7.5 HP (5.5kW) Hot Oil Pump

7.5 hp 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. Key features of oil pump typically include robust seals to prevent leaks, thermal protection to manage high operating temperatures.

Features:

• 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.

Specification:

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

Structure:

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.