China Good quality Hydraulic Rams Handling Engineering Vehicles for Welded Piston Rod Telescopic Hydraulic Cylinder for Sale vacuum pump oil

Product Description

Products Description                                                                                                   

Product Name

HSG Series Hydraulic Cylinder

Work Press

7/14/16/21/31.5MPa     37.5/63MPa Can be Customized


Aluminum,Cast Iron,45mnb Steel,Stainless Steel

Bore Size


Shaft Diameter


Stroke Length


Rod Surface Hardness


Paint Color





1 Year


1 Piece

Delivery Time

7-15 Days,Also depands on specific demands



Company Profile                                                                                                          

QiangLin is a professional hydraulic equipment manufacturer, mainly engaged in hydraulic system design, manufacture, installation, transformation, sales, and technical services. Our manufacturing facilities are certified to the ISO 9001 standard. We are an approved supplier to many equipment manufacturers in China. We are also partners with many customers from America, Canada, Australia, Germany, England, and other European Countries. Product quality, shorter delivery time, and customer satisfaction are our long-term commitments to our CHINAMFG customers. Hope to be your partner.

Q1: Are you a trading company or a manufacturer?
A: We have our own factory.
Q2: Are you able to make Non-standard or customized products?
A: Yes, we can.
Q3: How long is your delivery time?
A: Normally, the delivery time is 7 days if we have stock, 15-30 working days if we don’t. but it
also depends on the product
requirements and quantity.
Q4: Do you provide samples? are the samples free or not?
A: Yes, we can provide samples, but they are not free of charge.
Q5: What are your payment terms?
A: 30% deposit T/T or Irrevocable L/C at sight, If you have any questions, please feel free to
contact us.
Q6: What are your After-sales services?
A: Before shipment, Each individual product will be strictly inspected on our factory QC Process
System. In addition, We have a
Customer Service team to respond to customers’ questions within 12 hours. Being helpful in
solving customers’ problems is always our goal. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Certification: CE, ISO9001
Pressure: High Pressure
Work Temperature: Normal Temperature


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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

telescopic cylinder

How do telescopic cylinders handle variations in load capacity and weight?

Telescopic cylinders are designed to handle variations in load capacity and weight effectively. Here’s a detailed explanation:

Load-specific design:

Telescopic cylinders are engineered with load-specific design considerations to accommodate variations in load capacity and weight. Manufacturers take into account factors such as the maximum expected load, the range of anticipated loads, and the required safety factors. The cylinder’s components, materials, and dimensions are selected and configured accordingly to provide the necessary strength and stability.

Multiple stages:

The nested structure of telescopic cylinders, with multiple stages or sleeves that retract inside one another, allows for adaptability to different loads. Each stage can handle a specific portion of the load, and the collective capacity of all stages determines the overall load capacity of the cylinder. By adding or removing stages, telescopic cylinders can be customized to suit different load requirements, providing flexibility in handling variations in weight.

Hydraulic system control:

The hydraulic control system of telescopic cylinders plays a vital role in managing variations in load capacity. By regulating the flow of hydraulic fluid to each stage, operators can control the extension and retraction force applied to the cylinder. This control allows for adjustments based on the specific load and weight requirements, ensuring the cylinder operates within its safe working limits.

Pressure relief and overload protection:

Telescopic cylinders are often equipped with pressure relief valves and overload protection mechanisms to safeguard against excessive loads. Pressure relief valves help prevent over-pressurization of the hydraulic system by diverting excess fluid flow, protecting the cylinder from potential damage. Overload protection mechanisms, such as overload sensors or mechanical stops, are designed to activate and halt the cylinder’s movement if the load exceeds the safe operating limits.

Load distribution and stability:

Telescopic cylinders contribute to load distribution and stability. The nested design distributes the load across multiple stages, reducing stress on individual components and enhancing overall stability. Proper weight distribution on the machinery or equipment, as well as secure attachment of the load, further contribute to maintaining stability and ensuring safe operation.

It’s important to note that while telescopic cylinders can handle variations in load capacity and weight, it is crucial to operate within the specified load limits and follow the manufacturer’s guidelines. Exceeding the recommended load capacity can compromise the safety, performance, and longevity of the telescopic cylinder and the machinery it is installed on.

Consulting the manufacturer’s documentation, engineering specifications, and relevant industry standards is essential for understanding and adhering to the appropriate load capacity and weight guidelines when using telescopic cylinders.

telescopic cylinder

Can telescopic cylinders be used in agricultural machinery for various tasks?

Yes, telescopic cylinders are widely used in agricultural machinery for various tasks. Here’s a detailed explanation:

Versatile applications:

Telescopic cylinders offer versatility and are suitable for a wide range of tasks in agricultural machinery. They are commonly employed in equipment such as tractors, harvesters, sprayers, loaders, and tillers.

Lifting and lowering:

Telescopic cylinders are utilized for lifting and lowering applications in agricultural machinery. They provide the necessary force to raise and lower attachments such as loader buckets, tillage implements, or harvest platforms. The telescopic cylinder’s design allows for efficient force transmission, enabling smooth and controlled movement.

Reach extension:

Telescopic cylinders are valuable for extending the reach of agricultural machinery. For example, in a harvester, telescopic cylinders can extend the reach of the harvesting arm, allowing operators to access crops in a broader area. This extension capability increases efficiency and productivity by reducing the need for repositioning the machinery frequently.

