Applications
- ● Underground water pumping
- ● Irrigation in farmland and gardens
- ● Pumping water for hilly, mountainous and small high‑rise buildings
- ● Aquaculture and industrial water drainage
Operating Conditions
- ● Max. liquid temperature : +40℃
- ● Liquid pH level: 6.5‑8.5
- ● For clean water
- ● Immersion depth: 0.5m‑5m
Features
- ● Compact structure and new improved technology design
- ● Easy to install and remove
- ● Lower temperature rise and longer service life
- ● Impeller of aluminum alloy, cast iron and engineering polymer are all available
Submersible Clean‑water Pump
| S/N | Model | Rated head (m) | Rated flow (m³/h) | Max.head (m) | Max.flow (m³/h) | Outlet (in) | Rated power (kW) |
|---|---|---|---|---|---|---|---|
| 1 | QDX1.5‑16‑0.37 | 16 | 1.5 | 17 | 7 | 1 | 0.37 |
| 2 | QDX3‑18‑0.55 | 18 | 3 | 18.5 | 8.5 | 0.55 | |
| 3 | QDX1.5‑32‑0.75 | 32 | 1.5 | 33 | 7 | 0.75 | |
| 4 | QDX7‑18‑0.75 | 18 | 7 | 19.5 | 16 | 1.5 | |
| 5 | QDX10‑16‑0.75 | 16 | 10 | 19 | 17 | 2 | |
| 6 | QDX15‑10‑0.75 | 10 | 15 | 14.5 | 27 | 2.5 | |
| 7 | QDX30‑6‑0.75 | 6 | 30 | 9 | 48 | 3 | |
| 8 | QDX3‑32‑1.1 | 32 | 3 | 35 | 8.5 | 1 | 1.1 |
| 9 | QDX6‑25‑1.1 | 25 | 6 | 29 | 13.5 | 1.5 | |
| 10 | QDX15‑15‑1.1 | 15 | 15 | 17.5 | 31 | 2 | |
| 11 | QDX15‑15‑1.1 | 15 | 15 | 17.5 | 31 | 2.5 | |
| 12 | QDX40‑7‑1.1 | 7 | 40 | 12 | 60 | 3 | |
| 13 | QDX15‑18‑1.5 | 18 | 15 | 20.5 | 38 | 2 | 1.5 |
| 14 | QDX40‑9‑1.5 | 9 | 40 | 13 | 66 | 3 | |
| 15 | QDX50‑7‑1.5 | 7 | 50 | 11.5 | 68 | 4 | |
| 16 | QDX65‑7‑2.2 | 7 | 65 | 12.5 | 82 | 4 | 2.2 |
Sewage Submersible Pump
| S/N | Model | Rated head (m) | Rated flow (m³/h) | Max.head (m) | Max.flow (m³/h) | Outlet (in) | Rated power (kW) |
|---|---|---|---|---|---|---|---|
| 1 | WQ(D)7‑7‑0.37 | 7 | 7 | 10 | 9.5 | 1.5/2 | 0.37 |
| 2 | WQ(D)7‑10‑0.55 | 10 | 7 | 13 | 18.5 | 2 | 0.55 |
| 3 | WQ(D)10‑10‑0.75 | 10 | 10 | 15.5 | 20 | 0.75 | |
| 4 | WQ(D)10‑15‑1.1 | 15 | 10 | 19.5 | 25 | 1.1 | |
| 5 | WQ(D)15‑15‑1.5 | 15 | 15 | 20.5 | 29 | 1.5 |
Submersible Clean‑water Pump vs Sewage Submersible Pump – Feature Summary
| Comparison Item | Clean‑water Submersible Pump | Sewage (Wastewater) Submersible Pump |
|---|---|---|
| Applicable Media | Tap water, river water, well water, rainwater; almost no solid particles | Septic tank sewage, construction‑site wastewater, domestic sewage; contains sediment, fibers, paper scraps and small solid debris |
| Inlet Filter Structure | Fine strainer to block large particles; narrow flow passage | Wide inlet without fine strainer; large flow channel for anti‑clogging; some models fitted with cutting blades |
| Impeller Structure | Closed‑type impeller with dense blades, high hydraulic efficiency, small clearance | Open / semi‑open impeller with fewer blades and larger clearance. Cutting‑type versions come with cutter blades to shred fibrous waste |
| Permissible Particle Size | Typically ≤5 mm; cannot handle impurities | Particle passage capacity: 10‑35 mm. Cutting‑style pumps can shred cloth strips and hair |
| Head & Flow Performance | Higher head at equal power, for water lifting & pressurization | Larger flow yet relatively lower head at equal power, prioritizing sewage discharge |
| Pump Housing Material | Plastic / cast iron / stainless steel, optimized for clean‑water corrosion resistance | Mainly cast iron; stainless steel for corrosive media; robust structure against sediment abrasion |
| Typical Applications | Well water extraction, garden irrigation, water tank filling, pond water exchange | Basement drainage, septic‑tank effluent disposal, construction‑site dewatering, livestock farm wastewater discharge |
| Disadvantages | Prone to impeller jamming and motor burnout once impurities enter | Lower head than clean‑water pumps for identical power; cutting‑type units produce relatively louder noise |
Quick Selection Guidelines
- For pumping clean water (river / well water): Choose a clean‑water submersible pump. It delivers higher head with better energy efficiency. Prevent sand and gravel from entering the pump chamber.
- For wastewater carrying residues, hair or sediment: Choose a sewage submersible pump. Prefer cutting‑impeller versions if cloth strips and hair are frequent.
- Do not mix‑use: A clean‑water pump will easily stall and burn out when pumping sewage. A sewage pump can handle clean water but runs at lower efficiency.