High-Efficiency Motor Pump
Permanent Magnet Motor — Ultra-Level 1 Energy Efficiency
Our High-Efficiency Motor Pump systems integrate advanced fluid dynamics with next-generation permanent magnet synchronous or premium induction motor technology. Through an integrated design approach, this series significantly enhances overall system operational efficiency. Widely applied in industrial circulation, water supply, HVAC, and energy processing, it is engineered to provide global customers with low-energy, high-reliability fluid transport solutions.
Product Advantages
- Exceptionally high operational efficiency, delivering energy savings across all operating conditions and significantly reducing long-term electricity costs.
- High power density and compact size, saving valuable installation space.
- Faster response speeds and more precise fluid control.
- Low maintenance frequency, minimizing losses due to downtime.
Core Technologies
- CFD-optimized impeller and casing designs that exceed industry efficiency benchmarks;
- The hydraulic model has undergone optimization and upgrading—utilizing fluid simulation analysis techniques via NUMECA aerospace-grade design software—resulting in exceptional energy-saving performance that meets the energy efficiency requirements of the GB19762 standard.
- 3D flow technology, polytropic efficiency exceeding 82%.
- Both the no-load current and the load-operation current of permanent magnet synchronous motors are lower than those of asynchronous motors. Permanent magnet synchronous motors feature a wide high-efficiency operating range; they maintain high-efficiency operation across a load factor range of 25% to 125%, with motor efficiency reaching as high as 98.5%.
- Typically, permanent magnet motors demonstrate an efficiency improvement of over 6% compared to standard asynchronous motors, and their useful power output increases by more than 15% (Motor Power P1 = 1.732 × I × U × Power Factor; the power factor for asynchronous motors is 0.85, whereas for permanent magnet motors, it is approximately 1).
- Three-phase asynchronous motors typically have a relatively low starting torque, and their starting current is usually 6 to 10 times their rated current. In contrast, permanent magnet synchronous motors can generate a starting torque capable of handling an overload of up to three times the rated value, requiring no high-impact surge current for startup.
- Integrated intelligent sensing and control, supporting automatic speed adjustment based on pressure or flow.
- The system achieves a maximum efficiency exceeding 96.5%.
- Product power ratings range from 3 kW to 3000 kW, with a controllable speed range of 0 to 130,000 rpm.
Working Principle
The system operates by driving the impeller at high speeds via the motor, utilizing centrifugal force to convert electrical energy into kinetic and pressure energy of the fluid. With precision-engineered hydraulic flow paths, internal turbulence and friction losses are minimized. Furthermore, Variable Frequency Drive (VFD) technology ensures the motor precisely matches actual load demands, keeping the system within its optimal efficiency range at all times.
Model Parameters: High-Efficiency Water Pump
| Model Type | Motor Power (kW) | Speed (RPM) | Capacity (m³/h) | Head (m) | Eff (%) | NPSHr (m) | Weight (kg) |
| YZJH/P80-50-315 | 5.5 | 1480 | 20 | 32 | 54 | 2.0 | 177 / 228 |
| 28 | 30 | 57 | 2.2 | ||||
| 33.5 | 28 | 58 | 2.5 | ||||
| YZJH/P80-50-315Z | 7.5 | 1480 | 21 | 36 | 54 | 2 | 188 / 238 |
| 30 | 35 | 57 | 2.1 | ||||
| 36 | 34 | 58 | 2.4 | ||||
| YZJH/P100-65-315 | 11 | 1480 | 42 | 34 | 60 | 2.0 | 229 / 299 |
| 60 | 32 | 66 | 2.2 | ||||
| 72 | 29 | 64 | 2.6 | ||||
| YZJH/P125-100-315B | 15 | 1480 | 70 | 27 | 72 | 2.0 | 309 / 379 |
| 100 | 26 | 77 | 2.1 | ||||
| 120 | 24 | 73 | 2.5 | ||||
