China best Excavator Hydraulic Cylinder Boom Arm Cylinder E349d Bucket Cylinder vacuum pump connector

Product Description

long stroke telescopic hydraulic cylinders
Part number Tube dia  mm Rod dia  mm Stroke  mm
205-63-57100 120 85 1285
206-63-57100 120 85 1285
205-63-57160 120 85 1285
205-63-57120   135 95 1490
203-63-57130 125 85 1120
203-63-57131 125 85 1120
205-63-57130 125 85 1120

1.Supply to USA,Europe,and Australia, Russia.
2.Material:Stainless Steel
3.Professional performance excavator parts supplier
4. High quality and low price


Q1: Are you Manufacture or Trade Company?
A1: We are manufacture,we have 20 years experience for supply Metal material and products in domestic.

Q2: How can we guarantee quality?
A2: Always a pre-production sample before mass production;Always final Inspection before shipment;

Q3: What is your terms of payment ?
A3: 1.T/T: 30% deposit in advance, the balance 70% paid before shipment
2.30% down payment, the balance 70% paid against L/C at sight
3.CHINAMFG negotiation

Q4: Can you provide Certificates for aluminum materials ?
A4:Yes,we can supply MTC-Material Test Certificate.

Q5: Can you provide sample?
A5: Yes, we can provide you sample, but you need to pay for the sample and freight firstly. We will return the sample fee after
you make an order.


Certification: GS, RoHS, CE, ISO9001
Pressure: Medium Pressure
Work Temperature: Normal Temperature
Acting Way: Double Acting
Working Method: Piston Cylinder
Adjusted Form: Switching Type


boom cylinder

How does a boom cylinder handle variations in load capacity and weight?

A boom cylinder is designed to handle variations in load capacity and weight in heavy machinery. Here’s a detailed explanation:

When a machinery equipped with a boom cylinder is used for different tasks, the load capacity and weight requirements may vary. The boom cylinder is designed to accommodate these variations and ensure optimal performance. Here are the key factors that contribute to how a boom cylinder handles load capacity and weight variations:

  • Force Generation: The boom cylinder generates the necessary force to move the boom, arm, or attachment of the machinery. The force generated by the cylinder can be adjusted based on the load capacity and weight requirements. By controlling the hydraulic pressure and flow rate, the operator can regulate the force exerted by the cylinder, allowing it to handle both lighter and heavier loads.
  • Adjustable Stroke Length: Boom cylinders often have an adjustable stroke length, which is the distance the piston can travel within the cylinder. By adjusting the stroke length, the cylinder can adapt to different load capacities and weight distributions. For heavier loads, a longer stroke may be required to provide the necessary extension or retraction of the boom. Conversely, for lighter loads, a shorter stroke may be sufficient, optimizing the cylinder’s efficiency.
  • Pressure Compensation: Some boom cylinders are equipped with pressure compensation mechanisms. These mechanisms automatically adjust the hydraulic pressure within the cylinder to compensate for variations in load capacity and weight. For example, as the load on the boom increases, the pressure compensation mechanism increases the hydraulic pressure, ensuring consistent force and control throughout the operation.
  • Integration with Load Sensing Systems: Boom cylinders can be integrated with load sensing systems that provide real-time feedback on the load capacity and weight. Load sensing systems use sensors to measure the force exerted on the boom or attachment and transmit this information to the hydraulic control system. The hydraulic control system can then adjust the pressure and flow rate to match the load requirements, optimizing the cylinder’s performance.
  • Multi-Stage Cylinders: In some cases, machinery may be equipped with multi-stage boom cylinders. These cylinders have multiple sections or stages that can be extended or retracted independently. Each stage may have different dimensions and force capabilities. By adjusting the extension or retraction of each stage, the cylinder can adapt to varying load capacities and weight distributions, providing precise control and handling.

By incorporating these design features and mechanisms, a boom cylinder can effectively handle variations in load capacity and weight. This allows the machinery to perform a wide range of tasks with different load requirements, providing versatility and efficiency in industries such as construction, mining, material handling, and more.

boom cylinder

Can boom cylinders be used in mining equipment for material transport?

Yes, boom cylinders can be used in mining equipment for material transport. Here’s a detailed explanation:

Mining operations involve the extraction, transportation, and processing of various types of materials, such as ores, coal, and minerals. Boom cylinders play an important role in mining equipment for material transport. Here’s how boom cylinders are utilized in this context:

  • Excavators: Excavators are commonly used in mining operations for digging and loading materials onto trucks or conveyors. Boom cylinders in excavators enable the controlled movement and positioning of the boom and bucket. They provide the necessary force to lift and transport large volumes of material efficiently and safely.
  • Articulated Trucks: Articulated trucks are used for transporting mined materials within the mining site. Boom cylinders are employed in the dump body of articulated trucks to facilitate controlled dumping of the materials. The cylinders enable the lifting and tilting of the dump body, allowing the material to be discharged at desired locations.
  • Stackers and Reclaimers: Stackers and reclaimers are used in mining and bulk material handling operations to stack and reclaim materials in stockpiles. Boom cylinders are utilized in the boom or conveyor systems of these machines to control the movement and positioning of the boom or conveyor. This enables the precise stacking and reclaiming of materials, optimizing storage capacity and material flow.
  • Ship Loaders and Unloaders: Ship loaders and unloaders are specialized equipment used in mining ports and terminals. Boom cylinders are integral components of these machines, enabling the controlled movement and positioning of the boom or conveyor systems. They facilitate the loading or unloading of materials onto or from ships with precision and efficiency.

