Product Description

DSW brand medical oxygen cylinder

Model Number: ISO229-50-200

Material: Steel  34Crmo4

new seamless steel gas cylinder for N2,O2 

Industrial nitrogen Gas

Pressure: High

Place of Origin: China (Mainland)

Brand Name: CHINAMFG seamless steel cylinder

Thickness of seamless:4.3mm

weight of seamless: 50kg



40L 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

50L (10M3) Oxygen cylinder record of hydrostatic test                 pressure time ≥ 60S
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.
351 18Y571 001 56.4 50.2  215.1  3.1  1.4  300 18Y571
352 18Y571 002 56.5 50.4  208.5  3.0  1.4  300 18Y571
353 18Y571 003 56.4 50.2  212.2  2.8  1.3  300 18Y571
354 18Y571 004 56.2 50.0  214.9  3.0  1.4  300 18Y571
355 18Y571 005 56.3 50.2  212.2  2.8  1.3  300 18Y571
356 18Y571 006 56 50.0  219.8  2.9  1.3  300 18Y571
357 18Y571 007 56.3 50.1  213.5  2.8  1.3  300 18Y571
358 18Y571 008 56.1 50.4  210.5  3.2  1.5  300 18Y571
359 18Y571 009 56.1 50.5  212.1  2.8  1.3  300 18Y571
360 18Y571 571 55.9 50.7  203.5  3.1  1.5  300 18Y571
361 18Y571 011 56.1 50.0  214.9  2.8  1.3  300 18Y571
362 18Y571 012 56.6 50.4  210.5  3.2  1.5  300 18Y571
363 18Y571 013 55.9 50.2  211.2  2.7  1.3  300 18Y571
364 18Y571 014 55.8 50.2  211.2  3.1  1.5  300 18Y571
365 18Y571 015 55.9 50.1  211.6  2.8  1.3  300 18Y571
366 18Y571 016 55.6 50.0  213.9  3.2  1.5  300 18Y571
367 18Y571 017 56.1 50.0  213.9  2.8  1.3  300 18Y571
368 18Y571 018 56.3 50.0  213.9  3.0  1.4  300 18Y571
369 18Y571 019 56.1 50.6  205.8  3.2  1.6  300 18Y571
370 18Y571 571 55.8 50.3  209.9  2.6  1.2  300 18Y571
371 18Y571 571 55.7 50.0  213.9  3.1  1.4  300 18Y571
372 18Y571 571 55.7 50.1  212.6  2.8  1.3  300 18Y571
373 18Y571 571 56 50.1  211.6  2.8  1.3  300 18Y571
374 18Y571 571 56.5 50.1  214.5  2.8  1.3  300 18Y571
375 18Y571 571 56.1 50.3  210.8  2.8  1.3  300 18Y571
376 18Y571 026 56.2 50.3  210.8  3.2  1.5  300 18Y571
377 18Y571 571 56.3 50.0  214.9  3.1  1.4  300 18Y571
378 18Y571 571 56 50.2  212.2  2.9  1.4  300 18Y571
379 18Y571 571 56.7 50.2  211.2  3.0  1.4  300 18Y571
380 18Y571 030 56.1 50.1  213.5  2.6  1.2  300 18Y571
381 18Y571 031 55.9 50.0  213.9  2.8  1.3  300 18Y571
382 18Y571 032 55.9 54.0  163.8  2.6  1.6  300 18Y571
383 18Y571 033 56.3 50.1  212.6  2.8  1.3  300 18Y571
384 18Y571 034 55.9 50.5  207.1  3.2  1.5  300 18Y571
385 18Y571 035 56.3 50.3  210.8  3.0  1.4  300 18Y571
386 18Y571 036 56.3 50.4  208.5  2.8  1.3  300 18Y571
387 18Y571 037 55.7 50.3  211.8  2.7  1.3  300 18Y571
388 18Y571 038 56 50.0  217.9  2.8  1.3  300 18Y571
389 18Y571 039 56.1 50.0  212.9  3.1  1.5  300 18Y571
390 18Y571 040 56.2 50.2  211.2  2.8  1.3  300 18Y571
391 18Y571 041 56.6 50.6  205.8  2.6  1.3  300 18Y571
392 18Y571 042 56.4 50.1  212.6  3.3  1.6  300 18Y571
393 18Y571 043 56.2 50.2  213.2  2.6  1.2  300 18Y571
394 18Y571 044 55.8 50.4  208.5  2.7  1.3  300 18Y571
395 18Y571 045 55.7 50.0  213.9  2.8  1.3  300 18Y571
396 18Y571 046 56.4 50.0  213.9  3.3  1.5  300 18Y571
397 18Y571 047 56.1 50.2  213.2  3.2  1.5  300 18Y571
398 18Y571 048 56.2 50.0  213.9  2.7  1.3  300 18Y571
399 18Y571 049 56.4 50.1  214.5  3.1  1.4  300 18Y571
400 18Y571 050 56 50.4  210.5  3.2  1.5  300 18Y571

