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    7.5 HP (5.5kW) Hot Oil Pump

    Oil transfer pump with affordable price for sale online. Hot oil pump with 7.5hp (5.5 kW) power, adopts with pure copper motor. The head of thermal oil pump is 40m. This hot oil circulation pump is typically used in thermal oil circulation and heat retention reflux systems.
    SKU: ATO-HOP-075HP
    30-day Returns
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    Delivery date: 6-12 days

    Hot oil pumps are a type of centrifugal pump designed to handle high-temperature fluids. These pumps are often used in systems where the operating temperatures exceed the capabilities of conventional water-based pumps.


    • Corrosion Resistance. Pumps used for hot oil applications are typically made from materials that resist corrosion, ensuring the longevity of the pump in harsh operating conditions.
    • Robust Construction. Hot oil pumps are built to be robust and durable, with materials chosen to withstand the thermal stresses associated with high-temperature operations.
    • Efficiency. Hot oil pumps are engineered for high efficiency to minimize energy consumption while effectively circulating the heat transfer fluid through the system.


    • Model: RY50-32-200
    • Voltage: 380V
    • Power: 7.5 HP (5.5 kW)
    • Material: cast iron
    • Head: 40m
    • Capacity: 18 m3/h
    • Speed: 2900 r/min
    • Efficiency: 50%
    • Motor: 132SI
    • Seal Method: packing seal
    • Working Temperature: -20 ℃ ~ 350℃


    Hot oil pump structure

    1. Pump Casing 2. Impeller Nut 3. Impeller 4. Pump Cover
    5. Pump Shaft 6. Bearing 7. Bearing Casing 8. Oil-conducting Pipe
    9. Bearing's Press Cover 10. Bear Frame 11. Packing Seal  


    Hot oil pump application

    Tips: How does the hot oil pump's efficiency change with temperature variations?

    The efficiency of a hot oil pump typically decreases as temperature rises. This is primarily due to the inherent properties of the fluid being pumped. As temperature increases, the viscosity of the hot oil decreases, leading to lower fluid density and increased flow rates. While this might seem beneficial initially, it often results in reduced pump efficiency due to higher internal leakage and friction losses. Additionally, higher temperatures can lead to thermal expansion, causing wear and tear on pump components and diminishing overall performance. Proper pump selection, material compatibility, and system design can mitigate some of these effects. However, it's crucial to monitor and account for temperature variations to maintain optimal pump efficiency and prolong equipment lifespan. Regular maintenance, including lubrication and inspection, is essential to ensure reliable operation under varying temperature conditions.

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