China Hot selling 200 Ton Double Acting Hydraulic Cylinder for Lifting vacuum pump booster

Product Description

200 Ton Double Acting Hydraulic Cylinder for Lifting

1. Describe:
High pressure electric hydraulic cylinder is powered by ZB series of high pressure electric oil pump,
the function for oil pressure rebound, overflow, it is designed a safe protect pressurizer, it can
protect emergent over pressure, especial construction can protect jack. Hydraulic jack can bear
partial loading is 5% of rated pressure. High pressure alloy cylinder is very durable, especially
in the larger project, it is easily to be operated and control. It can be used for lifting heavy machine,
bridge project, hydraulic engineering, harbour construction and other equipment. It has large output,
light weight, remote control and other advantages, it can match with our high pressure oil pump, it
can reach jack, push, pull and extrusion and kinds of working.

2. Technology parameters:

Model Tonnage
B-A mm
Closed height
A mm
Extend height
B mm
Outer diameter of oil cylinder
Dimension of plunger
Dimension of oil pump
Pressure Recommend electric oil pump
STQ50-100 50 100 225 325 127 70 100 35 63MPA 50T-200T
0.55KW 0.75KW
1.5KW 3KW
4KW 5.5KW
STQ50-160 160 285 445 39
STQ50-200 200 325 525 46
STQ50-300 300 425 725 48
STQ50-500 500 625 1125 63
STQ100-100 100 100 250 350 180 100 140 58 63MPA
STQ100-160 160 310 470 63
STQ100-200 200 350 550 78
STQ100-300 300 450 750 96
STQ100-500 500 650 1150 130
STQ150-100 150 100 260 360 219 125 180 58 63MPA
STQ150-160 160 320 480 69
STQ150-200 200 360 560 86
STQ150-300 300 460 760 103
STQ150-500 500 660 1160 255
STQ200-100 200 100 285 385 240 150 200 96 63MPA
STQ200-160 160 345 505 103
STQ200-200 200 385 585 116
STQ200-300 300 485 785 161
STQ200-500 500 685 1185 221
STQ320-100 320 100 310 410 330 180 250 196 63MPA 1.5KW 3KW
4KW 5.5KW
STQ320-160 160 370 530 240
STQ320-200 200 410 610 258
STQ320-300 300 510 810 311
STQ320-500 500 710 1210 456
STQ400-100 400 100 355 455 380 200 290 198 63MPA 3KW 4KW
5.5KW 7.5KW
STQ400-160 160 415 575 231
STQ400-200 200 460 660 264
STQ400-300 300 555 855 367
STQ400-500 500 755 1255 456
STQ500-100 500 100 360 460 430 200 320 323 63MPA 3KW 4KW
5.5KW 7.5KW
STQ500-160 160 420 580 330
STQ500-200 200 460 660 420
STQ500-300 300 560 860 581
STQ500-500 500 760 1260 599
STQ630-100 630 100 417 517 500 250 360 560 63MPA 4KW 5.5KW
7.5KW 11KW
STQ630-160 160 477 637 633
STQ630-200 200 517 717 696
STQ630-300 300 617 917 898
STQ630-500 500 817 1317 1250
STQ800-100 800 100 488 588 560 300 400 896 63MPA 7.5KW 11KW
STQ800-200 200 598 798 1040
STQ800-300 300 698 998 1380
STQ800-500 500 898 1398 1520
STQ1000-100 1000 100 530 630 600 320 450 1286 63MPA 7.5KW 11KW
STQ1000-200 200 630 830 1332
STQ1000-300 300 760 1060 1663

Our hydraulic jacks have been widely used for industrial field, such as steel plant, cement industry, chemical and refinery, bridge, railway, highway, hydropower station, ship repair, building, construction and maintenance.

4.Company information:
HangZhou Lead Equipment Co., Ltd. Have been in hydraulic tools industry since 2009.
Our main products as follow:
Single acting hydraulic jack/cylinder/ram (10-100 tons)
Single acting hollow hydraulic jack/cylinder/ram (12-100 tons)
Double acting hydraulic jack/cylinder/ram (50-2000 tons)
Double acting hollow hydraulic jack/cylinder/ram (50-2000 tons)
Single acting hydraulic jack/cylinder/ram with lock nut (55-200 tons)
Thin type single acting hydraulic jack/cylinder/ram (10-200 tons)
Ultrathin hydraulic jack/cylinder/ram (10-200 tons)
Flange type hydraulic jack/cylinder/ram (10-630 tons)
Synchronous hydraulic jack (10-1000 tons)
Hydraulic accessories: high pressure oil hose, couplers, seal kits, mainfold, etc.
All the tonnage, stroke, height can be customized according to client’s requirements, supply the best quality and serve. Our warranty is 2 years.

