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China cheap oil pump

(14172 products available)

About china cheap oil pump

Types of China Cheap Oil Pump

There are several types of oil pumps for sale in China. They include:

  • Gear oil pumps

    As the name suggests, gear oil pumps use gears to pump oil. The gears rotate when the pump is turned on, creating a suction that draws oil into the pump and pushes it out through the discharge port. There are two types of gear oil pumps, which are:

    - Internal gear oil pump: This has one gear inside another. The driving gear rotates and turns the second gear, which is idling. The teeth of the two gears do not touch, so they have a little space between them, which helps draw the fluid into the pump and push it out.

    - External gear oil pump: This type has two external interlocking gears that move against each other. One gear acts as the drive gear, while the other gear acts as the idler. These two interlocking gears have a small space between them, which helps pump the fluid by pulling it into the pump through the inlet and pushing it out through the outlet as they rotate.

  • Rotary oil pumps:

    These pumps use rotating vanes or blades to create a flow of oil. The rotating elements cut through the oil, creating a flow like a propeller in water. The motion of the blades or vanes moves the oil through the pump, generating the necessary pressure.

  • Diaphragm oil pumps:

    These pumps use a diaphragm to alternately expand and contract, creating a suction and discharge cycle. As the diaphragm moves, it draws oil into one chamber and pushes it out into another. This diaphragm action generates the necessary pressure to move oil through the pump.

  • Piston oil pumps:

    Piston oil pumps use one or more pistons driven by an electric motor or engine to move oil. As the piston moves back and forth in a cylinder, it creates alternating suction and discharge strokes. This piston action draws oil into the cylinder and pushes it out, generating pressure.

  • Oil transfer pumps:

    These are portable electric or manual pumps used to move oil from one container to another. They are not fixed in one place, which makes them convenient.

  • Vacuum oil pump:

    These pumps use a vacuum to remove air and moisture from the oil. The vacuum creates negative pressure, pulling contaminants out of the oil.

Specification and maintenance of china cheap oil pump

The specifications of any given oil pump are crucial, as they determine the application and the performance under given conditions. Here are the specifications of the cheap electric oil pump for sale that buyers might find interesting.

  • Flow rate:

    The flow rate of an oil pump indicates how much oil it can pump in a given period. Most pumps have a flow rate specification of 1 to 500 liters per minute. Some models might have a higher or lower flow rate.

  • Voltage:

    Electric oil pumps use electricity to power them. Because of this, they have different voltage requirements depending on the model. Some common voltage requirements are 110V, 220V, and 380V.

  • Oil type:

    The oil type specification indicates the type of oil the pump is designed to pump. Commonly, pumps are designed to pump crude oil, lubricating oil, or diesel oil. Each oil has different viscosity properties, making it flow differently.

  • Temperature:

    Some oil pumps have a temperature specification that indicates the oil's temperature that the pump can handle. This is important for pumps used in high-temperature environments or when pumping heated oil.

  • Pressure:

    The pressure specification indicates the pressure the pump can generate to move oil through pipelines and other equipment. The pressure is measured in pascals (Pa) or pounds per square inch (psi).

Maintaining oil pumps is essential for achieving optimal performance and long service life. Here are some maintenance requirements that buyers can pass to their clients.

  • Regular inspection:

    Regular inspection of the oil pump and its surrounding parts is important. During inspections, check for leaks, wear and tear, and any unusual sounds or vibrations. Also, check the hoses, seals, and fittings for any signs of damage.

  • Cleaning:

    Like any other equipment, oil pumps need cleaning. Cleaning prevents the accumulation of dirt, dust, and debris that might interfere with the operation of the pump. While cleaning, make sure to use appropriate cleaning agents and methods.

  • Lubrication:

    Regular lubrication is important for moving parts of the oil pump. Lubrication minimizes friction, which reduces wear and tear. During lubrication, ensure to follow the manufacturer's guidelines on the type of lubricant to use and the required intervals.

