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  • Three stages and 10 links of centrifugal pump operation

    Three stages and 10 links of centrifugal pump operation

    The management of pump stability in the process industry can be divided into three stages. 1) pump selection and stability determination prior to installation. 2) Preparation for start-up. 3) Ensuring stability after start-up. Centrifugal pumps need to do their homework in the foll ...

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  • Flow control of centrifugal water pump

    Flow control of centrifugal water pump

    How to economically and effectively control the pump output flow once triggered a major discussion, once popular all use frequency control to control the output flow, the elimination of all control valves to control the flow of the type, from the current point of view alone, there are four widely u ...

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  • Pump type: guidelines for selecting the correct pump

    Pump type: guidelines for selecting the correct pump

    What is a pump? A pump is a machine that transports fluid or pressurizes the fluid. It transmits the mechanical energy of the prime mover or other external energy to the liquid, so as to increase the energy of the liquid. The pump is mainly used to transport water, oil, acid-base liquid, e ...

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  • Design of inlet and outlet pipeline of pump

    Design of inlet and outlet pipeline of pump

    Cavitation phenomenon: when the static pressure of the liquid entering the first stage impeller of the pump is lower than or equal to the saturated vapor pressure at this temperature, the liquid vaporizes and generates vapor bubbles. With the liquid flowing into the higher pressure, the vapor bub ...

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  • What is a water pump

    What is a water pump

    What is a water pump? A water pump is a machine that conveys or pressurizes liquid. It transfers the mechanical energy or other external energy of the prime mover to the liquid so as to increase the energy of the liquid, which is mainly used for conveying liquid, including water, oil, acid and ...

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  • What is a diaphragm pump

    What is a diaphragm pump

    What is a diaphragm pump? Diaphragm pump is to separate the transmitted liquid from the movable column and pump cylinder with the help of membrane, so as to protect the movable column and pump cylinder. The parts on the left side of the diaphragm in contact with the liquid are made of corrosio ...

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  • What is a vortex pump

    What is a vortex pump

    What is a vortex pump? Vortex pump refers to a pump in which the impeller is an integral disc with many small blades on the outer edge, and the liquid makes repeated vortex movement in the blade and pump channel. Although vortex pump belongs to the category of vane machinery, its working proce ...

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  • What is a mixed flow pump

    What is a mixed flow pump

    What is a mixed flow pump? Mixed flow pump is a kind of pump between centrifugal pump and axial flow pump. The specific speed of mixed flow pump is higher than that of centrifugal pump and lower than that of axial flow pump, generally between 300-500. Its head is higher than that of axial flow ...

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  • What is an axial flow pump

    What is an axial flow pump

    What is an axial flow pump? Axial flow pumps rely on the force generated by the blades of the rotating impeller on the liquid to transport the liquid along the axis. There are vertical, horizontal, inclined and tubular pumps. Working principle of axial flow pump The wing is suspended i ...

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  • What is a piston pump

    What is a piston pump

    What is a piston pump? Piston pump, also known as electric reciprocating pump, is divided into single cylinder and multi cylinder from the structure, which is characterized by high head. It is suitable for transporting oil emulsion without solid particles at room temperature. It is used for wate ...

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  • What is a gear pump

    What is a gear pump

    What is a gear pump? Gear pump is a rotary pump that transports liquid or pressurizes it by relying on the change and movement of working volume formed between pump cylinder and meshing gear. Two enclosed spaces are composed of two gears, the pump body and the front and rear covers. When the g ...

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  • What is a vane pump

    What is a vane pump

    What is a vane pump? Vane pump is a pump in which the blades in the rotor groove contact the pump housing (stator ring) and press the inhaled liquid from the oil inlet side to the oil discharge side. Classification of vane pumps Because there are two types of vane pumps in history: 1 ...

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