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Industrial Hydraulic Pump Suppliers

INI Hydraulic Co., Ltd.

  • 27+

    Years Industry Experience

  • 150000+

    Factory Area

  • 450+

    Skillful Employees

  • 18+

    Advanced Production Line

INI Hydraulic Co., Ltd. has specialized in designing and manufacturing hydraulic winches, hydraulic motors and planetary gearboxes for more than twenty years. We are one of the professional China Industrial Hydraulic Pump Suppliers and Hydraulic Pump Factory . Customizing to optimize customers’ ingenious equipment designs is our way to stay alive robustly in the market. Over 26 years, driven by the commitment of always innovating to satisfy customers’ needs, we have developed a wide range of product lines based on our self-developed technologies. The wide spectrum of products, each correlating intimately, contains hydraulic and electric winches, planetary gearboxes, slewing drives, transmission drives, hydraulic motors, pumps and hydraulic systems.

The reliability of our products has been proven strongly in diverse applications, including not limiting industrial machinery, construction machinery, ship & deck machinery, off-shore equipment, mining and metallurgical machinery.

Besides, our product quality has been approved by multiple worldwide renowned certificate bodies. The certifications, that our products have obtained, include EC-Type Examination Certificate, BV MODE, DNV GL Certificate, EC Attestation of Conformity, Certificate of Type Approval for Marine Product and Lloyd’s Register Quality Assurance. So far, besides China, our domestic market, we have widely exported our products to the United States, Germany, the Netherlands, Australia, Russia, Turkey, Singapore, Japan, South Korea, Malaysia, Vietnam, India and Iran. Our logistics and after-sales services cover the whole world promptly and reliably for our customers’ deep interests.

HONOR & CERTIFICATE

Our products have obtained, include EC-Type Examination Certificate, BV, MODE, DNV, GL Certificate, EC Attestation of Conformity, Certificate of Type Approval for Marine Product and Lloyd’s Register Quality Assurance.

  • UDEM Certificate
  • UDEM Certificate
  • UDEM Certificate
  • Health & Safety Management Certificate
  • EC Type Certificate
  • BV Product certificate
  • CCS Certificate
  • CCS Certificate
  • CCS Certificate
  • CCS Certificate
  • CCS Certificate
  • CCS Certificate
  • CCS Certificate
  • CE Certificate
  • CE Certificate
  • CE Certificate
  • DNV Certificate
  • DNV Certificate
  • DNV Certificate
  • LR Certificate
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Industry knowledge
1.How does a hydraulic pump convert mechanical energy into hydraulic energy?
A hydraulic pump is a mechanical device that converts mechanical energy into hydraulic energy by pressurizing and transmitting hydraulic fluid. 
Mechanical Input:The hydraulic pump is typically powered by an external source, such as an electric motor or an internal combustion engine.Mechanical energy from the source is transferred to the pump's input shaft.
Impeller or Rotor Movement:The input shaft is connected to an impeller, rotor, or other pumping mechanism within the pump.As the input shaft rotates, it imparts rotational motion to the pumping mechanism.
Fluid Intake:The pump has an inlet through which hydraulic fluid (usually oil) is drawn into the pump chamber.The rotating mechanism creates a low-pressure zone, causing fluid to be drawn into the pump.
Fluid Compression:As the impeller or rotor continues to rotate, it compresses the hydraulic fluid within the pump chamber.The compression of the fluid increases its pressure.
Fluid Discharge:The pump has an outlet through which the pressurized hydraulic fluid is discharged.The pressurized fluid is then ready to be sent into a hydraulic system to perform work.
Directional Control:Some hydraulic pumps, known as positive displacement pumps, deliver a fixed amount of fluid with each rotation. Examples include gear pumps and piston pumps.Other pumps, such as centrifugal pumps, operate based on fluid velocity and are not positive displacement pumps.
Hydraulic System Integration:The pressurized hydraulic fluid is directed into hydraulic lines or hoses and is used to actuate hydraulic cylinders, motors, or other devices in a hydraulic system.The hydraulic energy is utilized to perform mechanical work, such as moving loads, lifting, or controlling machinery.

2.What are the different types of hydraulic pumps?
There are several types of hydraulic pumps, each with its own unique design and operating principles.
Gear Pumps:These pumps use meshing gears to pump fluid. They are simple, compact, and cost-effective. Gear pumps are suitable for low to medium-pressure applications.
Piston Pumps:Piston pumps operate by reciprocating pistons within cylinders to create fluid flow. They are capable of providing high-pressure outputs and are often used in heavy-duty applications.
Vane Pumps:Vane pumps use sliding vanes to create fluid flow. They are known for their smooth operation and are suitable for medium-pressure applications. Variable displacement vane pumps are also available.
Radial Piston Pumps:These pumps have pistons arranged radially around a central shaft. They offer high efficiency and are often used in applications where high pressure and high flow rates are required.
Axial Piston Pumps:Axial piston pumps have pistons arranged parallel to the drive shaft. They can provide high pressure and are commonly used in mobile hydraulic systems, such as in construction equipment.
Diaphragm Pumps:Diaphragm pumps use a flexible diaphragm to displace the hydraulic fluid. They are suitable for applications where contamination must be minimized, and they can handle abrasive fluids.
Screw Pumps:Screw pumps use the intermeshing of screws to move hydraulic fluid. They are known for their smooth and pulsation-free flow, making them suitable for certain industrial applications.
Peristaltic Pumps:Peristaltic pumps use a flexible tube and rollers to create flow. They are often used in applications where the pumped fluid must be isolated from the pump components.
Centrifugal Pumps:While more commonly associated with water and other liquids, centrifugal pumps can also be adapted for hydraulic applications. They rely on the centrifugal force generated by a rotating impeller to move the fluid.

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