  • Replace worn-out parts:

    Oil pumps have several components that wear out over time. Parts like bearings, seals, and impellers may need to be replaced regularly. When replacing any part of the pump, make sure to use original spare parts from the manufacturer.

  • Pressure and flow rate check:

    It is important to regularly check the flow rate and pressure of the oil pump. This is because the flow rate and pressure might change over time, indicating a problem with the pump. If the flow rate and pressure are not normal, find out what is causing it and correct the problem.

How to choose China cheap oil pump

With so many options available, choosing the right oil pump can be a daunting task. Here are some tips to make the right choice.

  • Understand the requirements:

    This involves understanding the needs of the specific engine or machinery. For example, pumps with high flow rates are suitable for larger engines, while pumps with higher pressure ratings are suitable for turbocharged or modified engines.

  • Consider the construction material:

    This involves considering the durability and corrosion resistance of the material. For instance, a pump made from aluminum is lightweight and resistant to corrosion, while a cast iron pump is more durable.

  • Check the warranty:

    This involves checking the warranty to ensure that the manufacturer stands behind the quality of the product. A good warranty offers protection against defects.

  • Compatibility:

    Ensure the pump is compatible with the vehicle's make and model. Consider the oil type and viscosity and ensure the pump can handle it.

  • Quality:

    It is important to consider the quality of the oil pump. Buyers should go for established suppliers who offer high-quality products.

  • Cost:

    This involves considering the cost of the oil pump. Buyers should look for suppliers that offer oil pumps within their budget. However, they should avoid overly cheap pumps since they may not be durable.

How to DIY and Replace China Cheap Oil Pump

Replacing an oil pump requires careful attention to detail and a good understanding of the vehicle's engine. Here is a step-by-step guide on how to replace an oil pump:

  • Gather necessary tools and materials

    Get a china cheap electric oil pump, a set of wrenches, ratchet and socket set, screwdrivers, torque wrench, oil catch pan, new oil pump, new oil filter, and engine oil. Ensure to have a good jack and jack stands to lift the vehicle safely.

  • Prepare the vehicle

    The first step is to disconnect the vehicle's battery. Next, the vehicle should be lifted with a jack, and the jack stands should be placed securely. After that, the vehicle's engine should be allowed to cool down. Finally, the vehicle's engine compartment should be accessed easily by opening the hood.

  • Drain the engine oil

    Drain the oil by placing an oil catch pan under the oil pan and removing the drain plug. Allow the oil to drain completely before removing the oil. The oil filter should be removed using an oil filter wrench.

  • Remove the oil pump

    Follow the vehicle's service manual to locate the oil pump. Disconnect all electrical connections and remove any mounting bolts securing the pump using a wrench or socket. After that, carefully pull the oil pump away from the engine.

  • Install the new oil pump

    Before installing a new oil pump, ensure that it is primed according to the manufacturer's instructions. Align the new oil pump with the engine and secure it with mounting bolts. Make sure to tighten the bolts to the manufacturer's specified torque using a torque wrench. After that, reconnect any electrical connections.

  • Reassemble and refill

    Put back any components removed to access the oil pump. This includes the oil pump inlet and outlet pipes, oil pan, gasket, and others. Refill the engine with new oil through the oil filler cap. After that, check for leaks around the oil pump and associated components. Start the engine and let it run for a few minutes. After that, recheck the oil level and add more oil if necessary.

Q and A

Q1: How long does a cheap oil pump last?

A1: There is no specific time an oil pump will last. However, factors such as wear and tear, the frequency of routine maintenance, and the quality of oil changes will determine the lifespan of an oil pump.

Q2: Can a cheap oil pump be used in modern vehicles?

A2: Yes, a cheap oil pump can be used in modern vehicles. However, ensure that the oil pump is compatible with the vehicle's engine specifications and requirements.

Q3: How do you choose a cheap China oil pump?

A3: Choosing an oil pump can be a daunting task. But don't worry; when choosing an oil pump, consider factors such as the recommended flow rate, the quality of materials, and the price. Also, consider the brand's warranty and after-sales services.