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Single Suction Centrifugal Pump for Hot Water Circulation
2026-05-22 17:22
The IR Series Single Suction Centrifugal Pump for Hot Water Circulation is a high-performance single-stage, single-suction centrifugal pump specially designed for hot water transfer and circulation systems. It is developed based on international ISO standard hydraulic models and optimized structural design, ensuring stable operation, high efficiency, and long service life under high-temperature working conditions. The pump is widely used in heating systems, industrial hot water circulation, boiler water boosting, and energy system applications.
This series pump adopts a horizontal structure with a back pull-out design, which allows easy maintenance without removing the inlet and outlet pipelines. The impeller is directly connected to the motor shaft through an elastic coupling, ensuring compact structure and high transmission efficiency. The pump casing and cover are split at the rear of the impeller, which simplifies inspection and repair work and reduces downtime costs for users.
The IR hot water centrifugal pump is capable of handling medium temperatures up to 120°C or higher depending on model configuration. It is suitable for clean water and liquids with physical and chemical properties similar to water. The inlet pressure can reach up to 0.6 MPa, making it ideal for pressurized circulation systems in industrial and civil applications.
The pump body is typically made of high-quality cast iron or ductile iron, while the impeller can be designed in cast iron, bronze, or stainless steel depending on the medium requirements. The shaft is made of high-strength carbon steel or stainless steel, ensuring durability and resistance to deformation under high-speed rotation. Mechanical seal or packing seal options are available to ensure leak-free operation and stable performance in continuous working environments.
The IR Series pump offers multiple advantages such as high efficiency, low energy consumption, stable hydraulic performance, low vibration, and low noise. The optimized hydraulic design reduces cavitation risk and improves suction capability, making the pump suitable for long-distance water transportation and high-rise building heating systems.
Typical performance range includes flow rates from 3 m³/h to 600 m³/h and head ranges from 5 m to 150 m, depending on pump size and motor configuration. The series is designed with multiple models to meet different flow and pressure requirements, allowing flexible selection for various engineering systems.
Application areas include central heating systems, boiler hot water circulation, HVAC systems, industrial heat exchange systems, chemical and textile production processes, urban heating networks, and hotel or residential hot water supply systems. It is also widely used in metallurgy, energy production, chemical processing, and environmental protection systems requiring stable hot water transport.
The pump is designed with standardized ISO2858 performance dimensions, ensuring interchangeability of parts and compatibility with global industrial standards. This improves maintenance convenience and reduces spare parts inventory costs for users.
In addition, the IR Series pump features reliable mechanical sealing technology, which ensures stable operation even under high temperature and continuous working conditions. The bearing system is optimized for long service life and is lubricated with high-quality grease or oil depending on operating conditions.
Overall, the IR Series Single Suction Hot Water Centrifugal Pump is a reliable, energy-saving, and durable solution for modern heating and circulation systems. It combines advanced hydraulic technology with robust mechanical design, making it suitable for both industrial and civil engineering applications requiring efficient hot water transfer.
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