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OVERVIEW
A vane pump is a positive-displacement hydraulic pump that uses sliding vanes mounted in a rotating rotor. As the rotor turns inside an eccentric cam ring, the spaces between the vanes expand to draw in hydraulic fluid and contract to discharge it at pressure.
Vane pumps are valued for smooth flow, relatively low pressure pulsation, compact construction, and quiet operation. Fixed- and variable-displacement designs are available for machine tools, industrial power units, mobile equipment, and other systems that require consistent medium-pressure hydraulic performance.
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Hydraulic Parts for All Construction Machinery
The rotor, vanes, and cam ring form sealed pumping chambers whose volume changes continuously during rotation. This action draws oil from the reservoir and delivers a steady flow into the pressure line, providing the basic fluid supply needed by the hydraulic circuit.
A prime mover turns the vane pump shaft, and the rotating cartridge converts that mechanical input into hydraulic pressure and flow. The generated hydraulic power can then operate cylinders, motors, clamping devices, and other actuators throughout the machine.
Because several vane chambers discharge fluid in sequence, a vane pump produces more uniform flow than many simple positive-displacement designs. Reduced pulsation helps lower vibration and noise while supporting stable movement, consistent finishing quality, and precise machine control.
Variable-displacement vane pumps change rotor eccentricity or cam-ring position to regulate displacement. By reducing output when demand falls, the pump can limit unnecessary heat generation, lower energy consumption, and maintain the required pressure more efficiently.
Balanced vane pump designs reduce internal radial loads and help maintain reliable operation across long duty cycles. Their combination of good volumetric efficiency, moderate pressure capability, and low acoustic output makes them suitable for factories and enclosed work areas.
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A vane pump rotates a slotted rotor inside an eccentric cam ring. Vanes slide outward to maintain contact with the ring, creating expanding chambers at the inlet and contracting chambers at the outlet so hydraulic fluid is drawn in and discharged under pressure.
Common types include unbalanced and balanced vane pumps, as well as fixed- and variable-displacement designs. Balanced construction reduces radial shaft loading, while variable-displacement vane pumps can adjust output to suit changing system demand.
A vane pump generally offers quieter operation and smooth medium-pressure flow, while a piston pump is usually selected for higher pressure, greater control flexibility, and demanding heavy-duty service. The best choice depends on pressure, flow, noise, efficiency, and duty-cycle requirements.
Keep the hydraulic fluid clean and within the specified viscosity range, maintain effective filtration, prevent inlet restriction and cavitation, and inspect the vanes, cam ring, bearings, seals, pressure, noise, and leakage at recommended intervals.
Absolutely. We provide OEM/ODM services and can manufacture according to your samples or technical drawings. Yes, there is a minimum order quantity, but it is flexible. Spare parts often have an MOQ of 1 piece, while complete pumps or motors vary by model—please inquire for details.
For in-stock items, we can ship within 3 days. For custom or non-stock items, delivery usually takes 7–15 days. We’ll confirm exact timing based on current inventory. We offer flexible shipping via express carriers (DHL, FedEx, UPS) and sea freight (CIF/FOB). We can also deliver to your designated freight forwarder in China.
We are a hybrid—both a manufacturer and a trading company. We produce our own products and also source specific components to offer complete solutions. We follow strict quality control protocols. All parts undergo CNC machining and heat treatment, and each is 100% tested before delivery to guarantee precision and reliability.
We accept T/T, L/C, Western Union, Alibaba Trade Assurance, and VISA. For new customers, we usually require full prepayment or a 30% deposit with the balance due before shipment. All products come with a 1-year warranty, provided they are installed and operated under normal conditions.
Tell us the model, application or target part number. Our sales team will help confirm specifications and quotation details.
Anya Zhang
anyazhang@tejingyy.com | +8618159153182
Taylor Shen
taylorshen@tejingyy.com | +861815059722
Bill Yang
billyang@tejingyy.com | +8618160919625
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