Tag Archives: medical cylinder

China Best Sales China Hot Sell 40L Oxygen Medical Gas Cylinder in Stock with Best Sales

Product Description

40L oxygen cylinder,TPED/ISO/EN gas cylinder
Standard ISO9809-3 
Valve:without            Cap: with
Material: 37Mn
Height: 1330mm 
Wall thickness: 5.7 mm 
Weight of seamless: 48kg 
Working pressure:150bar 
Testing pressure:250bar

Nitrogen gas cylinder ,oxygen cylinder.
1. Working pressure come to 150 bar.
2. Hydraulic test pressure: 250bar, water capcity come to 40Liter

So far our products are enjoying good markets at home and exporting to European and American countries, the Middle East countries, West Asia, as well as South and East Asia countries.
The annual production and sale for gas cylinders of below 20L for 600 thousand pieces, accounting for 90% domestic share in small size gas cylinder market. The recently set up new production line for 0.4L-80L emergency respirator, colliery escape capsule and refuge chamber has the annual production of 700 thousand pieces of cylinders. By the year 2013, the total specifications we do ascent to 109 types to meet different customers’ requirement.

Our major products are oxygen cylinder, yongan gas cylinder, YA oxygen gas cylinder, argon gas cylinder, other industrial gas cylinder, medical oxygen gas cylindersupply unit, etc., with wide application for fields of medical apparatus and instruments, engineering machinery, colliery rescue, gas industry, welding-cutting machinery, and chemical industry. Our cryogenic vessels production line mainly produce cryogenic liquid storage tanks, welding insulation cylinders, cryogenic reaction device, cryogenic tanks, cryogenic ISO tank container and air temperature vaporizer.

40L, 47l and 50L medical oxygen cylinders  
Type   (mm)
Design Wall
ISO232-40-150 219 40 1167 43 200 5.2 37Mn
ISO232-47-150 47 1351 49
ISO232-50-150 50 1430 51.6
ISO232-40-200 232 40 1156 44.9 200 5.2 34CrMo4
ISO232-46.7-200 46.7 1333 51
ISO232-47-200 47 1341 51.3
ISO232-50-200 50 1420 54
EN232-40-210 232(TPED) 40 1156 44.9 230 5.8 34CrMo4
EN232-46.7-210 46.7 1333 51
EN232-47-210 47 1341 51.3
EN232-50-210 50 1420 54
EN232-40-230 40 1156 44.9 230 5.8 34CrMo4
EN232-46.7-230 46.7 1333 51
ISO232-47-230   47 1341 51.3
ISO232-50-230   50 1420 54
ISO267-40-150 267 40 922 43.3 150 5.8 37Mn
ISO267-50-150 50 1119 51.3


S.N Serial No. The weight without valve&cap(kg) Volumetric Capacity(L)  Total expansion(ml)  Permanent expansion(ml)  Percent of Permanent to totalexpanison(%) Test Pressure 250Bar  Lot and Batch No.
1 16Z380 001 56.4 47.3 149.0  2.3 1.5  250 16Z380
2 16Z380 002 56.7 47.2 155.1  2.7 1.7  250 16Z380
3 16Z380 003 57.3 47.2 156.1  2.4 1.5  250 16Z380
4 16Z380 004 56.8 47.4 148.9  2.8 1.9  250 16Z380
5 16Z380 005 57 47.4 149.9  2.5 1.7  250 16Z380
6 16Z380 006 56.8 47.4 149.9  2.3 1.5  250 16Z380
7 16Z380 007 56.9 47.3 153.0  2.6 1.7  250 16Z380
8 16Z380 008 57.3 47.2 155.1  2.3 1.5  250 16Z380
9 16Z380 009 56.7 47.5 146.8  2.1 1.4  250 16Z380
10 16Z380 571 56.2 47.6 147.6  2.3 1.6  250 16Z380
11 16Z380 011 56.3 47.2 151.2  2.2 1.5  250 16Z380
12 16Z380 012 56 47.4 151.8  2.1 1.4  250 16Z380
13 16Z380 013 56.4 47.3 150.0  2.1 1.4  250 16Z380
14 16Z380 014 56.2 47.7 145.5  2.4 1.6  250 16Z380
15 16Z380 015 57.1 47.5 153.7  2.5 1.6  250 16Z380
16 16Z380 016 57.2 47.4 152.8  2.6 1.7  250 16Z380
17 16Z380 017 55.9 47.4 151.8  3.1 2.0  250 16Z380
18 16Z380 018 57 47.3 154.0  2.8 1.8  250 16Z380
19 16Z380 019 56.4 47.5 150.7  2.5 1.7  250 16Z380
20 16Z380 571 57.1 47.1 156.2  2.9 1.9  250 16Z380
21 16Z380 571 56.9 47.2 154.1  2.8 1.8  250 16Z380
22 16Z380 571 56.5 47.3 154.0  2.5 1.6  250 16Z380
23 16Z380 571 57.3 47.2 155.1  2.9 1.9  250 16Z380
24 16Z380 571 57.3 47.2 154.1  2.6 1.7  250 16Z380
25 16Z380 571 57.2 47.2 154.1  2.8 1.8  250 16Z380
26 16Z380 026 57.3 47 153.4  2.3 1.5  250 16Z380
27 16Z380 571 55.8 47.4 152.8  2.6 1.7  250 16Z380
28 16Z380 571 55.6 47.4 151.8  2.8 1.8  250 16Z380
29 16Z380 571 56.2 47.3 150.0  2.4 1.6  250 16Z380
30 16Z380 030 55.8 47.3 148.0  2.1 1.4  250 16Z380
31 16Z380 031 55.7 47.3 148.0  2.1 1.4  250 16Z380
32 16Z380 032 57 47.2 149.2  2.3 1.5  250 16Z380
33 16Z380 033 57.4 47.3 149.0  2.3 1.5  250 16Z380
34 16Z380 034 56.2 47.4 151.8  2.6 1.7  250 16Z380
35 16Z380 035 56.7 47.3 151.0  2.7 1.8  250 16Z380
36 16Z380 036 56.4 47.1 155.3  2.3 1.5  250 16Z380
37 16Z380 037 56.8 47.2 155.1  2.9 1.9  250 16Z380
38 16Z380 038 56.6 47.1 151.3  2.3 1.5  250 16Z380
39 16Z380 039 55.8 47.3 154.0  2.8 1.8  250 16Z380
40 16Z380 040 56.9 47.3 151.0  2.9 1.9  250 16Z380
41 16Z380 041 56.1 47.4 149.9  2.3 1.5  250 16Z380
42 16Z380 042 56.5 47.1 152.3  2.3 1.5  250 16Z380
43 16Z380 043 56.6 47.2 148.2  2.2 1.5  250 16Z380
44 16Z380 044 55.9 47.3 148.0  2.3 1.6  250 16Z380
45 16Z380 045 56.2 47.4 151.8  2.9 1.9  250 16Z380
46 16Z380 046 57.1 47.1 152.3  2.8 1.8  250 16Z380
47 16Z380 047 57.1 47.2 150.2  2.4 1.6  250 16Z380
48 16Z380 048 56.2 47.4 152.8  2.9 1.9  250 16Z380
49 16Z380 049 57 47.3 150.0  3 2.0  250 16Z380
50 16Z380 050 56.2 47.2 152.1  2.7 1.8  250 16Z380

