The SOW series horizontal single-stage split-casing double-suction centrifugal pump stands as the pinnacle of modern engineering in the realm of split-casing double-suction pumps. This avant-garde generation boasts an impeccable spectrum, exceptional design, and unparalleled performance, supported by a structure that is both innovative and reliable. The ease of maintenance, coupled with a remarkable lifespan, makes it a standout product. Our extensive lineup encompasses 46 models and 390 foundational specifications. Equipped with prime and modified impellers, along with cutting-edge designs, this series offers an expansive performance spectrum, ensuring optimal efficiency across the board. It adeptly fulfills user demands at any operational flow and head point. Meticulously crafted and subjected to rigorous quality controls, this product proudly leads the domestic market. Furthermore, the SOW series aligns with the stringent ISO2548C, GB3216C, and GB/T5657 standards.
Featuring a double-suction impeller designed to minimize axial force, this pump utilizes a CAD hydraulic model that optimizes design for superior performance. The addition of a prototype impeller, and the flexibility to use a modified impeller, allows adaptation to varying conditions, significantly enhancing efficiency.
Engineered with a double volute form to balance radial forces, the pump experiences minimal bearing stress, thus enhancing longevity. Installation is a breeze, with automatic calibration of the pump cover. The motor and pump configurations can be adjusted based on user site needs, ensuring seamless integration. The pump inlet operates without swirl, ensuring smooth function and minimal loss. Precision casting contributes to a smooth pump casing and impeller surface, delivering exceptional anti-cavitation capabilities and high 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 Marvel: Our split-case pumps, elegantly designed as 'between-the-bearings' wonders, feature the impeller expertly mounted on a shaft, embraced by bearings on both sides, ensuring exceptional stability and performance.
Ingenious Double-Suction Impeller: Our split-case pumps proudly showcase the only widely-used double-suction impeller, significantly reducing bearing loads compared to single-suction designs. This advanced feature enhances operational efficiency and longevity.
Impeccable High-Precision Casting: Our superior impeller, crafted with meticulous precision, guarantees optimal performance. Available in resilient materials such as cast iron, stainless steel, and bronze, it stands as a testament to durability and excellence.
Timeless Packing Seals: A legacy of reliable sealing, packing seals have long been a preferred choice, using rope-like materials that embrace the pump shaft, minimizing fluid loss. However, as gland packing material naturally wears, fluid loss may increase, affecting lubrication and ease of replacement.
Advanced Mechanical Seals: Opt for superior sealing with mechanical seals, surpassing traditional packing options. These state-of-the-art seals are built for durability, employing multiple sealing points to virtually eliminate leakage, making them ideal for critical applications.
Versatile Flexible Couplings
Dynamic Flexible Couplings: Unlike rigid counterparts, our flexible couplings gracefully accommodate movements, such as vibrations and thermal expansion, without damage. Perfect for scenarios with unavoidable misalignment, they effectively reduce noise and promise long-term maintenance savings despite a more intricate, costly design.
Durable Wear-Resisting Couplings: We incorporate robust wear-resistant disc or pin couplings, ensuring enduring performance and reliability for demanding applications.
This versatile Advanced Split-Casing Centrifugal Pump is an indispensable asset across a multitude of industries and infrastructures. Its robust design and superior performance make it the perfect choice for urban water supply and drainage, ensuring reliable water flow in central heating systems, and effectively supporting both urban water and drainage needs. Whether it's serving the rigorous demands of steel metallurgy companies, or the precise operations of oil refineries and paper mills, this pump stands out as a reliable workhorse. Seamlessly integrating into oil and power plant systems, it efficiently contributes to airport construction projects and chemical plant operations. In the textile and sugar mill sectors, this pump optimizes water management, while also being a key player in consumer drainage systems across various plant mines. Furthermore, its efficacy extends to air conditioning systems, providing essential water supply and managing agricultural irrigation. This pump is truly an all-encompassing solution for numerous water projects, adeptly handling drainage and ensuring smooth operation in diverse applications.
Professional Cooperation Agencies
Shanghai Semhai Pump Co., Ltd. prides itself on fostering robust and enduring partnerships with an array of prestigious domestic pump-testing institutions. Our collaborations are a testament to our dedication to excellence and innovation in pump technology. Prominent among these revered partners are:
The esteemed National Quality Supervision and Inspection Center of Industrial Pumps, located in Tiexi District, Shengyang City, which plays a pivotal role in ensuring the highest standards in pump quality and performance.
The renowned Irrigation Machinery Products Quality Inspection Center of Machinery Industrial, situated in Zhenjiang City, renowned for its meticulous inspection and commitment to excellence.
The distinguished Ministry of Agriculture, Water Pump Quality Supervision and Testing Center, in the vibrant city of Chongqing, recognized for its unwavering focus on agricultural pump standards.
The reputable Shanghai Mechanical and Electrical Products Quality Inspection Center, located in the bustling city of Shanghai, known for its comprehensive quality assurance measures and industry leadership.
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