China OEM front flange double acting hydraulic cylinder 50 t vacuum pump design

Product Description

front flange double acting hydraulic cylinder 50 t

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


rotary cylinder

How do rotary cylinders manage variations in hydraulic pressure and flow rate?

Rotary cylinders are designed to effectively manage variations in hydraulic pressure and flow rate. Here’s a detailed explanation:

1. Pressure Regulation: Rotary cylinders incorporate various mechanisms to manage variations in hydraulic pressure. These mechanisms include pressure relief valves, pressure control valves, and flow control valves. Pressure relief valves are designed to protect the cylinder and the hydraulic system from excessive pressure by diverting excess fluid flow back to the reservoir. Pressure control valves, such as pressure reducing valves or pressure sequence valves, are used to regulate the pressure applied to the rotary cylinder. These valves ensure that the cylinder operates within the desired pressure range, accommodating variations in the hydraulic system.

2. Flow Control: Rotary cylinders also utilize flow control mechanisms to manage variations in hydraulic flow rate. Flow control valves, such as flow restrictors or flow control regulators, are employed to control the amount of fluid flowing into or out of the cylinder. By adjusting the opening of these valves, the flow rate can be regulated, allowing for precise control of the cylinder’s rotational speed or angular displacement. Flow control valves help manage variations in flow rate and optimize the cylinder’s performance.

3. Proportional Control: Proportional control valves are often used in conjunction with rotary cylinders to manage variations in pressure and flow rate. These valves provide continuous and precise control over the hydraulic pressure and flow by adjusting the valve opening proportionally to the input signal. Proportional control allows for real-time adjustments in response to changing operational requirements, ensuring accurate and efficient management of pressure and flow variations.

4. Feedback Devices: Rotary cylinders can incorporate feedback devices, such as pressure sensors and flow sensors, to monitor and provide feedback on the hydraulic pressure and flow rate. These sensors provide real-time information about the operating conditions, allowing for dynamic adjustments to maintain desired pressure and flow levels. Feedback devices help ensure the stability and consistency of the cylinder’s performance, even in the presence of variations in hydraulic pressure and flow rate.

5. Accumulators: In some cases, rotary cylinders can utilize hydraulic accumulators to manage variations in pressure and flow rate. Accumulators store hydraulic energy in the form of pressurized fluid, which can be released when needed to compensate for fluctuations in pressure or flow. By providing an additional source of energy, accumulators help maintain consistent pressure and flow, preventing adverse effects caused by sudden changes in hydraulic conditions.

6. System Design and Optimization: Proper system design and optimization play a crucial role in managing variations in hydraulic pressure and flow rate. This includes selecting appropriate components, sizing the hydraulic lines, and ensuring proper fluid filtration and conditioning. By designing the hydraulic system to match the requirements of the rotary cylinder and the application, variations in pressure and flow rate can be effectively managed, resulting in optimal performance.

By employing these strategies and mechanisms, rotary cylinders can effectively manage variations in hydraulic pressure and flow rate, ensuring reliable and consistent performance in a wide range of applications.

rotary cylinder

Can rotary cylinders be repaired or maintained when needed?

Yes, rotary cylinders can be repaired and maintained when needed to ensure their optimal performance and longevity. Here’s a detailed explanation:

1. Routine Maintenance: Regular maintenance is essential to keep rotary cylinders in good working condition. This includes tasks such as cleaning, lubrication, and inspection of components. Routine maintenance helps prevent issues and prolongs the cylinder’s lifespan.

2. Seal Replacement: Seals are critical components of rotary cylinders and may require periodic replacement due to wear or damage. Replacing seals at recommended intervals helps maintain proper sealing and prevent fluid leaks.

3. Component Replacement: In case of component failure or damage, individual components of the rotary cylinder can be replaced. This may include piston rods, seals, bearings, or other internal parts. Replacement parts should be sourced from reputable manufacturers or suppliers to ensure compatibility and quality.

4. Fluid Flush and Filter Replacement: Over time, hydraulic or pneumatic fluid used in rotary cylinders may become contaminated with particles or degrade in quality. Performing fluid flushes and replacing filters at recommended intervals helps maintain the cleanliness and performance of the fluid and extends the life of the rotary cylinder.

5. Repairs: In the event of major damage or malfunction, rotary cylinders can be repaired. Skilled technicians or authorized service centers can diagnose the issue, disassemble the cylinder, and perform repairs such as welding, re-machining, or replacing damaged parts. It is important to follow proper repair procedures and use appropriate techniques to ensure the cylinder’s integrity and performance.

6. Reconditioning: Rotary cylinders that have undergone extensive use or have been in operation for a long time may benefit from reconditioning. Reconditioning involves thorough inspection, cleaning, and refurbishment of the cylinder to restore its performance and functionality. This process may include repairs, replacement of worn components, and performance testing.

7. Documentation and Guidelines: Manufacturers provide documentation, guidelines, and technical specifications for their rotary cylinders. These resources often include information on maintenance procedures, recommended service intervals, and troubleshooting guidance. Following the manufacturer’s recommendations ensures that maintenance and repairs are carried out correctly.

It is important to note that the extent of repair and maintenance that can be performed on a rotary cylinder may vary depending on factors such as its design, complexity, and availability of spare parts. It is recommended to consult the manufacturer’s documentation or seek assistance from qualified professionals for specific repair and maintenance needs.

rotary cylinder

How do rotary cylinders handle variations in rotation and positioning?

Rotary cylinders are designed to handle variations in rotation and positioning with precision and control. Here’s a detailed explanation:

Rotation Variations:

1. Actuation Method: Rotary cylinders use different actuation methods, such as hydraulic or pneumatic pressure, to generate rotational motion. By varying the pressure or flow rate of the fluid, the speed and torque of the rotation can be adjusted to meet specific requirements.

2. Control Valves: Control valves are used to regulate the fluid flow into and out of the rotary cylinder. By adjusting the valve settings, the rotational speed and direction can be controlled, allowing for variations in rotation as needed.

3. Feedback Systems: Some rotary cylinders incorporate feedback systems, such as position sensors or encoders, to provide real-time information about the cylinder’s rotational position. This feedback enables precise control and the ability to handle variations in rotation accurately.

Positioning Variations:

1. Stroke Adjustment: Rotary cylinders often have adjustable stroke lengths, which allow for variations in the positioning of the rotary motion. By adjusting the stroke, the range of the rotary movement can be customized to suit the specific application.

2. Positioning Guides: Rotary cylinders may feature positioning guides, such as grooves or slots, that help guide and stabilize the rotational movement. These guides ensure accurate positioning and minimize deviations or wobbling during operation.

3. Limit Switches: Limit switches or proximity sensors are sometimes used in rotary cylinders to define specific positions or limit the rotary motion within a predetermined range. These switches provide feedback to the control system, enabling precise positioning control.

4. Precision Manufacturing: Rotary cylinders are manufactured with high precision to ensure smooth and accurate rotation. The use of high-quality materials, precision machining, and tight tolerances contribute to minimizing variations in rotation and positioning.

Overall, the combination of actuation methods, control valves, feedback systems, stroke adjustment, positioning guides, limit switches, and precision manufacturing allows rotary cylinders to handle variations in rotation and positioning with the required level of accuracy and control.

It’s important to refer to the manufacturer’s specifications and guidelines for specific information on the capabilities and limitations of rotary cylinders in handling rotation and positioning variations.

China OEM front flange double acting hydraulic cylinder 50 t   vacuum pump design		China OEM front flange double acting hydraulic cylinder 50 t   vacuum pump design
editor by Dream 2024-04-24