Power packs supply this high pressure hydraulic oil to the Framo hydraulic motor. Power Packsįor the Hydraulic motor to rotate the impeller, there need to be high pressure of hydraulic oil. In Framo system, you will not be able to see the hydraulic motor as it is placed in the outer casing.Īnd there are no serviceable parts in a Framo hydraulic motor. It rotates the shaft and low pressure oil leaves the motor. Hydraulic motor converts pressure energy of high hydraulic oil pressure to rotational energy to rotate the impeller.īelow diagram is the most basic diagram that shows how a hydraulic motor works. It can only be converted from one form to another” “Energy can neither be created not destroyed. How ? Well we all have read the below law of conservation of energy. In FRAMO system, this energy is provided by the Hydraulic motor using the pressurised hydraulic oil. For electric pumps, electric motor provides this energy for rotating the impeller. In steam turbine centrifugal pumps, this energy is provided by steam. It need a source of energy (prime mover). But impeller would not rotate on its own. Hydraulic Motorįor the centrifugal pump to work, impeller need to rotate. Keeping this in mind, let us discuss the components of FRAMO system to better understand this. That is the pump is fitted inside the cargo tank and will be submerged in the liquid (cargo). Components of FRAMO systemĪs with all centrifugal pumps, Framo pump also haveīut apart from being a centrifugal pump, FRAMO is also a submersible pump. This is the most basic points we should know before we proceed with any kind of centrifugal pump. This means that as the liquid travels in the volute casing, velocity reduces and pressure increases.
It has narrow opening at the entry of liquid and the size of opening increases along the passage of liquid. Impeller rotates and pushes the liquid into the volute casing. Prime mover provides the energy for the impeller to rotate. A prime mover (source of energy) to move the impeller.Volute casing surrounding impeller, and.But if you watch the above video, you would know that it has three main components I am not going in details of how a centrifugal pump works.
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