The SOW series is a masterpiece among horizontal single-stage split-casing double-suction centrifugal pumps, representing the pinnacle of modern pump design. With its perfectly crafted spectrum and an array of remarkable models, this pump promises extraordinary performance and an innovative, robust structure. Effortless maintenance and longevity are hallmarks of the SOW series, which currently boasts 46 models and an impressive 390 basic specifications. Featuring prime and modified impellers along with cutting-edge technology, these pumps deliver a comprehensive range of high efficiency and superior performance, tailored precisely to meet user demands at any stage of operation. Meticulously manufactured under stringent quality controls, this series achieves a domestic leading standard, adhering to ISO2548C, GB3216C, and GB/T5657 standards.
Designed with a double-suction impeller, this pump masterfully minimizes axial force, ensuring optimized performance through CAD hydraulic modeling. The inclusion of a prototype impeller, alongside options for modified impellers, allows adaptation to diverse working conditions, enhancing overall efficiency and functionality.
Ingeniously crafted with a double volute form, the pump significantly reduces radial force, leading to minimal bearing stress and prolonged lifespan. Its installation is a breeze, with automatic pump cover calibration and flexibility in configuring the motor and pump pipeline positions to fit user site requirements. Experience smooth, swirl-free pump operation with minimal losses, thanks to precision casting that results in a seamlessly smooth pump casing and impeller surface, offering unparalleled anti-cavitation properties and outstanding efficiency.
| Pump Speed |
298,372,490,585,740,990,1480 and 2950rpm; |
| Motor Voltage |
380V/415V, 3.3KV, 6KV and 10KV; |
| Caliber |
80-1600mm;(flange dimensions conform GB/T17241.6-1998) |
| Flow range |
68-30000m3 / hr |
| Head range |
6-230m; |
| Temperature range |
Medium maximum temperature ≤80'C, ambient temperature ≤40'C; |
| Maximum operating pressure (inlet pressure + pump pressure) |
1.0Mpa (G) (Hsp75m) or 1.6Mpa (G) (Hsp75m);Special configuration of up to 2.5Mpa (G); |
| Transmission medium |
Water or other liquids physical and chemical properties similar to water; |
| Seal plumbing parts |
No installment when inlet pressure above 0.03Mpa (G) |
| Structural Design |
Single-stage double-suction volute axial centrifugal pump, horizontal installation, driver (motor or engine) may be set on the left or right side of the pump (ie, outlet-oriented, the driver is counterclockwise in the left side, clockwise in the right side). |
Between-the-Bearings: Split-Case Pumps – This highly efficient design, known as 'between-the-bearings,' meticulously mounts the impeller on a shaft embraced by robust bearings on both sides. Such an innovative setup ensures that your pump delivers exceptional stability and performance.
Double-Suction Impeller: Uniquely, split-case pumps are the prevalent type boasting a double-suction impeller. This sophisticated design greatly reduces the load on bearings compared to single-suction impellers, providing a more balanced and efficient operation.
High-Precision Casting Impeller: Our high-precision casting impeller guarantees optimal performance. Crafted from premium materials such as cast iron, stainless steel, and bronze, it stands as a testament to enduring quality and superior functionality.
Packing Seals: For decades, packing seals have dominated as the go-to sealing solution. These seals, crafted from rope-like materials, snugly wrap the pump shaft, efficiently filling in dead spaces and minimizing fluid loss. However, be aware that over time, wear may increase fluid loss and may require more frequent maintenance and lubrication.
Mechanical Seals: In various applications where leakage must be absolutely minimized, mechanical seals triumph over traditional packing seals. Renowned for their durability, these seals feature advanced designs with multiple sealing points, virtually eradicating any leakage issues and ensuring robust, long-lasting protection.
Versatile Flexible Couplings
Ingenious Flexible Couplings: Unlike their rigid counterparts, flexible couplings can gracefully accommodate movement such as vibrations and thermal expansion, without suffering damage. Ideal for scenarios involving slight misalignment between drive and pump shafts, they also adeptly reduce operating noise. Although they come with a more intricate and potentially costly design, their ability to safeguard shafts and bearings from premature wear results in significant maintenance savings.
Premium Wear-Resisting Disc or Pin Couplings Utilized
This high-performance pump is your ultimate solution for a wide array of demanding applications! Our Durable Diesel Engine Horizontal Water Pump is expertly engineered for fire fighting applications, and it seamlessly integrates into urban water supply and drainage systems, ensuring reliability and efficiency. From central heating systems to robust support in steel and metallurgy industries, this pump excels in maintaining operational fluidity. A trusted choice for oil refineries, paper mills, and power plants, it's the go-to option for smooth operations in airports, chemical plants, textile mills, and sugar mills. With its versatility, it is indispensable in plant mines consumer drainage systems, air conditioning water supply systems, and agricultural irrigation. Whether it’s for urban infrastructure or agricultural innovation, this pump is synonymous with superior performance across various demanding water projects.
Professional Cooperation Agencies
Shanghai Semhai Pump Co., Ltd. has cultivated enduring partnerships with several prestigious domestic pump-testing institutions, such as:
The National Quality Supervision and Inspection Center of Industrial Pumps, located in Tiexi District, Shenyang City,
The Irrigation Machinery Products Quality Inspection Center of Machinery Industry, based in Zhenjiang City,
The Ministry of Agriculture's Water Pump Quality Supervision and Testing Center, situated in Chongqing City,
The Shanghai Mechanical and Electrical Products Quality Inspection Center in Shanghai City, among others.
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