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Understanding the OTS(R) Centrifugal Pump
The OTS(R) high-efficiency single-stage double suction centrifugal pump is an optimized and improved product developed based on the classic S and SH pump series by Shanghai Pump Manufacturing Co., Ltd. Designed for reliable fluid transfer, this pump integrates advanced hydraulic technology and robust construction, making it a benchmark for efficiency and stability in the centrifugal pump category. It specializes in transporting clean water or liquids with physical and chemical properties similar to water, free of solid particles, and operates safely at medium temperatures below 120°C. As a core product in the industrial pump market, the OTS(R) pump stands out for its energy-saving performance and wide applicability, catering to both municipal and industrial fluid handling needs. Specifications | Details |
Sizes (Pump Outlet Diameter) | 65-1400mm |
Capacity | 60-22700m³/h |
Head | 8-220m |
Speed | 490-3600r/min |
Medium Temperature | ≤120°C |
Material Options | HT250, QT450, ZG230-450, 304, 316L, 2205, etc. |
At the heart of the OTS(R) pump lies an optimized high-efficiency hydraulic model. This design maximizes fluid dynamic performance, reducing energy loss during operation and achieving outstanding energy-saving results. Compared to traditional pumps, it consumes less power while delivering superior flow and head, making it a cost-effective choice for long-term use.
The pump features a double suction impeller with staggered blade arrangement. This innovative design balances axial force, minimizes vibration, and ensures low pressure pulse during operation. The staggered blades enhance fluid intake efficiency, preventing cavitation and extending the impeller’s service life, while maintaining stable pressure output for consistent system performance.

Equipped with imported brand maintenance-free bearings, the OTS(R) pump eliminates the need for frequent lubrication and adjustments. These bearings offer exceptional wear resistance and high load-bearing capacity, ensuring smooth operation even in continuous working conditions and significantly reducing maintenance costs and downtime.
The integration of high-quality mechanical seals guarantees leak-proof performance. These seals are designed to withstand the pump’s operating pressure and temperature range, preventing fluid leakage and protecting the pump’s internal components from corrosion. The reliable sealing system enhances the pump’s overall durability and operational safety.
The OTS (R) high-efficiency single-stage double suction centrifugal pump can be used to transport clean water or other liquids with physical and chemical properties similar to clean water that do not contain solid particles below 120 degrees Celsius. The application scope is extremely broad, it can be widely used in urban water supply, floor water supply, building and industrial fire protection, central air conditioning circulation, engineering system circulating cooling water supply, boiler water supply, industrial water supply and drainage, water conservancy irrigation, etc. It is particularly suitable for water plants, power plants.steel mils, chemical plants, paper mils, airports, water conservancy projects, irrigation area water supply, etc. Different materials (HT250, QT450.ZG230-450,304, 316L. 2205, etc,) can be configured according to the properties of the medium. Widely adopted in power plants, steel mills, chemical plants, and paper mills, the OTS(R) pump handles boiler water supply, industrial water supply, and drainage tasks. Its versatile material options allow it to adapt to different industrial media, ensuring compatibility with various production processes.
Perfect for central air conditioning circulation and engineering system circulating cooling water supply, the pump maintains consistent fluid flow to regulate temperature in large buildings, factories, and airports. It ensures efficient heat exchange and energy conservation in HVAC systems.
A trusted choice for water conservancy projects and irrigation area water supply, the pump provides sufficient flow and head to support agricultural irrigation and water resource management. It is also suitable for large-scale water transfer projects, meeting the demands of water distribution in irrigation districts.

The OTS(R) pump boasts a reasonable structure that simplifies installation, disassembly, and maintenance. The compact design optimizes space utilization, while the balanced weight distribution reduces installation complexity. The pump’s modular construction allows for easy replacement of components, enhancing operational flexibility.
With a wide spectral range of sizes (65-1400mm) and capacity (60-22700m³/h), the pump can be customized to meet diverse application requirements. Whether for small-scale building projects or large industrial facilities, there is an OTS(R) model tailored to specific flow and head needs.
Offering multiple material combinations (HT250, QT450, ZG230-450, 304, 316L, 2205), the pump adapts to different medium properties. Corrosion-resistant materials like 316L and 2205 are ideal for handling corrosive liquids, while HT250 and QT450 suit general water transfer, ensuring longevity in various working environments.
The pump is designed to transport clean water or liquids with physical and chemical properties similar to water, free of solid particles. For corrosive or special media, select appropriate corrosion-resistant materials from the available options.
The OTS(R) pump can safely handle media with temperatures up to 120°C, making it suitable for most industrial and municipal hot water transfer applications.
Thanks to maintenance-free bearings and reliable mechanical seals, the pump requires minimal maintenance. Routine inspections of seals and connections are recommended, but frequent lubrication or component replacement is not necessary.
Yes, with its wide capacity range (60-22700m³/h) and head (8-220m), the pump is perfectly suited for large-scale industrial projects such as power plants, steel mills, and chemical plants, as well as large municipal water supply systems.
Select materials based on the medium’s properties: use HT250/QT450 for clean water; 304/316L for slightly corrosive liquids; and 2205 for highly corrosive or abrasive media. Consult our technical team for personalized recommendations.
With its high-efficiency performance, stable operation, and wide applicability, the OTS(R) high-efficiency single-stage double suction centrifugal pump is the preferred solution for fluid transfer needs across industries. Whether for municipal services, industrial production, or water conservancy projects, it delivers reliable, energy-saving results that meet the most demanding requirements.