100% new high quality seamless steel pipe from Bao Shan Iron co.,ltd (Baosteel).
Total 5 working line make 3000pcs per day for oxygen gas cylinder, argon gas cylinder, helium gas cylinder, Nitrogen gas cylinder , Co2 gas cylinder, N2O gas cylinder..etc

China top 1 advanced heat treatment machine. And China top 1 internal polishing machine to make high purity gas cylinder with 99.999% oxygen gas, helium gas, N2O gas and argon gas….

100% Hydrostatic prssure test and leakage test to keep the quality

Advanced automatic  spraying working line make the spraying at high top quality , no any bubble , without shrinkage and distoration .

Japan imported shoulder marking machine make it the most qualified ones  .
DSW seamless gas cylinder have nice appearance shoulders because we use shape-correction machine treatment make the cylinder shoulder most beautiful shape which other supplier can’t be compared.

Laboratory test standard  ISO9809-3 and ISO9809-1, DOT-3AA, EN1964,GB5099 ..etc
Place of Origin: China

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


hydraulic cylinder

Can hydraulic cylinders be integrated with advanced control systems and automation?

Yes, hydraulic cylinders can be integrated with advanced control systems and automation technologies to enhance their functionality, precision, and overall performance. The integration of hydraulic cylinders with advanced control systems allows for more sophisticated and precise control over their operation, enabling automation and intelligent control. Here’s a detailed explanation of how hydraulic cylinders can be integrated with advanced control systems and automation:

1. Electronic Control:

– Hydraulic cylinders can be equipped with electronic sensors and transducers to provide real-time feedback on their position, force, pressure, or velocity. These sensors can be integrated with advanced control systems, such as programmable logic controllers (PLCs) or distributed control systems (DCS), to monitor and control the operation of hydraulic cylinders. By integrating electronic control, the position, speed, and force of hydraulic cylinders can be precisely monitored and adjusted, allowing for more accurate and automated control.

2. Closed-Loop Control:

– Closed-loop control systems use feedback from sensors to continuously monitor and adjust the operation of hydraulic cylinders. By integrating hydraulic cylinders with closed-loop control systems, precise control over position, velocity, and force can be achieved. Closed-loop control enables the system to automatically compensate for variations, external disturbances, or changes in operating conditions, ensuring accurate and consistent performance. This integration is particularly beneficial in applications that require precise positioning, synchronization, or force control.

3. Proportional and Servo Control:

– Hydraulic cylinders can be integrated with proportional and servo control systems to achieve finer control over their operation. Proportional control systems use proportional valves to regulate the flow and pressure of hydraulic fluid, allowing for precise adjustment of cylinder speed and force. Servo control systems, on the other hand, combine feedback sensors, high-performance valves, and advanced control algorithms to achieve extremely precise control over hydraulic cylinders. Proportional and servo control integration enhances the responsiveness, accuracy, and dynamic performance of hydraulic cylinders.

4. Human-Machine Interface (HMI):

– Hydraulic cylinders integrated with advanced control systems can be operated and monitored through human-machine interface (HMI) devices. HMIs provide a graphical user interface that allows operators to interact with the control system, monitor cylinder performance, and adjust parameters. HMIs enable operators to set desired positions, forces, or velocities, and visualize the real-time feedback from sensors. This integration simplifies the operation and monitoring of hydraulic cylinders, making them more user-friendly and facilitating seamless integration into automated systems.

