The SOW series horizontal single-stage split-casing double-suction centrifugal pump represents the pinnacle of innovation and efficiency in modern engineering. As the latest evolution in split-casing double-suction technology, this pump series boasts a harmonized spectrum, exceptional models, and unparalleled performance. Its groundbreaking, reliable structure ensures easy maintenance and an extended lifespan. With an impressive range of 46 models and 390 basic specifications, the SOW pump utilizes both prime and modified impellers to deliver a remarkable spectrum of high efficiency and performance, tailored to meet diverse user needs across various workflows and heads. Meticulously crafted and subjected to rigorous quality control, this product stands at the forefront of domestic standards, complying with ISO2548C, GB3216C, GB/T5657.
Featuring a double-suction impeller, this pump minimizes axial force, optimizing performance through innovative CAD hydraulic modeling. By incorporating a prototype impeller alongside customizable modified impellers, it adeptly adapts to varying working conditions, significantly enhancing efficiency.
Designed for durability, the pump employs a double volute construction to minimize radial force, ensuring minimal bearing strain and extended lifespan. Installation is straightforward, with automatic pump cover calibration and adaptable motor-pump pipeline positioning to fit site-specific requirements. The pump's inlet design prevents swirling, ensuring smooth operations with reduced loss. Precision casting results in an impeccably smooth pump casing and impeller surface, offering superior anti-cavitation properties and heightened 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 Design: The Reliable Split-Casing Water Pump for Irrigation and Fire Control features a sophisticated 'between-the-bearings' architecture. This ingenious design mounts the impeller on a shaft that is meticulously supported by bearings on both sides, ensuring stability and optimal performance.
Innovative Double-Suction Impeller: Our Split-Case Pumps proudly stand out as the quintessential choice with their unique double-suction impeller. This cutting-edge design imposes significantly less stress on the bearings, unlike a single-suction impeller that draws water from just one side, leading to enhanced longevity and reliability.
High-Precision Casting Impeller: Crafted with precision, the impeller guarantees superior performance. Available in robust materials such as cast iron, stainless steel, and bronze, it exemplifies durability and excellence.
Time-Tested Packing Seals: For many years, packing seals have been the go-to sealing solution, utilizing rope-like materials that envelop the pump’s shaft to minimize fluid loss. However, as time progresses, the gland packing material may wear down, potentially impairing regular lubrication or ease of replacement essential for maintaining peak functionality.
Advanced Mechanical Seals: Favorably chosen over traditional packing seals, mechanical seals excel in applications where leakage must be prevented. Renowned for their durability, they are crafted to withstand substantial wear and tear. These seals employ multiple sealing points to virtually eliminate leakage concerns, setting a new benchmark in sealing technology.
Versatile Flexible Couplings: A Revolutionary Choice
Dynamic Flexible Couplings: Unlike their rigid counterparts, flexible couplings are engineered to accommodate movement such as vibrations and thermal expansion, protecting against damage. Perfect for scenarios with inevitable misalignment between drive and pump shafts, they also excel in noise reduction by absorbing vibrations effectively. While their advanced design may be more intricate and costly, the long-term benefits of shielding shafts and bearings from damage and wear translate into significant maintenance savings.
Durable Coupling Options: We incorporate wear-resistant disc couplings or pin couplings, epitomizing strength and reliability.
The Reliable Split-Casing Water Pump from Shanghai Semhai Pump Co., Ltd. is engineered for extensive and versatile use across a myriad of industries. Its applications are vast, extending from urban water supply and drainage to central heating systems, ensuring seamless water flow and system efficiency. Esteemed sectors such as steel metallurgy, oil refineries, paper mills, and power plants benefit from its robust performance, making it an indispensable component of their operations. Furthermore, the pump proves invaluable in airport construction, chemical and textile plants, sugar mills, and plant mines' consumer drainage systems. It is a prime choice for air conditioning systems, providing consistent water supply, and is a trusted ally in agricultural irrigation and drainage tasks, as well as numerous other water management projects. For projects requiring unwavering reliability and performance, the Reliable Split-Casing Water Pump stands as the solution of choice.
Professional Cooperation Agencies: Partnering with the best, we collaborate with esteemed professional agencies to guarantee the highest standards and reliability in all our offerings.
Shanghai Semhai Pump Co., Ltd. has forged enduring partnerships with leading domestic pump-testing institutions, reinforcing our dedication to superior quality and industry leadership. Our esteemed partners include:
National Quality Supervision and Inspection Center of Industrial Pumps located in the heart of Tiexi District, Shenyang City – a beacon of excellence in pump quality assurance.
Irrigation Machinery Products Quality Inspection Center of Machinery Industrial in Zhenjiang City, renowned for stringent quality checks and leading-edge testing facilities.
Ministry of Agriculture, Water Pump Quality Supervision and Testing Center in Chongqing City, where innovation meets precision in agricultural water pump assessments.
Shanghai Mechanical and Electrical Products Quality Inspection Center in Shanghai City, a prestigious hub for meticulous quality inspections and assurance.
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