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.
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| 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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|---|
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.
Can lift cylinders be used in manufacturing and production machinery?
Yes, lift cylinders are commonly used in manufacturing and production machinery. Lift cylinders, also known as hydraulic cylinders, are devices that generate linear force and motion through the use of pressurized hydraulic fluid. They are widely employed in various industrial applications for lifting, pushing, pulling, and holding heavy loads.
In manufacturing and production machinery, lift cylinders play a crucial role in providing controlled movement and force for a wide range of tasks. Here are some examples of how lift cylinders are used:
- Material Handling: Lift cylinders are utilized in machinery such as forklifts, cranes, and material handling equipment to lift and transport heavy objects. They allow for precise positioning and movement of loads, improving efficiency and safety in material handling operations.
- Assembly and Automation: Lift cylinders are integrated into assembly lines and automated machinery to perform tasks like part insertion, pressing, and clamping. They provide the necessary force and motion required for assembling components or joining parts together.
- Presses and Punching Machines: Lift cylinders are employed in presses and punching machines to exert force for bending, forming, and shaping materials. These cylinders ensure accurate and consistent results in metalworking processes.
- Industrial Robots: Lift cylinders are used in robotic systems to enable lifting and manipulation of objects. They facilitate the controlled movement of robot arms and end-effectors, allowing robots to perform tasks such as pick-and-place operations, welding, and painting.
Lift cylinders offer several advantages in manufacturing and production machinery. They provide high force capabilities, precise control over movement, compact design, and the ability to operate in various orientations. Furthermore, their hydraulic nature allows for smooth and gradual acceleration and deceleration, reducing the risk of damage to the machinery or the materials being handled.
In conclusion, lift cylinders are extensively utilized in manufacturing and production machinery across different industries. Their versatility, reliability, and ability to generate controlled linear force make them essential components in a wide range of industrial applications.
What are the key components of a lift cylinder?
A lift cylinder, also known as a hydraulic lift cylinder or hydraulic lifting cylinder, consists of several key components that work together to enable its functionality. Here’s an explanation of the key components of a lift cylinder:
1. Cylinder Barrel:
The cylinder barrel is a cylindrical hollow tube that forms the main body of the lift cylinder. It provides the housing for the other components and contains the hydraulic fluid, allowing it to flow in and out of the cylinder.
2. Piston:
The piston is a cylindrical component that separates the cylinder barrel into two chambers. It is typically made of metal and has a precise fit within the cylinder barrel. The piston’s movement within the cylinder barrel is crucial for generating the lifting force.
3. Rod:
The rod, also known as the piston rod or plunger rod, is attached to the piston and extends from the cylinder barrel. It serves as a connection point for the load or the mechanism being lifted. The rod transfers the lifting force generated by the piston to the load.
4. Seals:
Seals are essential components that prevent hydraulic fluid leakage and maintain the integrity of the hydraulic system. They are located between the cylinder barrel and the piston, as well as around the rod. Seals ensure that the hydraulic fluid remains contained within the cylinder and prevent external contaminants from entering the system.
5. Hydraulic Fluid:
Hydraulic fluid, such as oil or synthetic fluid, is the medium used to transmit force within the lift cylinder. It is stored within the cylinder barrel and flows in and out of the cylinder to generate the necessary pressure for lifting and lowering operations.
6. Control Valve:
A control valve is a crucial component that regulates the flow of hydraulic fluid into and out of the lift cylinder. It determines the direction and amount of fluid entering the cylinder, allowing for precise control of the lifting and lowering operations. The control valve is typically operated by the operator or controlled automatically in hydraulic systems.
These key components work together to enable the operation of the lift cylinder. When hydraulic fluid is supplied to the appropriate chamber of the cylinder, it applies pressure on the piston, causing it to move and extend or retract the rod. This movement generates the lifting or lowering force required for a specific application.
editor by CX 2024-02-21
