
WD Brass/Stainless Steel Vortex Pump
Product Overview
The WD Series Vortex Pumps are engineered to deliver stable performance in applications where standard centrifugal pumps fail. Available in premium Brass or Stainless Steel (SS304/316) construction, these pumps combine a compact footprint with the rugged ability to handle fluids containing small impurities, entrained gas, or air bubbles.
Product Features
- High Lift
- Diversified Options for Pump Body Materials
- Imported Sealing Materials
- Optional Flange or Hose Thread Connections for Inlet and Outlet
Technical Specifications
| Model | Diameter | Motor | Performance Parameter | Pump Weight (kg) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Inlet | Outlet | Power (kW) | (Hp) | Voltage (V) | Frequency (Hz) | Speed (r/min) | Max/Rated Head (m) | Max Capacity (L/min) | ||
| WD-07(E) | G1/2 " | G1/2 " | 0.55 | 0.7 | 3ø-380 | 50 | 2760 | 40/25 | 25 | 6.5 |
| WD-07 (E) (S) | G1/2 " | G1/2 " | 0.55 | 0.7 | 1ø-220 | 50 | 2760 | 45/25 | 30 | 6.5 |
| WD-10 | G3/4 " | G3/4 " | 0.75 | 1 | 3ø-380 | 50 | 2760 | 60/40 | 60 | 11 |
| WD-10E | DN20 | DN20 | 0.75 | 1 | 3ø-380 | 50 | 2760 | 60/40 | 60 | 11 |
| WD-20N | DN20 | DN20 | 1.5 | 2 | 3ø-380 | 50 | 2760 | 60/35 | 90 | 16 |
| WD-20E | G3/4 " | G3/4 " | 1.5 | 2 | 3ø-380 | 50 | 2760 | 60/35 | 90 | 15 |
| WD-33 | DN25 | DN25 | 2.5 | 3.3 | 3ø-380 | 50 | 2760 | 85/55 | 108 | 26 |
| WD-50E | G1-1/4" | G1-1/4" | 4 | 5 | 3Φ-380 | 50 | 2760 | 220/130 | 106 | 40 |
*The above characteristic testing is based on water transfer at normal speed under 20°C. The performance parameter error is approximately ±10%. Pump performance varies depending on the proportion and density of the liquid medium.
Pump Structure
The WD Pump production structure consists of the Pump Cover, Impeller, Mechanical Seal, Shaft Seal Base, and Motor, forming a durable high-lift leak-free fluid transfer assembly.

Performance Curve

The WD Pump production structure consists of the Pump Cover, Impeller, Mechanical Seal, Shaft Seal Base, and Motor, forming a durable high-lift leak-free fluid transfer assembly.
Working Condition
| Thermal Conductivity Water | Thermal Conductivity Oil | Glycol/Silicone Oil | Working Temperature | Maximum Elevation | Max withstand pressure |
|---|---|---|---|---|---|
| +5°C~+160°C | +5°C~+200°C | -30°C~+180°C | -5°C~+40°C | 1000m | 20bar |
Application Area
Mold Temperature Control, Pharmaceutical Sterilization, Reactor Jacket Temperature Control, Steam Boiler, Welder Cooling, Test Instruments, Boiler Water Replenishment, Hot Water Furnace, Food Processing Equipment, etc.
Product Certification






