Product Description

                                                                HYDRAULIC CYLINDER

  Widely used in equipment for Construction, Coal&mine, Agriculture , Aerial work table and Environmental sanitation etc.



Features    customized hydraulic cylinder  
Bore Diameter   2′-50’/50-1500mm
Rod Diameter   1′ – 60’/25 -1000 mm
Wall Thickness    0.1′-4’/3-100 mm
Max Stroke   366’/9280 mm
Max Pressure   9600 psi/600 bar
Test Pressure   14500 psi/1000 bar
Material      20#,40#,45#,16Mn,27SiMn,etc
Seal Kits   Hallite, Parker, NOK, DICHTOMATIK, Trelleborg, Merkel
Dimensional Accuracy  H7-H11
Bore Roughness   Ra 0.4-1.6mm
Coating   hard chrome 
Purpose  engineering, Coal &mining, agricultural machinery, environmental sanitation
MOQ   1 Piece
Certificates  ISO9001,CE, CCS


Q1. Are you a manufacturer?

Yes, we have manufactured hydraulic cylinders for over 30 years. They are widely used in Engineers, Coal&mine, Agriculture and Environmental Sanitation etc.

Q2. Do your products come with a warranty?

Yes, we have 1 year warranty.

Q3. Can we customize our products from you?

Yes, actually 70% of our products are customized for our clients. You just need to let us know your demand (specifications &drawing is better), and we shall realize them for you.

Q4. How do you deliver the products?

By sea, by plane, or by couriers.

Q5. How many days the samples can be finished, And how about the mass production?

Generally 5-7days for samples making. The lead time of mass production will depend on quality, production art and so on. Generally 35days.

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Certification: CE, ISO9001
Pressure: High Pressure
Work Temperature: -40~120
Acting Way: Double Acting
Working Method: Straight Trip
Structure: Piston Type


hydraulic cylinder

Can hydraulic rams be customized for specific machinery and equipment?

Yes, hydraulic rams can be customized to meet the specific requirements of different machinery and equipment. Here’s a detailed explanation:

1. Size and Capacity: Hydraulic rams can be customized in terms of size and capacity to match the specific needs of machinery and equipment. The dimensions and specifications of the ram can be adjusted to ensure compatibility with the available space and the desired force output. This allows for efficient integration and optimal performance within the given machinery or equipment.

2. Pressure and Flow Requirements: Hydraulic rams can be tailored to operate within specific pressure and flow ranges. The hydraulic system can be designed to accommodate the required pressure and flow rates based on the machinery or equipment’s demands. This customization ensures that the hydraulic ram delivers the necessary force and fluid dynamics for efficient operation.

3. Mounting and Connection Options: Hydraulic rams can be customized with various mounting and connection options to facilitate easy installation and integration with specific machinery or equipment. Mounting brackets, flanges, or other attachment mechanisms can be designed to align with the mounting points or interfaces of the target equipment. This simplifies the installation process and ensures a secure and reliable connection.

4. Material Selection: The choice of materials for constructing a hydraulic ram can be customized to suit the requirements of the machinery or equipment. Different materials offer varying levels of strength, corrosion resistance, and durability. By selecting the appropriate materials, the hydraulic ram can withstand the operating conditions and environmental factors specific to the machinery or equipment.

5. Control Systems Integration: Hydraulic rams can be customized to seamlessly integrate with the control systems of the machinery or equipment. This allows for precise control and coordination of the hydraulic ram’s operation, enhancing the overall performance and functionality of the system. Integration options may include sensors, actuators, or electronic interfaces for efficient communication and control.

6. Specialized Features: Depending on the application, hydraulic rams can be customized with specialized features or functionalities. For example, in certain industries, additional safety features such as pressure relief valves or sensors may be required. Customizations can also include specific sealing mechanisms, temperature-resistant components, or adaptations for unique operating conditions.

By offering customization options in terms of size, capacity, pressure and flow requirements, mounting and connection options, material selection, control systems integration, and specialized features, hydraulic rams can be tailored to meet the specific needs of machinery and equipment. This flexibility ensures optimal performance, efficient operation, and seamless integration within the target systems.

hydraulic cylinder

Can hydraulic rams be used in construction equipment like bulldozers?

Yes, hydraulic rams are commonly used in construction equipment like bulldozers. Here’s a detailed explanation:

1. Blade Control: Bulldozers are equipped with large blades mounted at the front, which are used for various tasks such as pushing and leveling soil, debris, or other materials. Hydraulic rams play a crucial role in controlling the movement of these blades. The hydraulic rams are connected to the bulldozer’s hydraulic system and enable the operator to adjust the angle, height, and tilt of the blade. By utilizing hydraulic rams, bulldozer operators can precisely control the blade’s position and apply the necessary force for efficient earthmoving and grading operations.

