The vane pump is a self-priming positive displacement pump that can provide a constant flow rate under varying pressures. It is usually operated by a motor connected to the gearbox, usually with a maximum speed of 900. The pump is equipped with a safety valve to prevent the pump from accumulating to pressure that could damage the pump.

The pump head includes a slotted rotor with blades. The vanes form a segmented chamber within the pump head, separating the pump head between the rotor and the casing, which allows the vane pump to self-prime like a chamber. Vane type rotor vane pump head

The pump head is mostly circular, but has flat parts as the blades move in and out of the main rotor. When the pump is running, due to the centrifugal force, the blades will be pushed out of the casing, and the outward force will make the blades close to the casing. When the vane reaches the outlet of the pump, the casing flattens and abuts the rotor, causing the vane to be pushed into the rotor and the fluid is discharged from the outlet of the pump.

The vane pump is reversible, which makes it an excellent choice for stripping and unloading storage tanks.

It can then be operated in the reverse direction, and then the tank or the loading vehicle can be filled with oil because the pump can be operated in both directions. Usually, the vane pump is equipped with a single mechanical seal, double mechanical seal with packing fluid or packing seal.

They are usually used for lubricating viscous liquids such as oil, petroleum, diesel, animal oil/blood and fuel oil. Since they have no metal-to-metal contact, they can also handle non-lubricating fluids such as solvents. Vane pumps can self-compensate for wear, which means they can maintain optimal performance without losing flow.

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