Adjustable working height:

Telescopic cylinders are employed in agricultural machinery to provide adjustable working heights. For instance, in sprayers or spreaders, telescopic cylinders can adjust the height of the booms or spreading mechanisms, allowing for precise application of fertilizers, pesticides, or seeds.

Folding and unfolding:

Telescopic cylinders are used to facilitate folding and unfolding actions in agricultural machinery. This is particularly useful for equipment that needs to be transported or stored in compact configurations. For example, telescopic cylinders can fold the wings of a tillage implement for easy transport on roads or through narrow gateways.

Stabilization and leveling:

Telescopic cylinders contribute to the stabilization and leveling of agricultural machinery. They are employed in tasks such as adjusting the height and angle of plows, cultivators, or balers to ensure proper ground engagement and uniform performance.

Advantages of telescopic cylinders in agricultural machinery:

Telescopic cylinders offer several advantages in agricultural machinery:

  • Versatility: Telescopic cylinders can be used for various tasks, providing flexibility and adaptability in agricultural operations.
  • Efficient force transmission: The telescopic design allows for direct and efficient force transmission, maximizing the equipment’s lifting and operational capabilities.
  • Precise control: Telescopic cylinders enable precise control over movements, allowing for accurate positioning and improved productivity.
  • Space optimization: Telescopic cylinders contribute to space optimization by enabling folding or compact configurations, facilitating transportation and storage of agricultural machinery.

Overall, telescopic cylinders are valuable components in agricultural machinery, offering versatility, efficient force transmission, precise control, and space optimization. They enhance the functionality and productivity of agricultural equipment across various tasks and applications.

It’s important to consult the equipment manufacturer’s documentation and guidelines for specific information on the integration, operation, and maintenance of telescopic cylinders in agricultural machinery.

telescopic cylinder

What is a telescopic cylinder and how does it work?

A telescopic cylinder is a type of hydraulic cylinder that consists of multiple nested stages or sections that can extend and retract, similar to a telescope. Here’s a detailed explanation:

A telescopic cylinder is primarily used when a long stroke length is required while maintaining a compact retracted length. It is commonly used in applications such as dump trucks, cranes, aerial platforms, and other equipment that require extended reach or height adjustment. Here’s how a telescopic cylinder works:

  • Structure: A telescopic cylinder consists of a series of cylindrical stages or sleeves that are progressively nested inside one another. These stages are typically made of high-strength steel or aluminum alloy. The number of stages can vary depending on the specific design and application.
  • Extension and Retraction: When the telescopic cylinder is in the retracted position, the stages are nested inside one another, with the smallest stage located at the base. To extend the cylinder, hydraulic fluid is supplied to the base of the cylinder, creating pressure that pushes the smallest stage outwards. As the smallest stage extends, it exposes the next larger stage, which is then pushed out by the hydraulic pressure. This process continues until all the stages have extended, resulting in a longer overall stroke length.
  • Locking Mechanism: Telescopic cylinders often incorporate a locking mechanism to secure the extended stages in position. This mechanism ensures stability and prevents unintentional retraction of the cylinder under load. The locking mechanism can be mechanical, hydraulic, or a combination of both, depending on the design and application requirements.
  • Retraction: To retract the telescopic cylinder, hydraulic fluid is supplied to the opposite side of the cylinder, typically to the largest stage. The hydraulic pressure acts on the largest stage, retracting it first. As each stage retracts, it nests inside the next smaller stage until the cylinder is fully retracted to its original compact length.
  • Control and Stability: The extension and retraction of a telescopic cylinder are controlled by a hydraulic system. By regulating the flow and pressure of the hydraulic fluid, operators can precisely control the extension and retraction speed of the cylinder. The nested design of the stages provides stability and load-bearing capacity, allowing the telescopic cylinder to handle substantial loads.

The use of telescopic cylinders offers several benefits:

  • Extended Stroke Length: Telescopic cylinders provide a significantly longer stroke length compared to traditional single-stage cylinders, enabling extended reach or height adjustment without increasing the overall size of the cylinder.
  • Compact Design: The nested structure of telescopic cylinders allows for a compact retracted length, making them suitable for applications with space constraints.
  • Versatility: Telescopic cylinders can be customized to meet specific stroke length requirements. The number of stages can be adjusted, and the cylinders can be designed for different load capacities and working conditions.
  • Efficient Operation: The controlled extension and retraction of telescopic cylinders enable precise load handling and positioning, improving operational efficiency.

Overall, a telescopic cylinder is a hydraulic cylinder with nested stages that can extend and retract, providing an extended stroke length while maintaining a compact retracted length. Its structure and operation make it ideal for applications requiring long reach or height adjustment.

It’s important to follow the manufacturer’s guidelines and specifications for the telescopic cylinder, including proper maintenance and inspection, to ensure its safe and reliable operation.

China Good quality Hydraulic Rams Handling Engineering Vehicles for Welded Piston Rod Telescopic Hydraulic Cylinder for Sale   vacuum pump oil	China Good quality Hydraulic Rams Handling Engineering Vehicles for Welded Piston Rod Telescopic Hydraulic Cylinder for Sale   vacuum pump oil
editor by Dream 2024-04-19