Introducing the SOW Series Horizontal Single-Stage Split-Casing Double-Suction Centrifugal Pump, a pinnacle of engineering excellence that marks the latest evolution in split-casing double-suction pumps. This cutting-edge pump is celebrated for its impeccable spectrum, superior design, and unmatched performance. It features an innovative and dependable structure, ensuring effortless maintenance and an extended lifespan. Our advanced SOW pump lineup boasts 46 models and an impressive 390 basic specifications. With the use of both prime and modified impellers, as well as a cutting-edge type, this pump covers a comprehensive spectrum, offering high efficiency and a vast performance range. It is perfectly tailored to meet any user's requirements across various flow rates and head conditions. Meticulously crafted with rigorous quality control, this product has achieved a leading position domestically. This exceptional series complies with ISO2548C, GB3216C, and GB/T5657 standards.
Equipped with a double-suction impeller, this pump minimizes axial force for optimal efficiency. Utilizing a CAD hydraulic model, it achieves exceptional performance through optimized design. The inclusion of a prototype impeller, alongside a specially modified impeller, ensures adaptability to diverse working conditions, significantly boosting efficiency.
Engineered for durability, the pump features a dual volute design to minimize radial force, reduce bearing stress, and extend operational life. Installation is a breeze with automatic pump cover calibration. The motor and pump's inlets and outlets can be reconfigured to suit site-specific user needs. With a swirl-free, smooth operation, the pump exhibits minimal loss. Precision casting ensures the pump casing and impeller surfaces are exceptionally smooth, delivering remarkable anti-cavitation performance 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 Mastery: The split-case pumps are ingeniously designed as 'between-the-bearings' marvels. This sophisticated architecture entails the mounting of the impeller on a shaft, robustly supported by bearings on both sides. Such a design ensures enhanced stability and performance.
Revolutionary Double-Suction Impeller: Among common pump types, split-case pumps stand out with their innovative double-suction impeller. This remarkable feature significantly reduces the load on bearings, unlike traditional single-suction designs, by drawing water symmetrically from both sides of the impeller.
Precision-Engineered Casting: Our high-precision casting impeller is the epitome of excellence, guaranteeing optimal performance. Available in premium materials such as cast iron, stainless steel, and bronze, it embodies strength and durability.
Packing Seals: Traditional Yet Evolving - For years, packing seals have been the cornerstone of sealing solutions, utilizing rope-like materials to envelop the pump shaft, minimizing fluid loss by filling dead spaces. However, as these materials wear, fluid loss may increase, potentially affecting lubrication and ease of replacement, crucial for proper functionality.
Advanced Mechanical Seals: In the world of sealing technology, mechanical seals reign supreme, preferred in diverse applications where leakage is not an option. These seals, surpassing traditional packing seals, feature robust constructions with multiple sealing points, virtually eradicating leakage concerns while enduring greater operational demands.
Versatile Flexible Couplings
Flexible Couplings: Forging a Dynamic Connection - Unlike their rigid counterparts, flexible couplings excel in accommodating movements such as vibrations and thermal expansions without incurring damage. Perfect for scenarios with unavoidable misalignment between drive and pump shafts, they adeptly absorb vibrations, reducing operational noise. Though complex and costly, they offer significant maintenance savings by protecting shafts and bearings from damage and premature wear.
Utilization of Durable Disc or Pin Couplings: We employ wear-resistant disc or pin couplings, ensuring reliability and longevity in our assemblies.
This versatile and indispensable product finds its application in a multitude of sectors: from urban water supply and drainage systems to central heating networks, this pump is essential. It's a trusted choice for iron and steel metallurgy companies, oil refineries, and paper mills. The pump also powers operations in oil and power plants, airport construction, chemical plants, textile and sugar mills, and more. Its efficient design caters to consumer drainage systems in mines, air conditioning water supplies, as well as agricultural irrigation and drainage. Whether it’s for various water projects or sophisticated industrial applications, our product stands as a cornerstone of reliability and performance.
Professional Cooperation Agencies
Our company proudly maintains enduring partnerships with a diverse array of esteemed domestic pump-testing authorities. These strategic alliances enhance our product quality and credibility, ultimately delivering the highest standards to our clientele. Notable collaborations include:
The prestigious National Quality Supervision and Inspection Center of Industrial Pumps, located in Tiexi District, Shengyang City, a hub for rigorous quality assurance.
The esteemed Irrigation Machinery Products Quality Inspection Center of Machinery Industrial, situated in Zhenjiang City, known for its thorough testing protocols.
The highly regarded Ministry of Agriculture, Water Pump Quality Supervision and Testing Center, located in Chongqing City, offering advanced agricultural pump assessments.
The acclaimed Shanghai Mechanical and Electrical Products Quality Inspection Center, based in Shanghai City, providing top-tier evaluations of mechanical and electrical products.
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