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Material: Steel
Usage: Automation and Control
Structure: Plunger Cylinder
Power: Hydraulic
Standard: Standard
Pressure Direction: Double-acting Cylinder


double acting hydraulic cylinder

Can double-acting hydraulic cylinders be repaired or maintained when needed?

Yes, double-acting hydraulic cylinders can be repaired and maintained when needed. Here’s a detailed explanation:

1. Inspection and Diagnosis: When a double-acting hydraulic cylinder requires repair or maintenance, the first step is to conduct a thorough inspection and diagnosis. This involves examining the cylinder for any visible damage, leaks, or signs of wear. Additionally, the hydraulic system and associated components should be checked for proper operation and potential issues. Through inspection and diagnosis, the specific problem or maintenance requirement can be identified.

2. Seal Replacement: One of the most common maintenance tasks for double-acting hydraulic cylinders is seal replacement. Seals, such as piston seals and rod seals, are critical components that prevent fluid leakage and maintain system integrity. Over time, seals can wear out or become damaged, leading to leaks and reduced performance. By replacing worn or damaged seals, the cylinder’s functionality can be restored.

3. Component Repair or Replacement: Depending on the nature and extent of the issue, specific components of the double-acting hydraulic cylinder may need repair or replacement. This can include repairing or replacing damaged pistons, rods, glands, or other internal parts. In cases where the damage is extensive or the component is beyond repair, a complete replacement may be necessary.

4. Fluid and Filter Maintenance: Proper fluid and filter maintenance is essential for the optimal performance and longevity of hydraulic cylinders. Regular fluid checks, fluid level adjustments, and fluid replacements are part of routine maintenance. Similarly, filters should be inspected and replaced as needed to prevent contamination and ensure the cleanliness of the hydraulic fluid.

5. Lubrication: Lubrication is vital for the smooth operation of double-acting hydraulic cylinders. Lubrication points, such as pivot points and sliding surfaces, should be regularly lubricated with the appropriate lubricant. This helps reduce friction, wear, and potential damage to the cylinder components.

6. Testing and Calibration: After repairs or maintenance activities, it is important to perform testing and calibration to ensure that the double-acting hydraulic cylinder is functioning correctly. This may involve checking for proper operation, verifying the cylinder’s force output, and conducting leakage tests. Testing and calibration help validate the effectiveness of the repair or maintenance work.

7. Preventive Maintenance: Implementing a preventive maintenance program is highly recommended to proactively address potential issues and extend the lifespan of double-acting hydraulic cylinders. This includes regular inspections, scheduled maintenance tasks, and adherence to manufacturer-recommended service intervals. Preventive maintenance helps identify and address problems before they cause significant damage or system failures.

8. Professional Assistance: In complex repair or maintenance situations, or when specialized knowledge is required, seeking professional assistance is advisable. Hydraulic system experts or certified technicians can provide the necessary expertise and ensure that repairs and maintenance are conducted safely and effectively.

By performing regular maintenance and addressing repairs promptly, double-acting hydraulic cylinders can be kept in optimal condition, ensuring their reliable operation and longevity.

double acting hydraulic cylinder

Can double-acting hydraulic cylinders be used in hydraulic presses for material forming?

Yes, double-acting hydraulic cylinders are commonly used in hydraulic presses for material forming processes. Here’s a detailed explanation:

1. Generating High Force: Hydraulic presses require a significant amount of force to deform and shape materials. Double-acting hydraulic cylinders are capable of generating high forces in both the extending and retracting strokes. This bidirectional force generation is crucial for material forming operations, as it allows for consistent and controlled force application throughout the entire forming process.

2. Precise Force Control: Double-acting hydraulic cylinders offer precise control over force application. The flow rate and pressure of the hydraulic fluid can be regulated using valves and control mechanisms. By adjusting these parameters, operators can control the speed, intensity, and duration of the force applied by the cylinder. This level of control ensures accurate and repeatable material forming, preventing over- or under-forming and achieving the desired dimensional accuracy.