What Capacity?
Q:What is the capacity of the oxygen cylinder you can provide?
A: 40L oxygen cylinder is the best seller, we can offer 2L- 80L cylinders as your required.

Delivery Time?
Q: What is the delivery time of the gas cylinders ?
A: 30Days once deposit received and specifications confirmed about the cylinder.

Q:What certificates do you provide for gas cylinders? 
A:We are authorised by ISO/GB/TPED standards.

Q: Can you detail about the gas cylinders, packing and shipping?
A:  470 PCS   cylinders  could be load  in 1 20ft container.

What we can promise for you:
1. High quality and security gas cylinders
2. Best price in the market
3. Fast delivery (3~4 weeks)
4.OEM is accepted in our company, no matter COLOR, VALVE, CAP/HANDLE, and marks. All these could be fully filled. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Material: Steel
Usage: Print
Structure: General Cylinder
Power: Hydraulic
Standard: Standard
Pressure Direction: Single-acting Cylinder


hydraulic cylinder

How do hydraulic cylinders ensure smooth and consistent movement in heavy machinery?

Hydraulic cylinders play a vital role in ensuring smooth and consistent movement in heavy machinery. Their design and operation allow for precise control over the motion of heavy loads, resulting in efficient and reliable performance. Here’s a detailed explanation of how hydraulic cylinders contribute to smooth and consistent movement in heavy machinery:

1. Hydraulic Fluid and Pressure:

– Hydraulic cylinders operate by utilizing hydraulic fluid, typically oil, to transmit force and motion. The fluid is pressurized by a hydraulic pump, creating a force that acts on the piston inside the cylinder. The pressure of the hydraulic fluid can be precisely controlled, allowing for smooth and gradual movement of heavy machinery. The fluid’s incompressibility ensures that the force is evenly distributed, resulting in consistent and predictable motion.

2. Piston and Cylinder Design:

– Hydraulic cylinders are designed with precision to ensure smooth movement. The piston and cylinder bore are machined to tight tolerances, reducing friction and minimizing internal leakage. This precise fit between the piston and cylinder walls helps maintain consistent motion without jerks or sudden changes in speed. Additionally, the use of high-quality seals and lubrication further enhances the smooth operation of the cylinder.

3. Control Valves and Flow Control:

– Hydraulic systems incorporate control valves that regulate the flow of hydraulic fluid into and out of the cylinder. These valves allow for precise control over the speed and direction of the cylinder’s movement. By adjusting the flow rate, operators can achieve smooth and controlled motion of heavy machinery, avoiding sudden starts or stops. Flow control valves also enable speed adjustment, ensuring consistent movement even under varying loads or operating conditions.

4. Cushioning and Damping:

– Hydraulic cylinders can be equipped with cushioning mechanisms to absorb shock and minimize impacts during the movement of heavy machinery. Cushioning is achieved by incorporating specialized valves or adjustable orifices in the cylinder, which restrict the flow of hydraulic fluid near the end of the stroke. This gradual deceleration helps prevent sudden jolts or vibrations, maintaining smooth and consistent movement while reducing stress on the machinery and its components.

5. Load Balancing:

– Hydraulic cylinders can be designed and arranged in a system to balance the load and distribute forces evenly. By utilizing multiple cylinders in parallel or series configurations, heavy machinery can achieve balanced movement, preventing uneven stress and ensuring smooth operation. Load balancing also helps minimize the risk of component failure and enhances the overall stability and longevity of the machinery.