5. Communication and Networking:

– Hydraulic cylinders can be integrated into communication and networking systems, enabling them to be part of a larger automated system. Integration with industrial communication protocols, such as Ethernet/IP, Profibus, or Modbus, allows for seamless information exchange between the hydraulic cylinders and other system components. This integration enables centralized control, data logging, remote monitoring, and coordination with other automated processes. Communication and networking integration enhance the overall efficiency, coordination, and integration of hydraulic cylinders within complex automation systems.

6. Automation and Sequential Control:

– By integrating hydraulic cylinders with advanced control systems, they can be seamlessly incorporated into automated processes and sequential control operations. The control system can execute predefined sequences or programmed logic to control the operation of hydraulic cylinders based on specific conditions, inputs, or timing. This integration enables the automation of complex tasks, such as material handling, assembly operations, or repetitive motions. Hydraulic cylinders can be synchronized with other actuators, sensors, or devices, allowing for coordinated and automated operation in various industrial applications.

7. Predictive Maintenance and Condition Monitoring:

– Advanced control systems can also enable predictive maintenance and condition monitoring for hydraulic cylinders. By integrating sensors and monitoring capabilities, the control system can continuously monitor the performance, health, and condition of hydraulic cylinders. This integration allows for the detection of abnormalities, wear, or potential failures in real-time. Predictive maintenance strategies can be implemented based on the collected data, optimizing maintenance schedules, reducing downtime, and enhancing the overall reliability of hydraulic systems.

In summary, hydraulic cylinders can be integrated with advanced control systems and automation technologies to enhance their functionality, precision, and performance. The integration allows for electronic control, closed-loop control, proportional and servo control, human-machine interface (HMI) interaction, communication and networking, automation and sequential control, as well as predictive maintenance and condition monitoring. These integrations enable more precise control, automation, improved efficiency, and optimized performance of hydraulic cylinders in various industrial applications.

hydraulic cylinder

Contribution of Hydraulic Cylinders to the Precision of Robotic and Automation Systems

Hydraulic cylinders play a significant role in enhancing the precision of robotic and automation systems. These systems rely on precise and controlled movements to perform various tasks with accuracy and repeatability. Let’s explore how hydraulic cylinders contribute to the precision of robotic and automation systems:

  1. Precise Positioning: Hydraulic cylinders enable precise positioning of robotic arms or automation components. They provide accurate control over the linear motion required for tasks such as picking, placing, and assembly. By precisely controlling the extension and retraction of the hydraulic cylinder, the system can achieve the desired position with high accuracy, ensuring precise alignment and consistent results.
  2. Controlled Motion: Hydraulic cylinders offer controlled and smooth motion, which is crucial for precise operation in robotic and automation systems. The flow of hydraulic fluid can be precisely regulated to control the speed and acceleration of the cylinder’s movement. This precise control allows for gentle and controlled movements, minimizing vibrations, overshooting, or jerky motions that could affect the accuracy of the system.
  3. Force Control: Hydraulic cylinders provide force control capabilities that contribute to precision in robotic and automation systems. By adjusting the hydraulic pressure, the force exerted by the cylinder can be precisely controlled. This is particularly valuable in applications that require delicate force-sensitive tasks, such as gripping fragile objects or performing precise force feedback during assembly or testing processes.
  4. Load Handling: Hydraulic cylinders are capable of handling heavy loads, allowing robotic and automation systems to manipulate and transport objects with precision. The high force capabilities of hydraulic cylinders ensure secure and stable handling of loads, minimizing the risk of slippage or imprecise positioning. This is crucial in applications where precise control over heavy objects is required, such as material handling or industrial assembly processes.
  5. Durability and Reliability: Hydraulic cylinders are known for their durability and reliability in demanding industrial environments. The ability to withstand repeated use, high loads, and harsh conditions ensures consistent performance over time. This reliability contributes to the precision of robotic and automation systems, as any deviation or failure in the cylinder’s movement could lead to inaccuracies or disruptions in the system’s operation.

