The IH end-suction pump is an exceptional engineering marvel, featuring a single-stage, single-suction (axial suction) cantilever centrifugal design. It is adept at conveying corrosive liquids with viscosities similar to that of water, all without solid particles. Compliant with international standards ISO2858, this pump boasts an expansive range of performance capabilities. Its high efficiency and ease of maintenance are further highlighted by an average efficiency increase of 5 percent compared to the traditional F-type pump, making it a globally recognized energy-saving solution.
The IH chemical pump is adept at managing transmission mediums within the temperature range of -20 ºC to 105 ºC. With enhanced cooling measures, it can even handle higher temperature media. This makes it an ideal choice for various industries, including chemical, petroleum, metallurgy, electric power, paper, food, pharmaceutical, and synthetic fiber sectors. It efficiently transports all sorts of corrosive media similar to water while ensuring no pollution, making it a versatile and indispensable tool.
Main design features
Engineered for excellence, this pump is suitable for high-pressure applications, equipped with flanges in PN 10 and PN 16 to ensure robust performance under demanding conditions.
The ingenious "Back pull-out" design allows for the seamless removal of hydraulic components without detaching the pump body from the plant pipes, ensuring minimal disruption and maximum efficiency.
The dynamically balanced closed impeller is crafted to minimize radial loads, ensuring smooth and consistent rotation, thereby enhancing the overall pump performance.
The expertly designed suction profile is tailored to reduce NPSH, ensuring trouble-free operation even in the most demanding conditions, providing unparalleled reliability.
The stainless steel shaft is meticulously designed to withstand significant bending-torsion loads, ensuring durability and robust performance over time.
Oversized ball bearings are incorporated to significantly reduce operational noise, while promising an extended service life for the pump, ensuring peace of mind and reliability.
A vast selection of mechanical seals or gland packings (SES) is available, configured precisely according to the fluid characteristics and usage conditions, ensuring adaptability and optimal performance in varied environments.
| 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. |
To expertly balance axial thrust, our design includes strategically placed wear rings both at the front and back of most impellers, with a precision-engineered balance hole located on the back shroud. For pumps with minimal axial thrust, a streamlined design may omit the back wear ring and balance hole, optimizing performance and efficiency.
Our high-precision casting impeller guarantees exceptional performance and reliability, crafted from top-quality materials including cast iron, stainless steel, and bronze. This meticulous casting process ensures each impeller meets stringent standards for durability and efficiency.
The packing pump cover is ingeniously equipped with stuffing designed for a soft packing seal. This advanced design allows a controlled flow of water to enter the stuffing area, providing essential seal cooling, lubrication, and cleaning, thereby enhancing longevity and operational efficiency.
Our pumps feature versatile sealing solutions with options for single and double mechanical seals. These seals admit water under precise pressure into the seal cavity, efficiently rinsing the end surface and providing crucial cooling. Additionally, our designs comply with ISO3069 standards, accommodating various structures like mechanical seals with corrugated pipes and expeller seals, tailored to specific client needs.
Flexible couplings
Flexible couplings provide a sophisticated solution over rigid alternatives by accommodating slight movements such as vibrations and thermal expansion. Ideal for applications with inevitable misalignment between drive and pump shafts, they effectively absorb vibrations, significantly reducing operational noise. Though their design is complex and costlier, the protection they offer to shafts and bearings from damage and premature wear results in substantial maintenance savings over time.
Our commitment to durability is evident in the use of wear-resistant disc or pin couplings, ensuring reliable performance even in demanding conditions.
Our groundbreaking Heavy-Duty Horizontal Centrifugal Pump with Electric Motor Drive is the unrivaled choice across a vast array of industries, demonstrating exceptional versatility. It serves as a key asset in urban water supply and drainage, providing seamless efficiency in both municipal and central heating systems. As a trusted partner to iron and steel metallurgy companies, it supports high-demand processes with unwavering reliability. In oil refineries and paper mills, this pump ensures smooth operational flow, while its application in power plants and airport construction highlights its robust capabilities. Additionally, the pump plays a pivotal role in chemical plants, textile mills, and sugar mills, optimizing processes and enhancing productivity. Its adaptability extends to diverse water projects, making it indispensable in agricultural irrigation, air conditioning systems, and comprehensive drainage solutions. Discover the remarkable performance and adaptability of our centrifugal pump, perfectly engineered for diverse industry demands.
Professional Cooperation Agencies
Shanghai Semhai Pump Co., Ltd. has forged enduring partnerships with numerous esteemed domestic pump-testing institutions. These collaborations ensure that our products meet the highest standards of quality and reliability. Notable affiliations include:
The prestigious National Quality Supervision and Inspection Center of Industrial Pumps located in Tiexi District, Shenyang City,
The renowned Irrigation Machinery Products Quality Inspection Center of Machinery Industry situated in Zhenjiang City,
The esteemed Ministry of Agriculture's Water Pump Quality Supervision and Testing Center based in Chongqing City,
And the distinguished Shanghai Mechanical and Electrical Products Quality Inspection Center, located right here in Shanghai City, among others.
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