Versatile Electric Motor Driven Double-Suction Pump for Flood Management

• Customization: Available
• After-sales Service: Online After-Sale Service
• Warranty: 12 Months
• Model NO.: SOW250-390
• Max.Head: >150m
• Max.Capacity: >400 L/min
• Driving Type: Motor
• Impeller Number: Single-Stage Pump
• Working Pressure: Middle Pressure Pump
• Influent Type of Impeller: Double-Suction Pump
• Position of Pump Shaft: Horizontal Pump
• Pump Casing Combined: Horizontal Split Pumps
• Mounting Height: Suction Centrifugal
• Impeller: Closed
• Usage: Pumps, Condensate Pump, Circulating Pump
• Material: Cast Iron, Stainless Steel, Bronze
• Driver: Electric Motor, Diesel Engine
• Seal: Mechanical Seal, Packing Gland Seal
• Coupling: Flexible Pin/Diaphragm
• Transport Package: Plywood Case
• Specification: 4000*1700*2300mm
• Trademark: SEMHAI
• Origin: China
• HS Code: 8413709990
• Production Capacity: 100000sets/Year
• Package Size: 220.00cm * 190.00cm * 190.00cm
• Package Gross Weight: 2200.000kg

Product Description

Product Description

Introducing the SOW series, a marvel of engineering excellence in the realm of horizontal single-stage split-casing double-suction centrifugal pumps. This latest generation pump stands out with its impeccable spectrum, superior design, and remarkable performance. Engineered with an innovative and dependable structure, it promises effortless maintenance and an extended lifespan. Our SOW pump family comprises 46 models and an impressive 390 basic specifications. Harnessing the power of both prime and modified impellers, along with cutting-edge technology, it offers a comprehensive spectrum of high efficiency and outstanding performance. Tailored to meet every user's unique demands in terms of flow and head, this product epitomizes domestic leadership through meticulous manufacturing and stringent quality control. Proudly adhering to ISO2548C, GB3216C, and GB/T5657 standards, this series sets a new benchmark in the industry.

Featuring a double-suction impeller, our pump is designed to minimize axial force, ensuring superior performance and reliability. Utilizing a state-of-the-art CAD hydraulic model, the design is optimized for optimal performance. The pump is versatile, equipped with a prototype impeller and adaptable modified impellers to cater to diverse operational conditions, thereby enhancing efficiency significantly.
Our pump is masterfully crafted with a double volute form to strategically reduce radial force, ensuring minimal bearing stress and extending the pump's lifespan. Its design facilitates easy installation and automatic calibration of the pump cover. The pump's adaptable structure allows for the relative positioning of motor and pump pipelines to be modified based on user site requirements. With a swirl-free inlet, the pump delivers smooth operation and minimal loss. Precision casting imparts a sleek and smooth finish to the pump casing and impeller surfaces, bestowing them with excellent 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).

Detailed Photos

 

Between-the-bearings Design: The split-case pumps, under the 'between-the-bearings' category, showcase an engineering marvel. These pumps are meticulously crafted to mount the impeller on a robust shaft supported by bearings on both sides. This design ensures stability, smooth operation, and longevity, enhancing overall performance.

Innovative Double-Suction Impeller: Unique to split-case pumps, the double-suction impeller offers unmatched efficiency. By drawing water from both sides, it significantly reduces the load on bearings compared to single-suction designs. This not only enhances durability but also optimizes the pump's performance in demanding scenarios.

High-Precision Casting: Our impellers, crafted with precision casting techniques, guarantee superior performance and reliability. Choose from materials like cast iron, stainless steel, or bronze to meet the specific needs of your operations, ensuring both strength and corrosion resistance.

 

Traditional Packing Seals: Packing seals, a staple in sealing solutions, utilize rope-like materials to envelop the pump shaft, minimizing fluid loss by filling dead space. Although effective initially, they may wear over time, leading to increased fluid loss and potentially affecting lubrication and replacement efficiency.

Advanced Mechanical Seals: Favored in diverse applications where leakage must be minimized, mechanical seals surpass traditional packing seals in durability and reliability. With multiple sealing points, they are engineered to withstand rigorous conditions, virtually eliminating leakage and ensuring superior performance over time.

 

Flexible Couplings for Enhanced Performance
Flexible Couplings: Unlike their rigid counterparts, flexible couplings are the epitome of adaptability, handling vibrations and thermal expansions effortlessly without incurring damage. Ideal for situations with inevitable misalignment, they not only protect shafts and bearings but also significantly reduce noise, offering long-term maintenance benefits despite their complex design.

Durable Coupling Solutions: We offer resilient wear-resisting disc couplings or pin couplings, tailored to provide enduring performance and reliability in challenging environments.

Product Application

This innovative and highly efficient product is extensively employed across a multitude of critical and diverse applications. It serves as a cornerstone in urban water supply and drainage systems, ensuring seamless and reliable water distribution. Its versatility extends to central heating systems, where it plays a pivotal role in maintaining optimal temperatures and efficient drainage. Industries such as iron and steel metallurgy, refineries, and paper mills benefit immensely from its dependable performance. Additionally, it meets the rigorous demands of oil and power plants, providing essential support in operations and construction projects, including airports. In the realm of chemicals, textiles, and sugar production, this pump ensures smooth and uninterrupted processes. Furthermore, it delivers excellence in plant mine drainage systems, air conditioning water supply, and agricultural irrigation. Its multifaceted capabilities make it an indispensable asset in various water management projects, enhancing both efficiency and productivity in a wide array of settings.

Facilities & Equipments

 

Professional Cooperation Agencies
Shanghai Semhai Pump Co., Ltd. proudly boasts a robust network of professional partnerships, having cultivated enduring relationships with several prestigious domestic pump-testing institutions. Our collaborations are characterized by a commitment to excellence and an unwavering pursuit of innovation.
These partnerships include esteemed organizations such as the National Quality Supervision and Inspection Center of Industrial Pumps, located in the vibrant Tiexi District of Shengyang city,
the Irrigation Machinery Products Quality Inspection Center of Machinery Industrial, situated in the dynamic city of Zhenjiang,
the Ministry of Agriculture's renowned Water Pump Quality Supervision and Testing Center in the bustling city of Chongqing,
and the distinguished Shanghai Mechanical and Electrical Products Quality Inspection Center, right in the heart of Shanghai. Together, these alliances fortify our commitment to delivering superior quality solutions.