In summary, hydraulic cylinders make significant contributions to the precision of robotic and automation systems by enabling precise positioning, controlled motion, force control, load handling, and offering durability and reliability. These capabilities ensure accurate and repeatable movements, minimize errors, and enhance the overall precision of the system. By incorporating hydraulic cylinders into robotic and automation systems, manufacturers can achieve higher levels of precision, efficiency, and productivity in various industrial applications.

hydraulic cylinder

How do hydraulic cylinders handle variations in load, pressure, and speed?

Hydraulic cylinders are designed to handle variations in load, pressure, and speed effectively. They incorporate features and components that allow them to adapt to changing operating conditions and maintain optimal performance. Here’s a detailed explanation of how hydraulic cylinders handle variations in load, pressure, and speed:

Variations in Load:

– Hydraulic cylinders are capable of handling variations in load by adjusting the force they exert. The force output of a hydraulic cylinder is determined by the hydraulic pressure and the surface area of the piston. When the load increases, the pressure in the hydraulic system can be adjusted to generate a higher force. This adjustment can be achieved by regulating the flow of hydraulic fluid into the cylinder using control valves. By controlling the pressure and flow, hydraulic cylinders can adapt to different load requirements, ensuring that the force applied is sufficient to handle the load while preventing excessive force that could cause damage.

Variations in Pressure:

– Hydraulic cylinders are designed to handle variations in pressure within the hydraulic system. They are equipped with seals and other components that can withstand high-pressure conditions. When the pressure within the hydraulic system fluctuates, the hydraulic cylinder adjusts accordingly to maintain its performance. The seals prevent fluid leakage and ensure that the hydraulic pressure is effectively transmitted to the piston, allowing the cylinder to generate the required force. Additionally, hydraulic systems often incorporate pressure relief valves and other safety mechanisms to protect the cylinder and the entire system from overpressure conditions.

Variations in Speed:

– Hydraulic cylinders can handle variations in speed through the control of hydraulic fluid flow. The speed of a hydraulic cylinder’s extension or retraction is determined by the rate at which hydraulic fluid enters or exits the cylinder. By adjusting the flow rate using flow control valves, the speed of the cylinder’s movement can be regulated. This allows for precise control over the speed, enabling operators to adapt to varying speed requirements based on the specific task or load. Furthermore, hydraulic systems can incorporate flow control valves with adjustable orifice sizes to fine-tune the speed of the cylinder’s movement.

Load-Sensing Technology:

– Advanced hydraulic systems may incorporate load-sensing technology to further enhance the ability of hydraulic cylinders to handle variations in load, pressure, and speed. Load-sensing systems monitor the load demand and adjust the hydraulic pressure and flow accordingly to meet that demand. This technology ensures that the hydraulic cylinder provides the necessary force while optimizing energy efficiency. Load-sensing systems are particularly beneficial in applications where the load requirements can vary significantly, allowing hydraulic cylinders to adapt in real-time and maintain precise control over force and speed.


– Hydraulic systems can also utilize accumulators to assist in handling variations in load, pressure, and speed. Accumulators store hydraulic fluid under pressure, which can be released when needed to supplement the flow and pressure in the system. When there are sudden increases in load or pressure demands, accumulators can provide additional fluid to the hydraulic cylinder, ensuring smooth operation and preventing pressure drops. Similarly, accumulators can assist in maintaining consistent speed by compensating for fluctuations in flow rate. They act as a supplemental energy source, helping hydraulic cylinders respond effectively to variations in operating conditions.

In summary, hydraulic cylinders handle variations in load, pressure, and speed through various mechanisms and components. They can adjust the force output to accommodate different load requirements by regulating hydraulic pressure. The seals and components within hydraulic cylinders allow them to withstand variations in pressure within the hydraulic system. By controlling the flow of hydraulic fluid, hydraulic cylinders can regulate the speed of their movement. Advanced technologies such as load-sensing systems and the use of accumulators further enhance the adaptability of hydraulic cylinders to changing operating conditions. These features and mechanisms enable hydraulic cylinders to maintain optimal performance and provide reliable force and motion control in a wide range of applications.

China Best Sales 50L Oxygen Cylinder with Cga540 Export to South America   vacuum pump oil	China Best Sales 50L Oxygen Cylinder with Cga540 Export to South America   vacuum pump oil
editor by CX 2023-12-05