Project Overview: Reservoir Pumping Solution in Southeast Asia
A large-scale reservoir project in Southeast Asia required a highly reliable pumping system to support agricultural irrigation and industrial water storage. Due to the region’s tropical climate, the reservoir experiences significant seasonal water level fluctuations, especially during the rainy season.
Additionally, the wide surface area of the reservoir leads to low natural water circulation, creating challenges for traditional submersible pump cooling.
Key Challenges
The client faced several operational challenges:
- Frequent water level fluctuations between dry and rainy seasons
- Insufficient water flow around the motor affecting heat dissipation
- Risk of motor overheating in stagnant water zones
- Need for continuous operation without seasonal repositioning
- High maintenance workload with existing pumping systems
Engineered Pump Solution
After a detailed site evaluation, SLAPK Pump Engineering Team recommended a horizontal submersible well pump with an integrated cooling jacket, specifically designed for large open water bodies and stable long-term operation.
Reservoir Pumping Solution in Southeast Asia
Pump Specifications
The pump system was customized to match the project’s operating requirements:
| Parameter | Value |
| Pump Type | Horizontal Submersible Well Pump with Cooling Jacket |
| Rated Flow | 800m³/h |
| Rated Head | 145m |
| Power | 560kW |
Application Scenario
The pump is installed horizontally in a large reservoir that supplies water for agricultural irrigation and nearby industrial facilities.
Unlike vertical submersible pumps that rely on surrounding water flow for cooling, this horizontal model uses an integrated cooling jacket to maintain optimal motor temperature — even in areas of the reservoir where water movement is minimal.
The horizontal configuration also provides greater stability when water levels drop during dry periods, ensuring continuous operation without the need for repositioning.
During the rainy season, when water levels rise quickly, the submersible design eliminates the need to move or protect the pump — it remains fully operational underwater without intervention.
Solution Advantages
Unaffected by Water Level Changes
The submersible design allows the pump to operate regardless of fluctuating water levels. During flood season, it stays in place; during low water periods, the horizontal orientation ensures stable performance.
Cooling Jacket for Large Water Bodies
In reservoirs, ponds, or other large open water areas where natural circulation is limited, the integrated cooling jacket protects the motor from overheating — extending equipment life and enabling continuous operation.
Horizontal Configuration for Stability
The horizontal design offers a lower profile and better stability compared to vertical pumps when water levels recede, reducing the risk of intake issues or pump instability.
With no need for frequent repositioning during seasonal changes and reliable thermal management, the pump requires minimal on-site attention — a key advantage for remote or large-scale installations.
Built for Clean Water Applications
The pump is engineered for use in clean water or low-sand-content rivers, making it ideal for reservoirs, irrigation ponds, and industrial water storage.
Project Result
Following installation, the horizontal submersible well pump with cooling jacket has been operating continuously through multiple seasonal cycles. The client reports stable flow performance, no motor overheating issues, and significantly reduced maintenance labor compared to their previous equipment.
The system successfully meets the site’s water supply demands during both flood season and dry periods, demonstrating the reliability of the horizontal submersible design in challenging reservoir conditions.
Need a Pump Solution for Your Reservoir or Flood-Prone Site?
If you’re facing water level fluctuations, large open water bodies, or the need for a low-maintenance pumping solution, our horizontal submersible well pumps with cooling jackets are designed for exactly these conditions.
[Contact us] to discuss your project specifications.
