Pump Introduction
  QDX-S/QDX/QX series submersible pump consists of pump, mechanical seal and motor. Pump is at the bottom part of pump, which is adopted centrifugal impeller. Motor which is single-phase or three-phase is at the upper part of pump. Seal is used where pump and motor combine, which is a kind of double-end mechanical seal, O rings are applied to all static joints. Float switch can be equipped to control pump's starting and stopping
automatically according to the water level.
Application
They are recommended for pumping clean water without Abrasive particles and liquids that are chemically non-aggressive to the materials of which the pump is made. Mainly used for well pumping, river pumping, farm irrigation, water supply, drainage in breeding industry.
Operating Limits
1. Trans medium's PH: 6-8.5
2. Fluid temperature limit: <40 °C
3. Max ambient temperature: <40 °C
4. Operating depth: <5m
5. Sand content in medium: <0.1%
6. Sand size in medium: <0.2mm
7.  Pump working position: More than 0.5m over the bottom, should not be inserted into sludge.
Materials
Motor housing:  Aluminum/ Iron
Impeller:Â Aluminum/Â Iron
Motor wire: Copper
Suction strainer: SS
Outlet: Cast iron or Plastic
Mechanical seal: Ceramic - GraphiteÂ
Shaft: CS 45# or SS
Motor
1. 2-pole induction motor
2.1Â phase,50hz/60hz
3. Insulation Class: BÂ
4. Protection: IP68
5. Single-phase with capacitor and thermal overload protection
Model Instruction
QDX15-17-0.37S(F)Â
S: stainless steel
(F): With float switch.
0.37: Rate power(kw)
17: Rated head(m)
1.5: Rated flow(m3/h)
QDX: Model code, and no "D" means three-phase
Technical Data
| Model | Voltage | Power(kw) | Â Flow | Â Head | Â Outlet |
| Â Â Â V | Â Â Â 50Hz | (m3/h) | Â Â (m) | Â (mm) | |
| QDX1.5-17-0.37 | 220 | 0.37 | 1.5 | 17 | 25 |
| QDX1.5-25-0.55 | 0.55 | 1.5 | 25 | 25 | |
| QDX3-18-0.55 | 3 | 18 | 32 | ||
| QDX10-12-0.55 | 10 | 12 | 40 | ||
| QDX15-7-0.55 | 15 | 7 | 50 | ||
| QDX3-30-0.75 | 0.75 | 3 | 30 | 25 | |
| QDX3-24-0.75 | 3 | 24 | 32 | ||
| QDX7-18-0.75 | 7 | 18 | 40 | ||
| QDX10-16-0.75 | 10 | 16 | 50 | ||
| QDX15-10-0.75 | 15 | 10 | 65 | ||
| QDX40-7-1.1 | 1.1 | 40 | 7 | 80 | |
| QDX1.5-38-1.1 | 1.5 | 38 | 25 | ||
| QDX7-26-1.1 | 7 | 16 | 40 | ||
| QDX10-22-1.1 | 10 | 22 | 50 | ||
| QDX15-15-1.1 | 15 | 15 | 65 | ||
| QDX45-9-1.5 | 1.5 | 45 | 9 | 80 | |
| QX10-34-2.2 | 380 | 2.2 | 10 | 34 | 50 |
| QX10-45-3 | 3 | 10 | 45 | 50 | |
| QX12.5-50-4 | 4 | 12.5 | 50 | 50 | |
| QX12.5-60-5.5 | 5.5 | 12.5 | 60 | 50 | |
| QX12.5-75-7.5 | 7.5 | 12.5 | 75 | 50 |
Voltage 220v-380V fluctuation for 10% more
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