The use of boom cylinders in mining equipment for material transport offers several benefits:

  • Efficient Material Handling: Boom cylinders provide the necessary force and controlled movement to handle large volumes of materials efficiently. They enable quick and precise loading, unloading, stacking, and reclaiming of materials, optimizing productivity and reducing operational costs.
  • Versatility: Boom cylinders can be customized to match the specific requirements of different mining equipment and material transport tasks. They can accommodate varying load capacities, reach requirements, and operating conditions, ensuring versatility in material handling operations.
  • Operator Safety: Boom cylinders contribute to operator safety during material transport operations. The controlled movement and stability provided by boom cylinders minimize the risk of accidents or injuries caused by uncontrolled material movement or sudden shifts in load.
  • Durability: Boom cylinders are designed to withstand the demanding conditions of mining environments. They are constructed with robust materials and sealing systems to ensure durability and longevity, even in harsh operating conditions.

Overall, boom cylinders are valuable components in mining equipment for material transport. They enable efficient material handling, versatility, operator safety, and durability in mining operations.

It’s important to consult the equipment manufacturer’s guidelines and recommendations to ensure the proper selection, installation, and maintenance of boom cylinders in mining equipment.

boom cylinder

Can you explain the role of hydraulic fluid in a boom cylinder?

Hydraulic fluid plays a crucial role in the operation of a boom cylinder in heavy machinery. Here’s a detailed explanation of its role:

  • Transmission of Power: Hydraulic fluid is the medium through which power is transmitted in a boom cylinder. When hydraulic fluid is supplied under pressure to one side of the cylinder, it exerts force on the piston, causing it to move. This movement is then transferred to the boom, enabling its extension, retraction, lifting, or lowering. The ability of hydraulic fluid to transmit power efficiently allows for smooth and controlled operation of the boom cylinder.
  • Force Generation: Hydraulic fluid is responsible for generating the force required to move the boom. The pressure applied to the hydraulic fluid creates a force that acts on the piston, creating a pushing or pulling action. This force is then transmitted to the boom through the piston and rod, allowing for the desired movement. The force generated by the hydraulic fluid depends on the pressure applied and the effective area of the piston.
  • Control of Movement: Hydraulic fluid enables precise control of the boom cylinder’s movement. By regulating the flow and pressure of the hydraulic fluid, operators can control the speed, direction, and extent of the boom’s extension, retraction, lifting, or lowering. This control allows for accurate positioning of the boom, precise load handling, and safe operation of the heavy machinery.
  • Heat Dissipation: Hydraulic fluid also plays a role in dissipating heat generated during the operation of the boom cylinder. As hydraulic fluid flows through the system, it absorbs heat from the hydraulic components and transfers it to the reservoir or other heat dissipation mechanisms. Adequate heat dissipation prevents the hydraulic fluid from overheating, which could lead to a loss of performance or damage to the components.
  • Lubrication and Seal Protection: Hydraulic fluid provides lubrication to the moving components within the boom cylinder, such as the piston, rod, and seals. This lubrication minimizes friction and wear, ensuring smooth and efficient operation of the cylinder. Additionally, hydraulic fluid helps protect the seals from drying out or being damaged by contaminants, maintaining the integrity of the cylinder and preventing fluid leakage.
  • System Stability and Safety: The proper selection and maintenance of hydraulic fluid contribute to the stability and safety of the boom cylinder system. Using the recommended hydraulic fluid with the appropriate viscosity and additives ensures optimal performance and protects the system from wear, corrosion, and fluid breakdown. Regular monitoring and maintenance of the hydraulic fluid help identify potential issues, such as contamination or degradation, and prevent system failures or malfunctions.

In summary, hydraulic fluid plays a vital role in a boom cylinder by transmitting power, generating force, controlling movement, dissipating heat, providing lubrication and seal protection, and contributing to system stability and safety. Its properties and effective utilization are essential for the efficient and reliable operation of the boom cylinder in heavy machinery.

China best Excavator Hydraulic Cylinder Boom Arm Cylinder E349d Bucket Cylinder   vacuum pump connector	China best Excavator Hydraulic Cylinder Boom Arm Cylinder E349d Bucket Cylinder   vacuum pump connector
editor by CX 2023-11-27