6. Feedback and Control Systems:

– Advanced hydraulic systems incorporate feedback sensors and control systems to monitor and adjust the movement of heavy machinery. These sensors provide real-time information about the position, speed, and force exerted by the hydraulic cylinders. The control system processes this data and adjusts the flow of hydraulic fluid accordingly to maintain smooth and consistent movement. By continuously monitoring and regulating the cylinder’s operation, feedback and control systems contribute to precise and reliable motion control.

7. Maintenance and Servicing:

– Regular maintenance and servicing of hydraulic cylinders are essential to ensure their smooth and consistent movement in heavy machinery. Proper lubrication, inspection of seals, and replacement of worn-out components help maintain optimal performance. Preventive maintenance practices, such as filter replacements and fluid analysis, also contribute to the longevity and reliability of hydraulic systems, ensuring consistent movement over time.

In summary, hydraulic cylinders ensure smooth and consistent movement in heavy machinery through the use of hydraulic fluid and pressure, precise piston and cylinder design, control valves and flow control, cushioning and damping mechanisms, load balancing, feedback and control systems, and regular maintenance and servicing. By leveraging these features, hydraulic cylinders provide the necessary force and control to handle heavy loads while maintaining precise and reliable motion, enhancing the overall performance and productivity of heavy machinery in various industrial applications.

hydraulic cylinder

Ensuring Stable Performance of Hydraulic Cylinders Under Fluctuating Loads

Hydraulic cylinders are designed to provide stable performance even under fluctuating loads. They achieve this through various mechanisms and features that allow for efficient load control and compensation. Let’s explore how hydraulic cylinders ensure stable performance under fluctuating loads:

  1. Piston Design: The piston inside the hydraulic cylinder plays a crucial role in load control. It is typically equipped with seals and rings that prevent leakage of hydraulic fluid and ensure effective transfer of force. The piston design may incorporate features such as stepped or tandem pistons, which provide enhanced load-bearing capabilities and improved stability by distributing the load across multiple surfaces.
  2. Cylinder Cushioning: Hydraulic cylinders often incorporate cushioning mechanisms to minimize the impact and shock caused by fluctuating loads. Cushioning can be achieved through various methods, such as adjustable cushion screws, hydraulic cushioning valves, or elastomeric cushioning rings. These mechanisms slow down the piston’s movement near the end of the stroke, reducing the impact and preventing sudden stops that could lead to instability.
  3. Pressure Compensation: Fluctuating loads can result in pressure variations within the hydraulic system. To ensure stable performance, hydraulic cylinders are equipped with pressure compensation mechanisms. These mechanisms maintain a consistent pressure level in the system, regardless of load changes. Pressure compensation can be achieved through the use of pressure relief valves, compensating pistons, or pressure-compensated flow control valves.
  4. Flow Control: Hydraulic cylinders often incorporate flow control valves to regulate the speed of the cylinder’s movement. By controlling the flow rate of hydraulic fluid, the cylinder’s motion can be adjusted to match the changing load conditions. Flow control valves allow for smooth and controlled movement, preventing abrupt changes that could lead to instability.
  5. Feedback Systems: To ensure stable performance under fluctuating loads, hydraulic cylinders can be integrated with feedback systems. These systems provide real-time information on the cylinder’s position, velocity, and force. By continuously monitoring these parameters, the hydraulic system can make immediate adjustments to maintain stability and compensate for load fluctuations. Feedback systems can include position sensors, pressure sensors, or load sensors, depending on the specific application.
  6. Proper Sizing and Selection: Ensuring stable performance under fluctuating loads starts with proper sizing and selection of hydraulic cylinders. It is crucial to choose cylinders with appropriate bore size, rod diameter, and stroke length to match the anticipated load conditions. Oversized or undersized cylinders can lead to instability and reduced performance. Proper sizing also involves considering factors such as the required force, speed, and duty cycle of the application.

In summary, hydraulic cylinders ensure stable performance under fluctuating loads through features such as piston design, cushioning mechanisms, pressure compensation, flow control, feedback systems, and proper sizing and selection. These mechanisms and considerations allow hydraulic cylinders to provide consistent and controlled movement, even in dynamic load conditions, resulting in reliable and stable performance.

hydraulic cylinder

What benefits do hydraulic cylinders offer for tasks requiring heavy lifting or movement?

Hydraulic cylinders offer numerous benefits for tasks that involve heavy lifting or movement. Their unique design and characteristics make them well-suited for applications that require substantial force, precise control, and reliable operation. Here are the detailed benefits that hydraulic cylinders provide for such tasks:

1. High Force Generation:

– Hydraulic cylinders are capable of generating significant amounts of force. By utilizing hydraulic pressure, which can be easily amplified, hydraulic cylinders can exert substantial force to lift and move heavy loads. The force output of a hydraulic cylinder is directly proportional to the hydraulic pressure and the surface area of the piston. This high force capability makes hydraulic cylinders ideal for tasks that involve heavy lifting, pushing, or pulling.

2. Precise Control:

– Hydraulic cylinders offer precise control over the force and motion they generate. By regulating the flow of hydraulic fluid into the cylinder, the speed, direction, and position of the cylinder’s movement can be accurately controlled. This level of control is crucial for tasks that require precise positioning, delicate movements, or synchronization of multiple cylinders. It enables operators to perform operations with accuracy and minimize the risk of damage or accidents.

3. Safety:

– Hydraulic cylinders are designed with safety features to ensure the protection of both personnel and equipment. They incorporate overload protection mechanisms, such as relief valves, that prevent excessive force or pressure from damaging the system. Additionally, hydraulic cylinders allow for controlled and gradual movements, reducing the risk of sudden and uncontrolled motions that could pose safety hazards during heavy lifting or movement tasks.

