
MDH(L) Stainless Steel Vortex Magnetic Drive Pump
Product Overview
The MDH magnetic drive high- and low-temperature vortex pump features stainless steel wetted parts and offers a certain level of gas–liquid handling capability. The pump adopts a sealless magnetic drive design, converting dynamic sealing into static sealing, which ensures safe and stable operation under both cryogenic and high-temperature operating conditions.
Product Features
- Proprietary non-wear impeller technology
- Unique gas–liquid mixed-phase conveying capability
- Enhanced bearing support stability technology
- Ultra-high-temperature magnetic drive design
- Medium-temperature precision investment casting with multi-stage surface treatment
Technical Specifications
| Model | Diameter | Motor | Performance Parameter | Pump Weight (kg) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Inlet | Outlet | Power (kW) | Power (Hp) | Voltage (V) | Frequency (Hz) | Speed (r/min) | Max / Rated Head (m) | Max Capacity (m³/h) | ||
| MDH-05 | DN20 | DN15 | 0.37 | 0.5 | 3Ø-380 | 50 | 2760 | 50 / 30 | 0.8 | 11 |
| MDH-07 | DN20 | DN15 | 0.5 | 0.7 | 3Ø-380 | 50 | 2760 | 80 / 50 | 0.5 | 12 |
| MDH-10 | DN25 | DN20 | 0.75 | 1 | 3Ø-380 | 50 | 2760 | 55 / 35 | 0.9 | 16 |
| MDH-15 | DN25 | DN20 | 1.1 | 1.5 | 3Ø-380 | 50 | 2760 | 80 / 55 | 2.4 | 18.5 |
| MDH-20 | DN40 | DN32 | 1.5 | 2 | 3Ø-380 | 50 | 2760 | 90 / 60 | 2.8 | 26 |
| MDH-30 | DN40 | DN32 | 2.2 | 3 | 3Ø-380 | 50 | 2760 | 100 / 70 | 1.7 | 29 |
| MDH-40 | DN40 | DN32 | 3 | 4 | 3Ø-380 | 50 | 2900 | 120 / 80 | 3.7 | 37 |
| MDH-50 | DN50 | DN40 | 4 | 5.5 | 3Ø-380 | 50 | 2900 | 62 / 40 | 13 | 67 |
| MDH-75 | DN50 | DN40 | 5.5 | 7.5 | 3Ø-380 | 50 | 2900 | 65 / 50 | 11 | 69 |
| MDH-75Z | DN50 | DN40 | 5.5 | 7.5 | 3Ø-380 | 50 | 1470 | 74 / 50 | 9.8 | 78 |
| MDH-100 | DN65 | DN50 | 7.5 | 10 | 3Ø-380 | 50 | 1470 | 80 / 50 | 24.9 | 193 |
| MDH-150 | DN65 | DN50 | 11 | 11 | 3Ø-380 | 50 | 1470 | 100 / 60 | 24 | 229 |
| MDH-200 | DN80 | DN65 | 15 | 20 | 3Ø-380 | 50 | 1470 | 80 / 38 | 44 | 332 |
| MDH-250 | DN80 | DN65 | 18.5 | 25 | 3Ø-380 | 50 | 1470 | 100 / 40 | 60 | 352 |
| MDH-300 | DN80 | DN65 | 22 | 30 | 3Ø-380 | 50 | 1470 | 120 / 50 | 69.8 | 361 |
*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.
Key Characteristics

Corrosion Resistant

Compact Size

Low Noise

Safe and Reliable

Gas-Liquid Mixed Delivery
Pump Structure
Exploded view of MDH(L) stainless steel vortex magnetic drive pump showing impeller, inner and outer magnets, bearings, drive shaft, coupling, and motor structure

Performance Curve

Exploded view of MDH(L) stainless steel vortex magnetic drive pump showing impeller, inner and outer magnets, bearings, drive shaft, coupling, and motor structure
Working Condition
| Medium Temperature | Medium Density | Ambient Temperature | Maximum Elevation | Max Withstand Pressure |
|---|---|---|---|---|
| −196°C to +400°C | 0.6–2.0 | −50°C to +70°C | 5000 m | 40 bar |
Application Area
High-temperature mold temperature control,High-low temperature test instruments,semiconductor precision temperature control,Chemical processing equipment,Mold/plate temperature control systems,ultrasonic cleaning equipment,high-end printing and dyeing equipment,Vacuum/negative-pressure rectification,Metering and dosing skid systems,TCU (Temperature Control Unit) systems,Hydrogen generation systems,ozone generators,etc.
Product Certification






