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**Small Fine Concrete Transfer Pumps**
**Product Introduction**
1. The HW high-floor cement mortar pump is a compact and efficient fluid conveying system, widely used in the pumping of wet-mixed mortar and wall plastering for high-rise buildings. It is also ideal for support lining construction in ground heating projects, tunnels, mines, and other underground engineering applications.
2. This pump can handle fine aggregate concrete with particle sizes less than 25mm, offering cost-effective investment and low operating expenses. It is the preferred equipment for construction projects. The S-tube is used as a distribution valve to ensure smooth pumping of larger aggregates.
3. The hydraulic-driven mixing device ensures secondary mixing, which improves pumping efficiency. The glass plate and cutting ring are made with hard alloy inlay technology, providing excellent wear resistance and extending the service life.
4. The hydraulic system features an independent three-circuit electro-hydraulic control system, ensuring high reliability. The electrical control system includes a return pressure function that helps prevent pipe blockage failures.
5. Its sleek design and lightweight structure make it easy to transport. When combined with batching and mixing equipment, it enables continuous pumping operations, significantly improving construction schedules.
**Technical Parameters**
| **Model** | **--** | **HW15-05-22 (Piston)** | **HW20-08-33 (Piston)** | **HW-04 (Squeeze)** |
|-------------------|---------------------|-------------------------|-------------------------|---------------------|
| Motor Power | kW | 22 | 30 | 4 |
| Max. Theoretical Working Pressure | MPa | 5.3 | 8 | 5 |
| Theoretical Displacement | m³/h | 15 | 20 | 6 |
| Max. Horizontal Delivery Distance | m | 200 | 350 | 180 |
| Max. Vertical Delivery Distance | m | 80 | 140 | 180 |
| Max. Grain Size | mm | ≤20 | ≤25 | ≤6 |
| Cylinder Diameter & Stroke | mm | Φ140×800 | Φ140×800 | Squeeze Pipe Φ50×1400 |
| Delivery Hose Diameter | mm | Φ80, Φ50 | Φ100, Φ80 | Φ38 |
| Net Weight | kg | 1580 | 2000 | 500 |
| Dimensions (L×W×H) | mm | 3400×1320×1480 | 4000×1500×1550 | 800×1100×1300 |
**Contact Information**
**Name:** Sunny Kong
**Mobile:** +86 158 5378 5289
**Tel:** 0086-537-2881968
**Company:** Jining Hengwang Mining Machinery Co., Ltd.
This pump is designed for durability, efficiency, and ease of use in various construction environments. Whether you're working on a residential project or large-scale infrastructure, the HW series offers reliable performance and long-term value. Let us help you find the right solution for your needs!