4. Versatility and Adaptability:

– Hydraulic cylinders are versatile components that can be adapted to meet specific requirements. They can be customized based on factors such as force capacity, stroke length, speed, and mounting options, allowing them to be integrated into various types of machinery. This versatility makes hydraulic cylinders suitable for a wide range of applications, including construction, material handling, mining, agriculture, and more.

5. Smooth and Controlled Operation:

– Hydraulic cylinders provide smooth and controlled operation, ensuring efficient and reliable performance during heavy lifting or movement tasks. The hydraulic fluid acts as a cushioning medium, which helps dampen shocks and vibrations, resulting in smoother and quieter operation. This controlled operation also reduces the risk of damage to the load being lifted or the surrounding equipment.

6. Compact Design:

– Hydraulic cylinders offer a high power-to-size ratio, allowing for compact machinery design. Their relatively small size, compared to the forces they can generate, makes them suitable for applications where space is limited or weight restrictions apply. This compact design enables the integration of hydraulic cylinders into different types of equipment without compromising performance or efficiency.

7. Durability and Reliability:

– Hydraulic cylinders are built to withstand rigorous operating conditions and provide long-term reliability. They are constructed with robust materials, precise machining, and effective sealing systems to ensure durability and prevent fluid leakage. Hydraulic cylinders can withstand high pressures, heavy loads, and continuous use, making them suitable for demanding tasks involving heavy lifting or movement.

8. Energy Efficiency:

– Hydraulic cylinders contribute to energy efficiency in tasks requiring heavy lifting or movement. Hydraulic systems allow for the transfer of power over long distances without significant power losses. Additionally, hydraulic cylinders can incorporate energy-saving features such as load-sensing technology and regenerative circuits, which reduce energy consumption by optimizing the use of hydraulic fluid.

In summary, hydraulic cylinders offer several benefits for tasks that involve heavy lifting or movement. They provide high force generation, precise control, safety features, versatility, smooth operation, compact design, durability, and energy efficiency. These advantages make hydraulic cylinders indispensable components in various industries where heavy loads need to be lifted, pushed, or moved with accuracy and reliability.

China Best Sales China Hot Sell 40L Oxygen Medical Gas Cylinder in Stock   with Best Sales China Best Sales China Hot Sell 40L Oxygen Medical Gas Cylinder in Stock   with Best Sales
editor by CX 2023-12-17

China factory Mk5 Hydraulic Actuator Cylinder for Medical Solution Bed and Stretcher vacuum pump booster

Product Description

meidcal solution MK5 hydraulic actuator cylinder for medical bed and stretcher


Product Description


Tsingshi hydraulic power-packer type self-contained hydraulic actuator Cylinders are used for Beauty bed, examination bed, first aid bed, operation bed, medical bed, etc


The tsingshi hydraulic MK5 is a reliable self-contained hydraulic actuator, of which more than a million have already been built. The pump, cylinder, valves and reservoir are combined into one, compact, maintenance-free unit.
Every MK5 comes with a pressure relief valve and a flow control valve to ensure smooth descent. The MK5 is easy to install and is built for long life.

* Stroke lengths: multiple possibilities between 80 and 400 mm
* Maximum dynamic push force: 10 kN at 270 bar
* Descent control: flow control valve
* Pressure relief valve: installed
* Single acting cylinder
* Optional: holes on the pedal shaft, mounting brackets, suction tube, different actuator colors, CE certified

* Reduced total cost of ownership
* Proven high quality, product built for long life
* Compact self contained design
* Quiet and smooth operation
* Maintenance-free
* Ease of installation
* Manual override, hand release option
* “Autoclave” proof
* Operating comfort
* The MK5 is a reliable self-contained hydraulic actuator, of which more than a million have already been built. The pump,
cylinder, valves and reservoir are combined into one, compact, maintenance-free unit.
* Every MK5 comes with a pressure relief valve and a flow control valve to ensure smooth descent. The MK5 is easy to install and is built for long life.

1.MK5 hydraulic actuator Rod electroplate hard chrome;
2.lighter and easier to maintenance MK5 hydraulic actuator;
3.High quality alloy seamless steel pipe have better mechanical properties;
4.The world famous brands of seals, such as HALLITE, PARKER,etc;
5.World-class processing technology ensures stable and reliable quality.


NO ITEM  DATA of MK5 hydraulic actuator
1 Material Carbon Steel, Alloy Steel, 27SiMn,45#,20#,etc
2 Honed tube 25mm, Heat treatment, honing, rolling
3 Piston Rod 22mm, plated nickel or hard Chrome or ceramic
4 Seal kit Parker, Merkel, Hallite, Kaden, etc
5 Coating Sandblasting, primer paint, middle paint, finish paint,
Color can paint according to customer demands.
6 Technology double acting hydraulic cylinder
7 Mounting type trunnion mount
8 Working medium Hydraulic Oil
9 Working pressure 16-30Mpa MK5 hydraulic actuator
10 Temperature range -50°C to +100°C

Detailed Photos


Company Profile

Tsingshi hydraulic is a hydraulic telescopic cylinder for dump tipper truck company which takes up with hydraulic design, R&D, manufacturer, sell and service hydraulic products- MK5 hydraulic actuator.

-hydraulic actuator Certification ISO9001 TS16949, etc;
-medical actuator Export to North America, South America, Australia, South Korea, Southeast Asia, South Africa, Europe, Middle East, etc;
-ODM&OEM meidcal hydraulic cylinder according to client’s requirements;
-Professional manufacturer& supplier of Hydraulic Cylinders over 30 years;
-The MK5 hydraulic cylinder actuator can be used for Beauty bed, examination bed, first aid bed, operation bed, medical bed.






