/min: 48 m.c.w.
  • Q = 40 l/min: 35 m.c.w.
  • Q = 60 l/min: 17 m.c.w.
• DOMINATOR 5" 70/75B M:
  • Q = 0 l/min: 78 m.c.w.
  • Q = 20 l/min: 71 m.c.w.
  • Q = 40 l/min: 51 m.c.w.
  • Q = 60 l/min: 25 m.c.w.
• DOMINATOR 5" 140/45B M:
  • Q = 0 l/min: 50 m.c.w.
  • Q = 20 l/min: 47 m.c.w.
  • Q = 40 l/min: 42 m.c.w.
  • Q = 60 l/min: 37 m.c.w.
  • Q = 80 l/min: 32 m.c.w.
  • Q = 100 l/min: 26 m.c.w.
  • Q = 120 l/min: 19 m.c.w.
  • Q = 140 l/min: 11 m.c.w.
• DOMINATOR 5" 140/65B M:
  • Q = 0 l/min: 68 m.c.w.
  • Q = 20 l/min: 63 m.c.w.
  • Q = 40 l/min: 55 m.c.w.
  • Q = 60 l/min: 49 m.c.w.
  • Q = 80 l/min: 42 m.c.w.
  • Q = 100 l/min: 33 m.c.w.
  • Q = 120 l/min: 23 m.c.w.
  • Q = 140 l/min: 13 m.c.w.

Dimensions and Weights

Disclaimer

This summary is based on extracted text and may miss figures, footnotes, or recent revisions. Contractual data must always match the official OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror