HQHaquanPump & Valve
QDX3-18-0.55S Stainless Steel Submersible Pump, 3 m³/h 18 m — QDX Small Submersible Pumps
QDX Small Submersible Pumps

QDX3-18-0.55S Stainless Steel Submersible Pump, 3 m³/h 18 m

Model: QDX3-18-0.55S

QDX3-18-0.55S: 3 m³/h at 18 m, 0.55 kW, 220 V. How it compares with the 1.5 m³/h and 26 m head models next to it.

Specifications
Flow Rate3m³/h
Head18m
Power0.55kW
Inlet / Outlet Diameter25mm
MaterialStainless steel 304 / 316
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Product Overview

QDX3-18-0.55S doubles the flow of the smallest model while keeping the same 25 mm outlet and a modest 0.55 kW motor. If you are deciding between it and the models next to it, here they are side by side.

Model Flow (m³/h) Head (m) Power (kW) Outlet (mm)
QDX1.5-17-0.37S 1.5 17 0.37 25
QDX3-18-0.55S 3 18 0.55 25
QDX3-26-0.75S 3 26 0.75 25

If your duty is close to 3 m³/h and the total head is under 18 m, this is the one. Once the head goes above 18 m, step up to QDX3-26-0.75S rather than pushing this pump past its rated point. If the flow you need is really nearer 1.5 m³/h, the smaller pump will use less power.

What stays the same across the three

  • Precision cast stainless steel body, with a closed stainless impeller that is stamped and welded
  • Fluororubber double-end mechanical seal and fluororubber O-rings
  • Class F motor insulation with a thermal protector
  • Up to 5 m submersion, liquid up to 60 °C

All three run on 220 V single-phase at 2860 r/min. Need 380 V? The QX versions carry the same hydraulics.

Typical Applications

  • water transfer
  • tank filling
  • garden irrigation
  • building drainage

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