HIGH QUALITITY GUARANTEE- MK5 hydraulic actuator
-7*24 service.
-Competitive price.
-Professional technical team.
-Perfect after-sales service system.
-ODM&OEM Hydraulic Cylinder according to customer needs.
-Strong Hydraulic Cylinder production capacity to ensure fast delivery.
-Guarantee Quality. Every process must be inspected, all products need be tested before leaving the factory.

<hydraulic actuator Leak Test

<medical actuator Buffer Test

<hydraulic cylinder  stretcher Reliability Test

<MK5 hydraulic actuator Full Stroke Test

<MK5 medical actuator Operation Test

<hydraulic cylinder for bed Pressure Tight Test

<dump bed hydraulic cylinder Load Efficiency Test
<power packer MK5 Start-up Pressure Test
<MK5 hydraulic actuator Testing the Effect of Limit










Certification: CE, ISO/Ts16949
Pressure: Medium Pressure
Work Temperature: Normal Temperature
Acting Way: Double Acting
Working Method: Straight Trip
Adjusted Form: Regulated Type
US$ 100/Piece
1 Piece(Min.Order)




hydraulic cylinder

What advancements in hydraulic cylinder technology have improved sealing and reliability?

Advancements in hydraulic cylinder technology have continuously contributed to improving sealing and reliability in hydraulic systems. These advancements aim to address common challenges such as leakage, wear, and failure of seals, ensuring optimal performance and longevity. Here are several key advancements that have significantly improved sealing and reliability in hydraulic cylinders:

1. High-Performance Sealing Materials:

– The development of advanced sealing materials has greatly improved the sealing capabilities of hydraulic cylinders. Traditional sealing materials like rubber have been replaced or enhanced with high-performance materials such as polyurethane, PTFE (polytetrafluoroethylene), and various composite materials. These materials offer superior resistance to wear, temperature, and chemical degradation, resulting in improved sealing performance and extended seal life.

2. Enhanced Seal Designs:

– Advancements in seal designs have focused on improving sealing efficiency and reliability. Innovative seal profiles, such as lip seals, wipers, and scrapers, have been developed to optimize fluid retention and prevent contamination. These designs provide better sealing performance, minimizing the risk of fluid leakage and maintaining system integrity. Additionally, improved seal geometries and manufacturing techniques ensure tighter tolerances, reducing the potential for seal failure due to misalignment or extrusion.

3. Integrated Seal and Bearing Systems:

– Hydraulic cylinders now incorporate integrated seal and bearing systems, where the sealing elements also serve as bearing surfaces. This design approach reduces the number of components and potential failure points, improving overall reliability. By integrating seals and bearings, the risk of seal damage or displacement due to excessive loads or misalignment is minimized, resulting in enhanced sealing performance and increased reliability.

4. Advanced Coatings and Surface Treatments:

– The application of advanced coatings and surface treatments to hydraulic cylinder components has significantly improved sealing and reliability. Coatings such as chrome plating or ceramic coatings enhance surface hardness, wear resistance, and corrosion resistance. These surface treatments provide a smoother and more durable surface for seals to operate against, reducing friction and improving sealing performance. Moreover, specialized coatings can also provide self-lubricating properties, reducing the need for additional lubrication and enhancing reliability.

5. Sealing System Monitoring and Diagnostic Technologies:

– The integration of monitoring and diagnostic technologies in hydraulic systems has revolutionized seal performance and reliability. Sensors and monitoring systems can detect and alert operators to potential seal failures or leaks before they escalate. Real-time monitoring of pressure, temperature, and seal performance parameters allows for proactive maintenance and early intervention, preventing costly downtime and ensuring optimal sealing and reliability.

6. Computational Modeling and Simulation:

– Computational modeling and simulation techniques have played a significant role in advancing hydraulic cylinder sealing and reliability. These tools enable engineers to analyze and optimize seal designs, fluid flow dynamics, and contact stresses. By simulating various operating conditions, potential issues such as seal extrusion, wear, or leakage can be identified and mitigated early in the design phase, resulting in improved sealing performance and enhanced reliability.

7. Systematic Maintenance Practices:

– Advances in hydraulic cylinder technology have also emphasized the importance of systematic maintenance practices to ensure sealing and overall system reliability. Regular inspection, lubrication, and replacement of seals, as well as routine system flushing and filtration, help prevent premature seal failure and optimize sealing performance. Implementing preventive maintenance schedules and adhering to recommended service intervals contribute to extended seal life and enhanced reliability.

In summary, advancements in hydraulic cylinder technology have led to significant improvements in sealing and reliability. High-performance sealing materials, enhanced seal designs, integrated seal and bearing systems, advanced coatings and surface treatments, sealing system monitoring and diagnostics, computational modeling and simulation, and systematic maintenance practices have all played key roles in achieving optimal sealing performance and increased reliability. These advancements have resulted in more efficient and dependable hydraulic systems, minimizing leakage, wear, and failure of seals, and ultimately improving the overall performance and longevity of hydraulic cylinders in diverse applications.

hydraulic cylinder

Ensuring Controlled and Safe Force Application in Heavy Machinery with Hydraulic Cylinders

Hydraulic cylinders play a critical role in heavy machinery by ensuring controlled and safe force application. The ability to exert and control high forces is essential for heavy machinery operations, such as lifting, pressing, pushing, or pulling heavy loads. Let’s explore how hydraulic cylinders ensure controlled and safe force application in heavy machinery:

