Centrifugal Pump Maintenance FAQ

What are the vulnerable parts of a centrifugal pump? Bearings, shaft sleeves, impeller throat bushings, casing throat bushings, wearing rings, sealing rings, coupling gaskets, etc. Why should the outlet valve be closed when starting a centrifugal pump? Because when the flow rate of the centrifugal pump is zero, the power is minimized. This reduces the …

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Diaphragm Pump: Overview, Selection, and Operation

I. Overview of Diaphragm Pumps: Diaphragm pumps consist of an actuator and valves, powered by compressed air. They are capable of handling a wide range of fluids, including corrosive, abrasive, high-viscosity, volatile, flammable, and highly toxic substances. These pumps find applications in specialized settings where conventional pumps fall short. Diaphragm pumps come with two types …

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pneumatic oil pump

Six Key Functions and Ten Advantages of Air Diaphragm Pumps

Title: “Six Key Functions of Diaphragm Pumps” Automatic Flow Adjustment with Back Pressure: Diaphragm pumps, powered by air, automatically adjust their flow in response to changes in back pressure (exit resistance). This makes them suitable for handling fluids with medium to high viscosity. In contrast, centrifugal pumps have fixed working points calibrated for water. When …

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Brief Introduction of AODD Pump

Introduction Air-operated double diaphragm pump is a very common type of diaphragm pump. As its name suggest, the pump operation is carried out using compressed air, rather than electricity. The air operated double diaphragm pump is made up of the two liquid chambers and two membranes/diaphragms. Each of the chambers has a discharged and suction …

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Aodd Pump Troubleshorting

Troubleshooting A0dd pump   AODD Pump Fails to Operate: Air Inlet Size Too Small: Replace with a larger airline to ensure sufficient air supply. Icing in the Pump Muffler: Install a heater in the air supply line, decrease pump air pressure, lower pump speed, or install an air line filter to prevent icing. Leakage on …

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