| YZJH/P125-100-315 | 18.5 | 1480 | 98 | 33 | 74 | 2 | 356 / 426 |
| 140 | 30 | 79 | 2.2 | ||||
| 168 | 27 | 75 | 2.6 | ||||
| YZJH/P150-125-315A | 22 | 1480 | 140 | 29 | 73 | 2 | 392 / 462 |
| 200 | 27 | 79 | 2.4 | ||||
| 240 | 24 | 78 | 2.8 | ||||
| YZJH/P150-125-315 | 30 | 1480 | 154 | 35 | 74 | 2 | 461 / 531 |
| 220 | 33 | 80 | 2.5 | ||||
| 264 | 30 | 79 | 2.9 | ||||
| YZJH/P150-125-400B | 37 | 1480 | 140 | 46 | 69 | 2 | 589 / 659 |
| 200 | 44 | 74 | 2.1 | ||||
| 240 | 41 | 73 | 2.5 | ||||
| YZJH/P150-125-400A | 45 | 1480 | 147 | 53 | 70 | 2 | 595 / 665 |
| 210 | 50 | 75 | 2.1 | ||||
| 252 | 46 | 74 | 2.5 | ||||
| YZJH/P200-150-315 | 55 | 1480 | 280 | 38 | 77 | 3 | 778 / 868 |
| 400 | 35 | 83 | 4.1 | ||||
| 480 | 32 | 82 | 4.8 | ||||
| YZJH/P200-150-400B | 75 | 1480 | 231 | 46 | 75 | 2.6 | 942 / 1032 |
| 330 | 44 | 79 | 3.3 | ||||
| 396 | 42 | 78 | 3.9 | ||||
| YZJH/P200-150-400 | 90 | 1480 | 280 | 57 | 77 | 2.8 | 1012 / 1102 |
| 400 | 55 | 81 | 3.8 | ||||
| 480 | 50 | 80 | 4.4 | ||||
| Operating Parameters: Medium Temperature: 10°C – 85°C Max Working Pressure: 1.6 MPa Max Inlet Pressure: 0.8 MPa Inlet/Outlet Diameter: DN32 – DN250 | |||||||
Model Parameters: High-Efficiency Permanent Magnet Motors
| Model | Rated Power (kW) | Rated Current (A) 380V | Synchronous Speed (r/min) | Rated Torque (Nm) | Rated Efficiency (%) | Power Factor (COS) | Max Torque Multiple | Locked-Rotor Torque Multiple | Locked-Rotor Current Multiple | Weight (kg) |
| 2-Pole Motors (3000 r/min) | ||||||||||
| YZJ160L-2/18.5 | 18.5 | 30.6 | 3000 | 58.9 | 94.8 | 0.97 | 2.3 | 2 | 8.2 | 140 |
| YZJ180M-2/22 | 22 | 36.2 | 3000 | 70 | 95.4 | 0.97 | 2.3 | 2 | 8.2 | 170 |
| YZJ200L1-2/30 | 30 | 48.8 | 3000 | 95.5 | 95.5 | 0.97 | 2.3 | 2 | 7.6 | 220 |
| YZJ200L2-2/37 | 37 | 60.1 | 3000 | 117.8 | 95.7 | 0.97 | 2.3 | 2 | 7.6 | 245 |
| YZJ225M-2/45 | 45 | 72.8 | 3000 | 143.2 | 96.1 | 0.97 | 2.3 | 2 | 7.7 | 280 |
| YZJ250M-2/55 | 55 | 88.6 | 3000 | 175.1 | 96.2 | 0.97 | 2.3 | 2 | 7.7 | 365 |
| YZJ280S-2/75 | 75 | 122 | 3000 | 238.7 | 96.4 | 0.97 | 2.3 | 1.8 | 7.1 | 490 |
| YZJ280M-2/90 | 90 | 145 | 3000 | 286.5 | 96.5 | 0.97 | 2.3 | 1.8 | 7.1 | 530 |
| YZJ315S-2/110 | 110 | 178 | 3000 | 350.1 | 96.6 | 0.97 | 2.3 | 1.8 | 7.1 | 800 |
| YZJ315M-2/132 | 132 | 212 | 3000 | 420.2 | 96.7 | 0.97 | 2.3 | 1.8 | 7.1 | 920 |
| YZJ315L1-2/160 | 160 | 255 | 3000 | 509.3 | 96.8 | 0.97 | 2.3 | 1.8 | 7.2 | 1000 |
| YZJ315L2-2/200 | 200 | 320 | 3000 | 636.6 | 97 | 0.97 | 2.3 | 1.6 | 7.2 | 1020 |
| YZJ355M-2/250 | 250 | 405 | 3000 | 795.8 | 97.2 | 0.97 | 2.3 | 1.6 | 7.2 | 1148 |
| YZJ355L-2/315 | 315 | 509 | 3000 | 1002.6 | 97.5 | 0.97 | 2.3 | 1.6 | 7.2 | 1650 |
| 4-Pole Motors (1500 r/min) | ||||||||||
| YZJ180M-4/18.5 | 18.5 | 31 | 1500 | 117.8 | 95.3 | 0.97 | 2.3 | 2.2 | 9 | 187 |
| YZJ180L-4/22 | 22 | 36.8 | 1500 | 140.1 | 95.7 | 0.97 | 2.3 | 2 | 7.8 | 170 |
| YZJ200L-4/30 | 30 | 50 | 1500 | 191 | 96 | 0.97 | 2.3 | 2 | 7.8 | 200 |
| YZJ225S-4/37 | 37 | 61.4 | 1500 | 235.5 | 96.3 | 0.97 | 2.3 | 2 | 7.3 | 230 |
| YZJ225M-4/45 | 45 | 74.5 | 1500 | 286.5 | 96.5 | 0.97 | 2.3 | 2 | 7.4 | 270 |
| YZJ250M-4/55 | 55 | 90.9 | 1500 | 350.1 | 96.6 | 0.97 | 2.3 | 2 | 7.4 | 300 |
| YZJ280S-4/75 | 75 | 123.6 | 1500 | 477.5 | 96.8 | 0.97 | 2.3 | 2 | 6.9 | 375 |
| YZJ280M-4/90 | 90 | 148.1 | 1500 | 572.9 | 97 | 0.97 | 2.3 | 2 | 6.9 | 545 |
| YZJ315S-4/110 | 110 | 180.6 | 1500 | 700.3 | 97.4 | 0.97 | 2.2 | 2 | 7 | 630 |
| YZJ315M-4/132 | 132 | 216.5 | 1500 | 840.3 | 97.6 | 0.97 | 2.2 | 2 | 7 | 835 |
| YZJ315L1-4/160 | 160 | 262.4 | 1500 | 1018.6 | 97.8 | 0.97 | 2.2 | 2 | 7.1 | 930 |
| YZJ315L2-4/200 | 200 | 327.7 | 1500 | 1273.2 | 98 | 0.97 | 2.2 | 2 | 7.1 | 1000 |
| YZJ355M-4/250 | 250 | 403 | 1500 | 1591.5 | 98.2 | 0.97 | 2.2 | 2 | 7.1 | 1480 |
| YZJ355L-4/315 | 315 | 515 | 1500 | 2005.3 | 98.5 | 0.97 | 2.2 | 2 | 7.1 | 1780 |
