Product Description

50 ton double acting STQ Series hydraulic lift cylinders    

1.Describe:
Hydraulic cylinder 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. Features

1. Integral stop ring provides piston blow-out protection
2. Double-acting for positive retraction
3. Baked enamel outside finish and plated pistons provide superior corrosion resistance
4. Safety valve in retract side of cylinder helps to prevent damage in case of accidental over-pressurization
5. Interchangeable, hardened grooved saddles are standard
6. Plunger wiper reduces contamination, extending cylinder life

Model Tonnage T Stroke mm Closed height mm Extend height mm Outer diameter of oil cylinder mm Dimension of plunger mm Dimension of oil pump  mm Weight kg Pressure
STQ50-100 50 100 225 325 127 70 100 35 63MPA
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
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
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
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
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
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
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
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
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
STQ1000-200 200 630 830 1332
STQ1000-300 300 760 1060 1663

If the model you are looking for is not available, please contact us! We will customize it according to your needs.

3. Application:
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.

Certification: CE, SGS
Pressure: High Pressure
Work Temperature: Normal Temperature
Acting Way: Double Acting
Working Method: Rotary
Adjusted Form: Switching Type
Customization:
Available

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lift cylinder

How does a lift cylinder handle variations in fluid pressure and flow rate?

A lift cylinder is designed to handle variations in fluid pressure and flow rate in order to ensure smooth and controlled operation. Here's an explanation of how lift cylinders handle these variations:

1. Fluid Pressure:

Lift cylinders are typically part of a hydraulic system that utilizes pressurized fluid to generate the necessary force for lifting. The lift cylinder is designed to withstand varying fluid pressure levels. When the fluid pressure is increased, the lift cylinder can handle the additional force exerted on its piston. Conversely, when the fluid pressure decreases, the lift cylinder adjusts accordingly and maintains its functionality.

2. Flow Rate:

The flow rate of hydraulic fluid determines the speed at which the lift cylinder extends or retracts. Lift cylinders are designed to accommodate variations in flow rate. By controlling the flow rate of the hydraulic fluid through the use of control valves or flow control devices, operators can adjust the speed of the lift cylinder's movement. This allows for precise and controlled lifting operations.

3. Control Valves:

Control valves are an integral part of the hydraulic system that regulates the fluid pressure and flow rate. Lift cylinders are often equipped with control valves that enable operators to control the movement of the cylinder by adjusting the pressure and flow of the hydraulic fluid. These valves can be manually operated or automated, providing flexibility in handling variations in fluid pressure and flow rate.

4. Cylinder Design:

Lift cylinders are designed to be robust and durable, capable of withstanding variations in fluid pressure and flow rate. The cylinder's construction and materials are selected to ensure optimal performance under different operating conditions. Seals and other components within the lift cylinder are designed to maintain their functionality and prevent leakage, even when subjected to changes in fluid pressure and flow rate.

5. Fluid Control Systems:

In more advanced lift cylinder systems, fluid control systems may be employed to handle variations in fluid pressure and flow rate. These systems can include pressure relief valves, flow control valves, or proportional valves. Pressure relief valves protect the lift cylinder and the hydraulic system from excessive pressure, while flow control valves regulate the flow rate of the hydraulic fluid. Proportional valves provide precise control over both pressure and flow, allowing for fine-tuning of the lift cylinder's movement.

In summary, lift cylinders are designed to handle variations in fluid pressure and flow rate to ensure smooth and controlled lifting operations. With the use of control valves, robust cylinder design, and fluid control systems, lift cylinders can adapt to changes in fluid pressure and flow rate, providing reliable and efficient performance.

lift cylinder

How Does a Lift Cylinder Handle Variations in Cylinder Mounting and Configuration?

A lift cylinder is designed to handle variations in cylinder mounting and configuration, allowing for flexibility in different application scenarios. The construction and features of lift cylinders enable them to adapt to different mounting orientations and accommodate variations in configuration. Here's a detailed explanation of how a lift cylinder handles variations in cylinder mounting and configuration:

  1. Mounting Flexibility:
  2. Lift cylinders are engineered to provide mounting flexibility, allowing them to be installed in various orientations and positions. They can be mounted vertically, horizontally, or at inclined angles, depending on the specific requirements of the application. Lift cylinders often feature versatile end caps, mounting brackets, or clevis mounts that can be adjusted or rotated to accommodate different mounting orientations. This flexibility enables lift cylinders to fit into different equipment designs and configurations.

  3. Adjustable Stroke Length:
  4. Stroke length refers to the distance the piston rod of a lift cylinder extends or retracts during operation. Lift cylinders are designed with adjustable stroke length capabilities, which allow for customization according to specific mounting and configuration requirements. By adjusting the stroke length, the lift cylinder can accommodate variations in the available space or the desired range of motion. This adjustability ensures that the cylinder can be properly installed and operate effectively within the given constraints.