  1. Force Control: Hydraulic cylinders provide precise force control capabilities. The hydraulic system’s pressure can be adjusted to regulate the force exerted by the cylinder. This control allows operators to apply the necessary force for a specific task while ensuring it remains within safe limits. By accurately controlling the force, hydraulic cylinders help prevent excessive force that could damage the machinery or compromise the safety of the operation.
  2. Load Balancing: In heavy machinery, multiple hydraulic cylinders are often used in conjunction to distribute and balance the applied force. By using multiple cylinders, the load can be evenly distributed across the machinery, minimizing stress concentrations and ensuring controlled force application. This load balancing approach enhances the stability and safety of the machinery, preventing uneven loading that could lead to structural issues or instability.
  3. Safety Valves: Hydraulic systems in heavy machinery are equipped with safety valves to protect against excessive force or overloading. Safety valves are designed to release hydraulic fluid from the cylinder when the force exceeds a predetermined threshold. This prevents the force from reaching dangerous levels, safeguarding the machinery and preventing potential accidents or damage. Safety valves provide an additional layer of safety and ensure controlled force application even in unexpected circumstances.
  4. Pressure Relief Systems: Hydraulic cylinders incorporate pressure relief systems to further enhance safety. These systems are designed to relieve excess pressure in the hydraulic system, which could occur due to factors such as thermal expansion or system malfunctions. By relieving excess pressure, the pressure relief systems prevent sudden and uncontrolled force surges, maintaining safe and controlled force application in heavy machinery.
  5. Structural Integrity: Hydraulic cylinders are designed to withstand the high forces and loads associated with heavy machinery applications. The cylinders are constructed using robust materials, such as high-strength steel, and undergo rigorous testing to ensure their structural integrity. This ensures that the cylinders can safely handle the forces applied during heavy machinery operations without experiencing failures or deformations that could compromise the safety and controlled force application.

In summary, hydraulic cylinders ensure controlled and safe force application in heavy machinery through force control, load balancing, safety valves, pressure relief systems, and robust structural design. These features and design considerations enable operators to exert the necessary force while maintaining safety and preventing excessive loads or force surges. By incorporating hydraulic cylinders into heavy machinery, manufacturers can achieve controlled force application, enhance operational safety, and protect the machinery from damage or failure.

hydraulic cylinder

How do hydraulic cylinders accommodate variations in stroke length and force requirements?

Hydraulic cylinders are designed to accommodate variations in stroke length and force requirements, providing flexibility and adaptability for different applications. They can be tailored to meet specific needs by considering factors such as piston diameter, rod diameter, hydraulic pressure, and cylinder design. Here’s a detailed explanation of how hydraulic cylinders accommodate variations in stroke length and force requirements:

1. Cylinder Size and Design:

– Hydraulic cylinders come in various sizes and designs to accommodate different stroke lengths and force requirements. The cylinder’s diameter, piston area, and rod diameter are key factors that determine the force output. Larger cylinder diameters and piston areas can generate greater force, while smaller diameters are suitable for applications requiring lower force. By selecting the appropriate cylinder size and design, stroke lengths and force requirements can be effectively accommodated.

2. Piston and Rod Configurations:

– Hydraulic cylinders can be designed with different piston and rod configurations to accommodate variations in stroke length. Single-acting cylinders have a single piston and can provide a stroke in one direction. Double-acting cylinders have a piston on both sides, allowing for strokes in both directions. Telescopic cylinders consist of multiple stages that can extend and retract, providing a longer stroke length compared to standard cylinders. By selecting the appropriate piston and rod configuration, the desired stroke length can be achieved.

3. Hydraulic Pressure and Flow:

– The hydraulic pressure and flow rate supplied to the cylinder play a crucial role in accommodating variations in force requirements. Increasing the hydraulic pressure increases the force output of the cylinder, enabling it to handle higher force requirements. By adjusting the pressure and flow rate through hydraulic valves and pumps, the force output can be controlled and matched to the specific requirements of the application.

4. Customization and Tailoring:

– Hydraulic cylinders can be customized and tailored to meet specific stroke length and force requirements. Manufacturers offer a wide range of cylinder sizes, stroke lengths, and force capacities to choose from. Additionally, custom-designed cylinders can be manufactured to suit unique applications with specific stroke length and force demands. By working closely with hydraulic cylinder manufacturers, it is possible to obtain cylinders that precisely match the required stroke length and force requirements.

5. Multiple Cylinders and Synchronization:

– In applications that require high force or longer stroke lengths, multiple hydraulic cylinders can be used in combination. By synchronizing the movement of multiple cylinders through the hydraulic system, the stroke length and force output can be effectively increased. Synchronization can be achieved using mechanical linkages, electronic controls, or hydraulic circuitry, ensuring coordinated movement and force distribution across the cylinders.

6. Load-Sensing and Pressure Control:

– Hydraulic systems can incorporate load-sensing and pressure control mechanisms to accommodate variations in force requirements. Load-sensing systems monitor the load demand and adjust the hydraulic pressure accordingly, ensuring that the cylinder delivers the required force without exerting excessive force. Pressure control valves regulate the pressure within the hydraulic system, allowing for precise control and adjustment of the force output based on the application’s needs.

