Experience unparalleled efficiency and performance with the IH end-suction pump, a marvel of engineering crafted for excellence. This single-stage, single-suction (axial suction) cantilever centrifugal pump is meticulously designed to handle corrosive liquids with water-like viscosity, all without solid particles. It adheres to the esteemed international standards of ISO2858, promising you a broad spectrum of performance capabilities, significantly enhanced efficiency, and seamless maintenance. On average, it offers a remarkable 5% increase in efficiency over the F-type pump, heralding it as a leading energy-saving solution on the global stage.
Engineered for versatility, the IH chemical pump operates within a transmission medium temperature range of -20 ºC ~ 105 ºC. With advanced cooling measures, it can accommodate even higher temperatures, making it an ideal choice for industries such as chemical, petroleum, metallurgy, electric power, paper, food, pharmaceuticals, and synthetic fibers. It's perfectly suited for transporting a variety of corrosive media similar to water, ensuring no pollution and utmost reliability.
Main Design Features
Built to excel under pressure, this pump is equipped with flanges accommodating high-pressure applications in PN 10 and PN 16.
Embrace the convenience of our 'Back pull-out' design, which allows the hydraulic components to be removed effortlessly without the need to disconnect the pump body from the plant pipes, streamlining maintenance procedures.
The dynamically balanced closed impeller is expertly crafted to minimize radial loads, ensuring the impeller's smooth rotation and optimal performance.
Our uniquely designed suction profile significantly reduces NPSH, providing trouble-free operation even under the most demanding conditions.
The robust stainless steel shaft is engineered to endure both bending and torsion loads, delivering unmatched strength and durability.
Equipped with oversized ball bearings, this pump offers reduced operational noise and an extended service life, promising reliability you can count on.
Choose from a vast selection of mechanical seals or gland packings (SES), all configured to meet the specific requirements of your fluid characteristics and operational conditions, ensuring a perfect fit for your needs.
Pump Speed |
1450 and 2950rpm; |
Motor Voltage |
380V/415V, 3.3KV, 6KV and 10KV; |
Caliber |
50-400mm;(flange dimensions conform GB/T17241.6-1998) |
Flow range |
6-1000m3 / hr |
Head range |
6-130m; |
Temperature range |
Medium maximum temperature ≤170'C, ambient temperature ≤60'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 |
29 basic types, of which 22 pairs speed (1450rpm, 2900rpm) through A, B with two forms of the impeller diameter cutting variants, reaching 112 specifications. |
In our state-of-the-art design, the axial thrust is expertly balanced with precision-crafted wear rings positioned both at the front and the rear of most impellers. This ensures optimal performance and longevity. For certain pumps where axial thrust is inherently minimal, the advanced design eliminates the necessity for a rear wear ring and balance hole, streamlining the system.
Our high-precision casting impeller guarantees superior performance. Available in premium materials such as cast iron, stainless steel, and bronze, these impellers offer unparalleled durability and efficiency.
The innovative packing pump cover, equipped with high-quality stuffing, is designed for a soft packing seal. This system allows for the strategic passage of water under controlled pressure, providing essential cooling, lubrication, and cleaning for optimal pump performance.
Our mechanical seal options include both single and double mechanical seals, tailored to diverse needs. By introducing a regulated water flow into the seal cavity, we achieve effective surface friction rinsing and enhanced cooling. Our design flexibility allows for the integration of ISO3069 structures, offering choices like the corrugated pipe mechanical seal and expeller seal to meet specific requirements.
Flexible Couplings
Flexible couplings, unlike their rigid counterparts, are ingeniously designed to accommodate movements such as vibrations and thermal expansions without incurring damage. This adaptability makes them perfect for scenarios involving unavoidable misalignment between the drive and pump shafts. Additionally, their superb vibration absorption capabilities help to significantly reduce operational noise. While their sophisticated design may come with higher initial costs, the protection they offer against shaft and bearing damage results in substantial maintenance savings over time.
Our selection includes robust wear-resisting disc couplings or pin couplings, ensuring durability and efficiency.
This exceptional Heavy-Duty Surface Pump with Electric Motor and Mechanical Seal by Shanghai Semhai Pump Co., Ltd. is designed to excel in a multitude of demanding applications. Its versatility makes it indispensable in urban water supply and drainage, efficiently managing central heating systems, and supporting intricate drainage operations. Whether serving the dynamic needs of iron and steel metallurgy companies or facilitating smooth operations in oil refineries or paper mills, this pump stands as a cornerstone of reliability. It is an asset to the oil industry, power plants, and even airport construction projects. The pump’s robust performance extends to chemical plants, textile mills, and sugar mills, ensuring seamless operation in diverse environments. Moreover, it plays a pivotal role in power plant drainage and mining operations, proving its efficiency in consumer drainage systems. The pump's application in air conditioning systems highlights its ability to support precise water supply requirements. Agricultural irrigation and drainage are also effortlessly handled by this powerhouse, making it a vital component in various water projects. When excellence and durability are paramount, the Heavy-Duty Surface Pump rises to meet and exceed expectations, making it the perfect choice for industries worldwide.
Professional Cooperation Agencies
Our esteemed company, Shanghai Semhai Pump Co., Ltd., has proudly forged enduring partnerships with prestigious domestic pump-testing institutions, ensuring unparalleled quality and reliability. Among the elite collaborators are:
The esteemed National Quality Supervision and Inspection Center of Industrial Pumps located in the bustling Tiexi District of Shengyang city,
The distinguished Irrigation Machinery Products Quality Inspection Center of Machinery Industrial, nestled in the heart of Zhenjiang City,
The renowned Ministry of Agriculture, Water Pump Quality Supervision and Testing Center, based in the vibrant city of Chongqing,
And the prestigious Shanghai Mechanical and Electrical Products Quality Inspection Center, seamlessly operating in the dynamic Shanghai city, among others.