  5. Modular Design:
  6. Many lift cylinders feature a modular design, allowing for easy customization and adaptation to different mounting and configuration needs. Modular lift cylinders consist of separate components that can be assembled or disassembled, providing flexibility in terms of length, rod diameter, mounting options, and other specifications. These modular components can be combined or replaced to match specific equipment requirements. The modular design enables lift cylinders to handle variations in mounting and configuration, making them versatile and adaptable for different applications.

  7. Flexible Mounting Accessories:
  8. Lift cylinders are often accompanied by a range of mounting accessories and attachments that enhance their adaptability. These accessories include clevis brackets, trunnion mounts, spherical bearings, pivot pins, and other connection components. These mounting accessories offer multiple options for securely attaching the lift cylinder to the equipment or machinery. They provide flexibility in terms of positioning, alignment, and angle adjustment, enabling the lift cylinder to accommodate variations in cylinder mounting and configuration.

  9. Customization Options:
  10. Lift cylinder manufacturers often offer customization options to meet specific mounting and configuration requirements. This customization may involve modifications to the cylinder's dimensions, mounting interfaces, rod ends, or other design aspects. By working closely with the manufacturer, equipment designers and engineers can ensure that the lift cylinder is tailored to fit the unique mounting and configuration needs of their application. Customization options allow for precise integration of the lift cylinder, ensuring optimal performance and compatibility.

  11. Compliance with Industry Standards:
  12. Lift cylinders adhere to industry standards and guidelines, ensuring compatibility with commonly used mounting and configuration practices. These standards establish criteria for cylinder dimensions, mounting hole patterns, rod end dimensions, and other specifications. By complying with these standards, lift cylinders ensure that they can be easily integrated into various equipment designs and configurations without requiring significant modifications or adaptations.

The combination of mounting flexibility, adjustable stroke length, modular design, flexible mounting accessories, customization options, and compliance with industry standards enables lift cylinders to handle variations in cylinder mounting and configuration. This adaptability allows lift cylinders to be effectively utilized in a wide range of applications, accommodating different equipment designs and requirements.

lift cylinder

How does a lift cylinder handle variations in lift height?

A lift cylinder is designed to handle variations in lift height by utilizing its extendable and retractable piston rod. Here's an explanation of how a lift cylinder handles variations in lift height:

When a lift cylinder is activated, hydraulic fluid is directed into the cylinder chamber, creating pressure that extends the piston rod. As the piston rod extends, it pushes against the load, lifting it to the desired height.

When there are variations in lift height, the lift cylinder adjusts accordingly by controlling the extension and retraction of the piston rod. Here's how it works:

1. Extending the Piston Rod:

When the lift height needs to increase, the lift cylinder extends the piston rod further. This extension is achieved by increasing the flow of hydraulic fluid into the cylinder chamber. The increased fluid pressure pushes the piston and rod assembly, extending the rod and lifting the load to the required height.

2. Retracting the Piston Rod:

Conversely, when the lift height needs to decrease, the lift cylinder retracts the piston rod. This retraction is achieved by reducing the flow of hydraulic fluid into the cylinder chamber. The decreased fluid pressure allows the piston and rod assembly to retract, lowering the load to the desired height.

3. Precise Control and Positioning:

Lift cylinders are equipped with valves and control mechanisms that allow for precise control and positioning of the piston rod. By regulating the flow of hydraulic fluid and adjusting the pressure, the lift cylinder can achieve accurate and controlled movements, enabling it to handle variations in lift height with precision.

4. Adjustable Stroke Length:

Some lift cylinders have an adjustable stroke length, which refers to the distance the piston rod can travel within the cylinder barrel. By customizing the stroke length, the lift cylinder can accommodate different variations in lift height. The stroke length can be modified by adjusting the cylinder's dimensions or incorporating additional components.

5. Integration with Control Systems:

Advanced lift cylinder systems can be integrated with control systems, such as electronic controls or programmable logic controllers (PLCs), to automate and optimize lift height adjustments. These control systems can monitor and adjust the lift cylinder's movements based on predetermined parameters or feedback from sensors, ensuring precise and consistent lift height control.

In summary, a lift cylinder handles variations in lift height by extending or retracting the piston rod, controlling the flow and pressure of hydraulic fluid, achieving precise control and positioning, utilizing adjustable stroke length, and integrating with control systems. These capabilities enable the lift cylinder to adapt to different lift height requirements and provide accurate and controlled lifting operations.

China high quality 50 ton double acting STQ Series hydraulic lift cylinders   with Best Sales China high quality 50 ton double acting STQ Series hydraulic lift cylinders   with Best Sales
editor by CX 2023-10-25