7. Safety Considerations:

– When accommodating variations in stroke length and force requirements, it is essential to consider safety factors. Hydraulic cylinders should be selected and designed with an appropriate safety margin to handle unexpected loads or variations in operating conditions. Safety mechanisms such as overload protection valves and pressure relief valves can be incorporated to prevent damage or failure in situations where the force limits are exceeded.

By considering factors such as cylinder size and design, piston and rod configurations, hydraulic pressure and flow, customization options, synchronization, load-sensing, pressure control, and safety considerations, hydraulic cylinders can effectively accommodate variations in stroke length and force requirements. This flexibility allows hydraulic cylinders to be tailored to meet the specific demands of a wide range of applications, ensuring optimal performance and efficiency.

China factory Mk5 Hydraulic Actuator Cylinder for Medical Solution Bed and Stretcher   vacuum pump booster	China factory Mk5 Hydraulic Actuator Cylinder for Medical Solution Bed and Stretcher   vacuum pump booster
editor by CX 2023-11-09

China China Hydraulic Cylinder Hydraulic Actuator Hydraulic Pump for Hospital Bed Beauty Bed Medical Bed 10KN load supplier

Warranty: 1 12 months
Showroom Place: India, Brazil
Bodyweight: 3, 3kg
Dimension(L*W*H): 350X25X25
Rod Diameter: 6
Optimum Stroke: 400mm
Outer Tube Diameter: 22mm
Internal Tube Diameter: 16mm
Product: HP250
closed lenght: 350 mm
Load: 10000N
stroke: 80mm-400mm
Sounds: Minimal Voice
Duty Cycle: 100% Minutes Continuous Max
IP Grade: common
velocity: Max 8mm/s
Selection: Hall/potentiometers
Packaging Information: Wooden packing or rack packing for hydraulic cylinder
Port: ZheJiang HangZhou

Product Overview HP250The sensible, intuitive design and style of the HP250 brings together a pump, cylinder, valves and reservoir into 1 compact, servicing-totally free device,supplying you several years of trouble-cost-free procedure and trusted overall performance. Each HP250 hydraulic actuator characteristics an installed force relief and movement management valve to make sure sleek descent independent of patient weight.Stroke duration (mm): a hundred, one hundred twenty, a hundred thirty, a hundred thirty five, a hundred and forty, a hundred and fifty, Pillow Block Bearing uc ucp ucp204-12 Ucfc208 ucf 205 ucp204-twelve Ucpa210 f207 ucp208-24 ucf208-24 ucp205-sixteen ucp 212 25mm China 200, 250, 305, 400Lifting pressure(kN): 3, 6, 8, 10Highest static load (kN): 5, 8, 10, 12.5Number of strokes: 10-35Lowering velocity: fastened throttle or throttle tube / automatic throttle valve.Pump piston diameter (mm): 14, 16Main piston diameter (mm): eighteen, 22Extended length (mm): major duration – 137 + stroke + sought after end of piston rodMounting bolts diameter 38 (mm): 60/ninety – eighty five/110 distanceLifting degree: 35 degreesSafety valve: optional Pedalshaft: proper / remaining optional with descentWater resistance on washing strains: StandardColour: silver grey / buyer requestFeeding / stroke (mm2): 2.3 – 3.0Main piston conclude: transverse opening – Change IGUS Flanged Plastic Linear Bearing For 3D Printer LM10UU optional external / internal thread / piston rod mount Pedalmovement: standard or reverse Functions AT A Glance Item Technical specs

2Stroke length (mm)100, a hundred and twenty, one hundred thirty, 135, 140, 150, 200, 250, 305, 400
3Place of OriginChina ZheJiang
4colorsilver gray / client request
5Speedfixed throttle or throttle tube / automated throttle valve.
6Highest static load (kN)3, 6, 8, ten
7Safety valveoptional Pedal
8Lifting amount35 levels

What Are Hydraulic Cylinders?

Basically, a hydraulic cylinder is a mechanical actuator which is used to provide unidirectional force. This type of cylinder is found in many different applications, such as in elevators, construction machinery, and civil engineering.

Piston rod

Among all the components that make up a hydraulic cylinder, the piston rod is one of the most important. This part is a round chrome-plated steel bar that moves in a reciprocating motion.
In order to make this part perform properly, the manufacturer has to take care of several factors. This includes a proper analysis of the rod size. It is important to ensure that the diameter of the rod does not exceed the maximum bore size. This will avoid the situation where the rod will bend.
Another major hazard of the piston rod is buckling resistance. The amount of buckling resistance is influenced by the buckling load. The buckling load is generally calculated using Euler’s equation. The equation assumes that a compressive load is applied axially at the center of gravity. The load is also affected by the number of laminate layers.
A good way to measure the magnitude of the buckling load is to consider the number of laminate layers in the steel. The higher the number of laminate layers, the higher the buckling load.
There are many seal types available for the piston rod. A good seal will be able to work under intense pressure, but it must also be durable. The materials used to make the seals vary depending on the application.
A good seal will also prevent fluid from leaking into the cylinder. The seal must also be able to handle multiple rod movements.hydraulic cylinders

Piston seals

Using the right piston seals for hydraulic cylinders is important for ensuring that the cylinders maintain the proper pressure and performance. These seals are available in a variety of materials and designs. Choosing the right seal can boost performance and lower costs of ownership.
There are two main categories of piston seals. These include dynamic and static seals. The dynamic seals are used in applications that have motion, while the static seals are used in applications that have no relative movement. The lubrication properties of the seal can also affect its life.
The materials used to manufacture the seals depend on the application and cylinder’s specifications. These seals are made from a variety of different materials, including plastics. These materials can offer higher temperatures and chemical properties, while still meeting the mechanical property requirements.
These seals are available in a variety of different designs, including single-acting and symmetrical designs. They are usually manufactured in polytetrafluoroethylene (PTFE). The material offers exceptional resistance to wear and tear, as well as high temperature performance. The seal’s surface properties are also important.
The dynamic seal is subject to radial movement when pressurized. This motion can be rotary, oscillating, or translatory. These seals must maintain a balance between sealing force and friction to ensure optimum performance.
The piston seals for hydraulic cylinders also have a function of preventing fluid from bypassing the piston. These seals are positioned inside the cylinder head, and are used to keep the sealing contact between the piston and cylinder bore.


