China Professional High Precision OEM Spur Gear Hot Sales worm gear winch

Product Description

Product Description

Sprocket: Standard sprocket: 06B-48B, ASA40-ASA240, Simplex, duplex, triplex. Non-standard sprocket: Manufactered by drawing. Mufactured by HangZhou Vision Chain Transmission Co., Ltd

Our Advantages


Comprehensive Product Portfolio We produce and supply a wide range of power transmission
products including drive chains, leaf chains, conveyor chains, agricultural chains, sprockets, and
couplings. This one-store-for-all shopping experience will significantly reduce your searching costs while
guarantee youfind what you want at 1 click.

Value Choice Products Our products are the best combination of quality and price, and you get what
you want within your budgets

Seasoned Sales Associates and Engineers We have 15 seasoned sales associates and 5 engineers;
on our team at your disposal any time when you need a helping hand. They are well trained with industry
know-now and will always respond to your requests within 24 hours.

100% Customer Retention Rate Our regular customers from overseas come back not just for our
premium quality products, but for the superior services that we’ve provided over the years.

Q1: What’s your average lead time?
A: It varies. Our regular end-to-end lead time is 1-2 months.. We also provide express shipments for rush orders. For details,please consult our sales associate.

Q2: Is your price better than your competitors given the same quality?
A: Definitely YES. We provide the most competitive price in the power transmission industry. If price disparity exists, we’ll be more than happy to do a price match.
Q3: Can you make chains according to my CAD drawings?
A: Yes. Besides the regular standard chains, we produce non-standard and custom-design products to meet the specific technical requirements. In reality, a sizable portion of our production capacity is assigned to make non-standard products.

Q4: Can we inspect the goods before shipment?
A: Yes. You or your representative or any third-party inspection party assigned is allowed access to our facility and do the inspection.

Q5: What kind of payment method is acceptable for your mill?
A: We’re flexible. We take T/T, L/C, or any other online payment methods so long as it’s applicable for you.

Q6: What if I have any other questions?
A: Whenever in doubt, you’re always encouraged to consult our sales associate any time – They will help you to your satisfaction.

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Standard or Nonstandard: Standard
Application: Conveyer Equipment
Spiral Line: Right-Handed Rotation
Head: Multiple-Head
Reference Surface: Toroidal Surface
Type: ZK Worm
US$ 10/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

gear pump

How does a gear pump handle variations in fluid viscosity?

A gear pump is capable of handling variations in fluid viscosity effectively. Here’s a detailed explanation:

1. Positive Displacement Operation:

One of the key features of a gear pump is its positive displacement operation. Regardless of the fluid’s viscosity, the pump delivers a consistent flow rate with each revolution of the gears. The pump traps and displaces a fixed volume of fluid with each rotation, ensuring that the same amount of fluid is moved regardless of changes in viscosity. This positive displacement action allows the gear pump to handle variations in fluid viscosity and maintain accurate and consistent fluid delivery.

2. Viscosity Range:

Gear pumps are designed to handle fluids with a wide range of viscosities. They can effectively handle low-viscosity liquids as well as highly viscous fluids. The pump’s positive displacement mechanism ensures that the fluid is moved at a consistent rate, regardless of its viscosity. This makes gear pumps versatile and suitable for various applications where fluids of different viscosities need to be pumped.

3. Self-Priming Capability:

Gear pumps have a self-priming capability, which means they can draw fluid into the pump without the need for additional priming mechanisms. This self-priming feature allows gear pumps to handle fluids of varying viscosities, including thicker or more viscous fluids that may be difficult to pump with other types of pumps. The gears create a vacuum effect that draws the fluid into the pump, enabling efficient operation even with varying viscosities.

4. Temperature Considerations:

Fluid viscosity can be affected by temperature variations. Gear pumps are designed to handle a wide range of temperatures, allowing them to accommodate changes in fluid viscosity due to temperature fluctuations. It’s important to consider the temperature limits specified by the pump manufacturer to ensure optimal performance and prevent any adverse effects on the pump or the pumped fluid.

5. Material Selection:

The choice of materials used in the construction of gear pumps can also contribute to their ability to handle variations in fluid viscosity. The materials should be selected based on the compatibility with the range of viscosities and potential chemical properties of the fluids being pumped. Proper material selection helps ensure that the pump can effectively handle the fluid without significant variations in flow rate or delivery accuracy.

In summary, gear pumps handle variations in fluid viscosity through their positive displacement operation, designed viscosity range, self-priming capability, consideration of temperature effects, and appropriate material selection. These features make gear pumps versatile and reliable for pumping fluids with different viscosities in various applications.

gear pump

Can gear pumps be used for both liquid and gas pumping?

