Introducing the SOW Series: A horizontal, single-stage, split-casing, double-suction centrifugal pump that stands as the epitome of modern engineering excellence. This latest generation marvel showcases a perfect spectrum of advanced models delivering outstanding performance. Our SOW pump boasts a remarkable 46 models and 390 basic specifications, each meticulously designed for exceptional reliability and longevity. Utilizing both the prime and modified impellers, alongside cutting-edge technology, this series offers a broad-based spectrum ensuring high efficiency and tailored performance for diverse operational demands. Achieving the pinnacle of quality through precise manufacturing and stringent quality control, the SOW series meets and exceeds ISO2548C, GB3216C, GB/T5657 standards, establishing a domestic benchmark in pump technology.
Equipped with a double-suction impeller, the design minimizes axial force, ensuring stability and longevity. The integration of a CAD-optimized hydraulic model enhances design efficiency and performance. With the option to employ a prototype or modified impeller, this pump adapts seamlessly to varying operational conditions, maximizing efficiency and reliability.
Engineered with precision, the pump features a double volute form that adeptly reduces radial force, prolonging bearing life and enhancing durability. Its user-friendly design allows for easy installation and automatic calibration of the pump cover. The adaptable configuration caters to user-specific site requirements by allowing the relative position of motor and pump inlets and outlets to be adjusted. With smooth, swirl-free pump inlets, and precision-cast surfaces, the SOW Series promises low operational loss, excellent anti-cavitation performance, and unmatched 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: Discover the engineering marvel of split-case pumps, renowned for their 'between-the-bearings' design. This innovative approach mounts the impeller on a shaft, elegantly supported by bearings on both sides, ensuring stability and precision in every operation.
Double-Suction Impeller: Experience the uniqueness of split-case pumps, the only common pump type that boasts a double-suction impeller. This sophisticated design imposes significantly fewer loads on bearings, compared to single-suction impellers that draw water from one side, ensuring exceptional performance and longevity.
Our high-precision casting impeller promises unmatched performance, crafted meticulously from premium materials like cast iron, stainless steel, and bronze, ensuring reliability and durability across applications.
Packing Seals: Traditionally celebrated, packing seals have been the cornerstone of sealing solutions, utilizing rope-like materials to envelop the pump shaft, reducing fluid loss. Yet, as wear progresses, this could impact lubrication and replacement efficiency. Our advanced designs counteract these challenges, offering enhanced longevity and performance.
Mechanical Seals: Embrace the future with mechanical seals, our superior choice for applications where leakage is non-negotiable. These modern marvels outshine traditional packing seals, employing multiple sealing mechanisms to virtually eliminate leakage, offering robust durability and steadfast reliability.
Flexible Couplings: The Versatile Connectors
Flexible Couplings: Unlike their rigid counterparts, flexible couplings gracefully accommodate movement, such as vibrations and thermal expansion, without incurring damage. Perfect for applications with inherent misalignment, they excel in absorbing vibrations, minimizing noise, and preventing premature wear, ensuring long-term maintenance savings despite their intricate design.
Our choices include wear-resisting disc coupling or pin coupling, tailored for maximum performance and longevity.
Our cutting-edge Reliable Water Pump with Stainless Steel is engineered for excellence and is a versatile solution for a multitude of water management needs. This exceptional product finds its applications across a broad spectrum of industries. It plays a pivotal role in urban water supply and drainage, ensuring a seamless flow of water in bustling cities. Its reliability is trusted in central heating systems, contributing to efficient heat distribution and drainage in metropolitan areas. Our water pump is indispensable in the operations of iron and steel metallurgy companies and oil refineries, where durability and precision are paramount. It supports the intricate processes in paper mills, oil industries, and power plants, where consistent water supply is a necessity. The product is crucial in the development of critical infrastructure, including airport construction, where it ensures that all systems are optimally hydrated. In chemical plants, textile mills, sugar mills, and other industrial settings, our water pump is a cornerstone of operational efficiency, providing robust drainage and water circulation. It is a key component in plant mine consumer drainage systems and is vital for air conditioning systems that rely on steady water supply. For agricultural irrigation, drainage, and a variety of water projects, our Reliable Water Pump stands as the ideal choice, offering unmatched performance and reliability.
Professional Cooperation Agencies
Shanghai Semhai Pump Co., Ltd. has forged a prestigious and enduring partnership with numerous eminent domestic pump-testing institutions. These collaborations underscore our commitment to quality and innovation:
National Quality Supervision and Inspection Center of Industrial Pumps, located in Tiexi District, Shenyang City.
Irrigation Machinery Products Quality Inspection Center of Machinery Industrial, based in Zhenjiang City.
Ministry of Agriculture, Water Pump Quality Supervision and Testing Center, situated in Chongqing City.
Shanghai Mechanical and Electrical Products Quality Inspection Center, positioned in the vibrant city of Shanghai, and more.