3. Adjustable Stroke Length: Double-acting hydraulic cylinders often feature adjustable stroke lengths. The stroke length refers to the distance the piston can travel within the cylinder. By adjusting the position of the end stops or limit switches, operators can modify the stroke length to match the specific material forming requirements. This adjustability allows for flexibility in accommodating different material thicknesses, shapes, and forming profiles.

4. Flexibility in Die Design: Hydraulic presses utilizing double-acting cylinders offer flexibility in die design. The die is the tooling used to shape and form the material. With the bidirectional force generation of double-acting cylinders, the die can be designed for both positive and negative forming actions. Whether it’s bending, deep drawing, embossing, or other forming processes, the hydraulic press can exert force in the desired direction to achieve the desired material deformation.

5. Damping and Shock Absorption: Material forming processes in hydraulic presses often involve high impact forces. Double-acting hydraulic cylinders are equipped with damping and shock absorption features to minimize vibrations and prevent damage. They may incorporate adjustable cushions or shock absorbers at the end of the cylinder stroke, decelerating the piston before it reaches the end of its travel. These features contribute to stable force application, protect the hydraulic system, and ensure the longevity of the press.

6. Safety Measures: Hydraulic presses incorporating double-acting hydraulic cylinders often include safety measures to protect operators and prevent accidents. These may include emergency stop buttons, safety interlocks, and pressure relief valves. These safety features help ensure the safe operation of the press and protect against excessive forces or unexpected movements.

Given their ability to generate high force, precise force control, adjustable stroke length, flexibility in die design, damping and shock absorption features, as well as the inclusion of safety measures, double-acting hydraulic cylinders are well-suited for use in hydraulic presses for material forming processes. They play a crucial role in achieving accurate and efficient material shaping and are widely used in industries such as automotive, aerospace, and manufacturing.

double acting hydraulic cylinder

How does a double-acting hydraulic cylinder handle variations in hydraulic pressure?

A double-acting hydraulic cylinder is designed to handle variations in hydraulic pressure while maintaining its functionality and performance. Here’s a detailed explanation:

1. Balanced Design: Double-acting hydraulic cylinders are designed with a balanced piston and rod arrangement. This design ensures that the hydraulic pressure acts equally on both sides of the piston, allowing for consistent and balanced force generation. As a result, the cylinder can handle variations in hydraulic pressure without compromising its ability to extend and retract smoothly.

2. Efficient Sealing System: Double-acting cylinders incorporate a sealing system that helps maintain the integrity of the hydraulic fluid and prevents leakage. The piston and rod seals, typically made of materials like rubber or polyurethane, create a tight seal between the piston and the cylinder barrel. This sealing system ensures that hydraulic pressure is effectively contained within the cylinder, reducing the impact of pressure variations on the cylinder’s performance.

3. Pressure Relief Mechanism: In situations where there are significant variations in hydraulic pressure, double-acting hydraulic cylinders may incorporate a pressure relief mechanism. This mechanism allows excess pressure to be released from the cylinder, preventing damage to the seals and other internal components. Pressure relief valves or adjustable relief valves are commonly used to regulate the pressure within the cylinder and protect it from excessive pressure fluctuations.

4. Robust Construction: Double-acting hydraulic cylinders are constructed using high-strength materials such as steel or aluminum. This robust construction enables the cylinder to withstand variations in hydraulic pressure without deformations or failures. The materials used, along with proper engineering and manufacturing techniques, ensure the structural integrity of the cylinder even under challenging pressure conditions.

5. Performance Testing and Quality Control: Manufacturers of double-acting hydraulic cylinders subject their products to rigorous performance testing and quality control measures. These tests evaluate the cylinder’s ability to handle variations in hydraulic pressure, ensuring that it meets the required performance and safety standards. Through these quality control processes, any potential issues related to pressure variations are identified and addressed before the cylinder is deployed.

By employing a balanced design, efficient sealing system, pressure relief mechanisms, robust construction, and thorough quality control, double-acting hydraulic cylinders can effectively handle variations in hydraulic pressure. These features ensure the cylinder’s reliability, longevity, and consistent performance in diverse hydraulic systems and applications.

China Hot selling 200 Ton Double Acting Hydraulic Cylinder for Lifting   vacuum pump booster	China Hot selling 200 Ton Double Acting Hydraulic Cylinder for Lifting   vacuum pump booster
editor by Dream 2024-05-08

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