2. Ripper Attachment: Bulldozers often have ripper attachments at the rear of the machine. The ripper is used to break up hard or compacted soil, rocks, or pavement surfaces. Hydraulic rams are utilized to control the movement of the ripper attachment. The rams enable the operator to raise, lower, and angle the ripper, allowing for effective penetration and loosening of the ground. Hydraulic rams provide the necessary force and control to handle tough materials and enhance the bulldozer’s versatility in various construction applications.

3. Track System: Bulldozers feature a track system for mobility and traction on rough terrain. Hydraulic rams are integral components of the bulldozer’s track system, responsible for controlling the movement and tension of the tracks. The rams allow for adjustments in track tension to optimize the grip and stability of the bulldozer when operating on different ground conditions. By utilizing hydraulic rams in the track system, bulldozers can maneuver efficiently and maintain traction even in challenging construction environments.

4. Hydraulic Power: Hydraulic rams in bulldozers are powered by a hydraulic system that consists of a hydraulic pump, valves, and actuators. The hydraulic system provides the necessary power and control to operate the hydraulic rams effectively. Bulldozers typically have robust hydraulic systems capable of generating high forces, allowing the rams to exert significant pushing or lifting capabilities. The hydraulic power provided by the system enables bulldozers to perform heavy-duty construction tasks with precision and efficiency.

5. Operator Control: Bulldozer operators have control over the hydraulic rams through hydraulic control levers or joysticks in the operator cabin. These controls allow operators to manipulate the position, speed, and force of the hydraulic rams, providing precise control over the blade and ripper attachments. The intuitive and responsive nature of hydraulic controls enhances the operator’s ability to perform tasks accurately and efficiently.

In summary, hydraulic rams are extensively used in construction equipment like bulldozers to control the blade and ripper attachments, manage the track system, provide hydraulic power, and offer operator control. The integration of hydraulic rams enhances the performance, versatility, and productivity of bulldozers in various construction and earthmoving applications.

hydraulic cylinder

How does a hydraulic ram handle variations in hydraulic pressure?

A hydraulic ram is designed to handle variations in hydraulic pressure through the use of specific components and mechanisms. Here’s a detailed explanation:

1. Air Vessel: The air vessel, also known as the air chamber or air dome, is a crucial component in a hydraulic ram. It contains compressed air, which acts as a cushioning medium. When the hydraulic ram is in operation, variations in hydraulic pressure cause fluctuations in water flow. The air vessel absorbs these pressure fluctuations by compressing or expanding the air inside it. This helps maintain a more constant and steady flow of water through the ram.

2. Valve Mechanism: The valve mechanism in a hydraulic ram plays a significant role in handling variations in hydraulic pressure. During the drive phase, the valve opens, allowing water to enter the ram. As the water flows in, it gains velocity and momentum. When the hydraulic pressure reaches a certain threshold, the valve closes rapidly, creating a water hammer effect.

This water hammer effect generates a high-pressure pulse that lifts a portion of the water to a higher elevation. The valve opening and closing are controlled by the pressure differentials and the design of the valve mechanism. This mechanism helps regulate and stabilize the hydraulic pressure within the ram, enabling it to handle variations in pressure.

3. Waste Valve (Optional): Some hydraulic ram designs incorporate a waste valve. The waste valve serves as a safety mechanism to handle excessive pressure build-up. If the pressure inside the ram becomes too high, the waste valve opens, allowing excess water or air to escape. This prevents damage to the hydraulic ram and ensures its safe operation.

4. Seals and Gaskets: Seals and gaskets are essential components that prevent leakage of water or air from the hydraulic ram. They help maintain the necessary pressure differentials and ensure that variations in hydraulic pressure are effectively managed. By preventing leaks, the seals and gaskets contribute to the overall efficiency and performance of the hydraulic ram.

By utilizing these components and mechanisms, a hydraulic ram can effectively handle variations in hydraulic pressure. The air vessel, valve mechanism, optional waste valve, and sealing elements work together to maintain a stable flow and prevent damage to the ram, ensuring its reliable and efficient operation.

China Professional Piston Cylinder Hydraulic RAM for Hydraulic Press   vacuum pump	China Professional Piston Cylinder Hydraulic RAM for Hydraulic Press   vacuum pump
editor by CX 2023-12-26