Gear pumps are primarily designed for liquid pumping and are not typically used for pumping gases. Here’s a detailed explanation:

1. Liquid Pumping:

Gear pumps are widely used for pumping various types of liquids, including water, oils, fuels, chemicals, and viscous fluids. The positive displacement action of gear pumps allows them to efficiently move liquids by trapping and displacing a fixed volume of fluid with each revolution of the gears. The close tolerances between the gear teeth and the pump housing help minimize leakage and ensure effective liquid transfer.

2. Gas Pumping:

Unlike liquids, gases are highly compressible and have significantly lower densities. The design and operation of gear pumps are not well-suited for pumping gases due to the following reasons:

  • Compression: Gear pumps are not designed to compress gases. When a gas is introduced into the pump’s chamber, it will compress as the gears rotate, leading to increased pressure and reduced volume. This can cause excessive strain on the pump and its components, potentially leading to damage or failure.
  • Leakage: Gear pumps rely on close tolerances and tight clearances to minimize leakage in liquid applications. However, these tight clearances are not effective for handling gases, which can easily leak through the small gaps between the gear teeth and the pump housing. This leakage can result in poor efficiency and loss of pumping performance.
  • Flow Characteristics: Gases have different flow characteristics compared to liquids. Gear pumps are specifically designed to handle the viscosity and flow properties of liquids, including their lubricating properties. Gases lack these characteristics, and the gear pump’s design may not provide the necessary sealing and lubrication required for efficient gas pumping.

3. Alternative Technologies:

For gas pumping applications, other types of pumps are typically used, such as centrifugal pumps, diaphragm pumps, rotary vane pumps, or specialized gas pumps. These pumps are specifically designed to handle the unique properties of gases, including their compressibility and low density. They incorporate features like gas-tight seals, variable displacement mechanisms, and specialized materials to ensure efficient and reliable gas transfer.

In summary, gear pumps are primarily designed for liquid pumping applications. While they excel at efficiently transferring liquids, their design characteristics and limitations make them unsuitable for pumping gases. For gas pumping, it is recommended to use pumps specifically designed for handling gases to ensure optimal performance and reliability.

gear pump

How does a gear pump contribute to pumping viscous fluids?

A gear pump is particularly effective in pumping viscous fluids due to several contributing factors. Here’s a detailed explanation:

1. Positive Displacement:

One of the key advantages of gear pumps is their positive displacement operation. As the gears rotate, they create expanding and contracting chambers between the gear teeth and the pump casing. This positive displacement action effectively traps and carries a fixed volume of fluid with each revolution, regardless of its viscosity.

2. Close Tolerance Design:

Gear pumps are designed with close tolerances between the gears and between the gears and the casing. This tight clearance helps to minimize internal leakage and slippage of the fluid, ensuring efficient transfer of even highly viscous fluids. The close tolerance design also contributes to the pump’s ability to generate high pressures, which may be required when pumping viscous fluids.

3. Gear Tooth Geometry:

The gear tooth geometry of a gear pump plays a significant role in pumping viscous fluids. Gear pumps typically use gears with large tooth clearances and relatively large tooth depths. This design allows for better fluid flow and reduces the likelihood of fluid entrapment between the gear teeth. The gear tooth geometry promotes smoother and more effective displacement of viscous fluids.

4. Slow Speed Operation:

Pumping viscous fluids often requires slower pump speeds to maintain efficient flow. Gear pumps are well-suited for this purpose as they can operate at lower speeds without sacrificing their positive displacement characteristics. The slower speed allows the fluid more time to fill the expanding chambers between the gear teeth, resulting in improved pumping efficiency.

5. Heating and Insulation:

In some cases, heating the viscous fluid or insulating the pump can contribute to better fluid transfer. Gear pumps can be designed with heating or jacketing options to provide controlled heating of the fluid, reducing its viscosity and facilitating easier pumping. Insulation can also help maintain the fluid’s temperature during the pumping process, preventing excessive cooling and thickening of the fluid.

6. Material Selection:

Gear pumps can be constructed using materials that are well-suited for handling viscous fluids. Materials such as cast iron, stainless steel, or specific polymers may be chosen based on the compatibility with the viscous fluid’s characteristics. Proper material selection ensures the pump’s longevity and minimizes the risk of damage or clogging when pumping viscous fluids.

Overall, the positive displacement operation, close tolerance design, gear tooth geometry, slow speed operation, heating and insulation options, and material selection of gear pumps collectively contribute to their effectiveness in pumping viscous fluids. These factors enable gear pumps to handle a wide range of viscosities and ensure efficient fluid transfer in various industrial applications.

China Professional High Precision OEM Spur Gear Hot Sales worm gear winchChina Professional High Precision OEM Spur Gear Hot Sales worm gear winch
editor by CX 2023-12-29


gear pump

As one of leading gear pump manufacturers, suppliers and exporters of mechanical products, We offer gear pump and many other products.

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