Whether it is to pull merchandise off a conveyor belt, lift something off a dredging vessel or control the boom of a TLB, double-acting hydraulic cylinders are used to move objects. They provide stronger, more versatile and more precise control than single acting cylinders. They also offer more design options.
Double-acting cylinders are available in a wide range of sizes, shapes, and materials. There are also a variety of designs that include hollow plunger and high tonnage models. Each model offers a unique set of benefits for different applications.
Double-acting hydraulic cylinders are built with highly-precision dual ports to extend the lifetime of the product. They can also be equipped with position sensors to improve stroke control. These systems can also provide feedback to the controller to adjust piston movements.
The most important characteristic of a hydraulic cylinder is its ability to provide force in both directions. To do this, the cylinder alternates cycles of pressurized fluid between the pistons. The two ends of the pistons are connected with a piston rod, which extends or retracts when the desired pressure is achieved.
The cylinder also has a clamping structure. This prevents particles from entering the interior of the cylinder. Depending on the application, the clamping application can pull the workpiece into place or push it into a conveyor belt.
The best application for a double-acting hydraulic cylinder is to control the movement of a machinery. This is especially important for applications that require a large amount of power.hydraulic cylinders

Foot mounting

Choosing the right type of foot mounting for hydraulic cylinders can make all the difference in the performance of your machinery. Using the wrong type can cause cylinders to bind, or even buckle, which can lead to early equipment failure. Choosing the right type of mount can also save you money in the long run.
The best way to choose a foot mount for hydraulic cylinders is to consider your application and operating environment. For example, a fixed mount may not be the best choice if you have a tight space. A pivot mount on the other hand, may not be the best option if your application requires a constant change in alignment. However, a pivot mount may be a great choice if you are actuating loads that are able to move through an arc.
A single lug mount can provide the best performance for the money. Using a single lug mount is a good idea if you are working in a tight space and have a tight budget. It is also a good idea to opt for a flange mount if your application requires a heavy column load for long strokes.
The most important thing to remember about the right type of foot mounting for hydraulic systmes is that it’s a cinch to remove it once the application is complete. There are several different types of foot mounts on the market, ranging from a simple threaded stud mount to a threaded bolt mount.


Basically, hydraulic cylinders convert incompressible hydraulic fluid energy into work. They are used in various applications like forestry, manufacturing, construction and mining. Hydraulic cylinders are available in different types. The most common type is the single-acting cylinder.
Single-acting cylinders are divided into spring-extend and spring-return cylinders. The former is generally used in manufacturing plants. The latter is mainly used in automation plants. The most common type of single acting cylinder is the spring-return cylinder.
The most important factor in choosing a hydraulic cylinder is the frequency of use. A cylinder with a larger bore and a longer piston rod has the potential to provide greater force transfer. It also has the capability to produce accurate changes in pressures.
When a cylinder is used in mobile equipment, it is very important that the extension and retraction speeds are consistent. This ensures that the working cycle is not compromised. It is also important to understand that a single-acting cylinder produces more force in the retraction motion than the extension motion.
An additional factor to consider is the amount of piston rod extension. A cylinder with a longer piston rod will allow for precise changes in pressures and balances. In addition, it will also make the cylinder more stable.
The cylinder also uses an internal spring to control the fluid. A steel ring and seal also provide stability. The cylinder’s piston rod can also be extended or retracted, depending on the application.hydraulic cylinders


Various techniques have been developed to cushion cylinders. Cushioning reduces impact loading, which can cause distortion in the piston. It also reduces the shock wave in the hydraulic circuit, resulting in a quieter working environment. In addition, it minimizes vibrations and oscillations, which increases productivity.
The hydraulic cylinder assembly is comprised of a piston and a rod assembly. The piston rod enters the piston space through a groove on the inner or outer side of the cylinder. The piston rod then abuts against a cup, which is filled with a seal. The cup acts as a cushion, which restricts the flow of the hydraulic fluid. The pressure drop of the exiting fluid causes the cast iron ring to move to one side of the groove. The fluid then flows under the cast iron ring.
In addition to controlling the pressure in the hydraulic medium, cushioning means can reduce the rod velocity relative to the cylinder. However, cushioning means can also restrict the flow of fluid, which can limit the performance of the cylinder. Therefore, it is important to use cushioning means correctly.
The cushioning means should be designed at the design stage. This is important because improperly designed cylinders can cause distortion and failure. It is important to use a cushioning device that will not affect performance until the end of the stroke. In addition, it is important to perform regular preventive maintenance on the cushioning means.
China China Hydraulic Cylinder Hydraulic Actuator Hydraulic Pump for Hospital Bed Beauty Bed Medical Bed 10KN load     supplier China China Hydraulic Cylinder Hydraulic Actuator Hydraulic Pump for Hospital Bed Beauty Bed Medical Bed 10KN load     supplier
editor by czh 2023-03-21