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
TP:200KG/CM2
PW:300KG/CM2
| 40L and 50L medical oxygen cylinders | |||||||
| Type | (mm) Outside Diameter |
(L) Water Capacity |
(mm) () Height (Withoutvalve) |
(Kg) (,) Weight(Without valve,cap) |
(Mpa) Working Pressure |
(mm) Design Wall Thickness |
Material Grades |
| 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: | |
| Structure: | General Cylinder |
| Power: | Hydraulic |
| Standard: | Standard |
| Pressure Direction: | Single-acting Cylinder |
| Customization: |
Available
|
|
|---|

How do manufacturers ensure the durability and reliability of hydraulic cylinders?
Manufacturers employ various strategies and techniques to ensure the durability and reliability of hydraulic cylinders. These measures are crucial as hydraulic cylinders are often subjected to demanding operating conditions and heavy loads. To ensure their longevity and dependable performance, manufacturers focus on the following aspects:
1. High-Quality Materials:
– Manufacturers use high-quality materials in the construction of hydraulic cylinders. Components such as cylinder barrels, piston rods, seals, and bearings are made from materials that possess excellent strength, corrosion resistance, and wear resistance properties. Common materials used include high-grade steel alloys, chrome-plated rods, and specialized coatings. The selection of appropriate materials ensures that hydraulic cylinders can withstand the stresses, pressures, and environmental conditions they encounter during operation.
2. Robust Design:
– Hydraulic cylinders are designed to withstand high loads and harsh operating conditions. Manufacturers use computer-aided design (CAD) software and finite element analysis (FEA) techniques to optimize the cylinder’s structural integrity and performance. The design includes factors such as proper wall thickness, reinforcement in critical areas, and appropriate sizing of components. Robust design practices ensure that hydraulic cylinders can withstand the forces and stresses they encounter, preventing premature failure and ensuring durability.
3. Quality Manufacturing Processes:
– Manufacturers follow stringent quality control measures during the manufacturing processes of hydraulic cylinders. These processes include precision machining, welding, heat treatment, and surface finishing. Skilled technicians and advanced machinery are employed to ensure dimensional accuracy, proper fitment of components, and overall quality. By adhering to strict manufacturing processes and quality standards, manufacturers can produce hydraulic cylinders with consistent performance and reliability.
4. Sealing Technology:
– The sealing system of hydraulic cylinders is critical for their durability and reliability. Manufacturers utilize advanced sealing technologies such as lip seals, O-rings, and composite seals to prevent fluid leakage and ingress of contaminants. Properly designed and high-quality seals ensure that hydraulic cylinders can maintain their performance over extended periods. Seals are tested for their compatibility with the hydraulic fluid, pressure resistance, and resilience to environmental factors such as temperature and humidity.
5. Performance Testing:
– Manufacturers subject hydraulic cylinders to rigorous performance testing to validate their durability and reliability. These tests simulate real-world operating conditions and evaluate factors such as load capacity, pressure resistance, fatigue life, and leakage. Performance testing helps identify any design flaws or weaknesses in the hydraulic cylinder and allows manufacturers to make necessary improvements. By conducting thorough performance testing, manufacturers can ensure that hydraulic cylinders meet or exceed the required performance standards.
6. Compliance with Industry Standards:
– Manufacturers adhere to industry standards and regulations to ensure the durability and reliability of hydraulic cylinders. These standards, such as ISO 6020/6022 and NFPA T3.6.7, provide guidelines for design, manufacturing, and performance requirements. By following these standards, manufacturers ensure that hydraulic cylinders are designed and built to meet specific quality and safety criteria. Compliance with industry standards helps establish a baseline for durability and reliability and instills confidence in the performance of hydraulic cylinders.
7. Regular Maintenance and Service:
– Manufacturers provide recommendations for regular maintenance and service of hydraulic cylinders. This includes guidelines for lubrication, inspection of components, and replacement of wear parts such as seals and bearings. Following the manufacturer’s maintenance guidelines helps ensure the long-term durability and reliability of hydraulic cylinders. Regular maintenance also allows for the early detection of potential issues, preventing major failures and extending the service life of the hydraulic cylinders.
8. Customer Support and Warranty:
– Manufacturers provide customer support and warranty services to address any issues that arise with hydraulic cylinders. They offer technical assistance, troubleshooting guidance, and replacement of defective components. The warranty ensures that customers receive reliable and durable hydraulic cylinders and provides recourse in case of any manufacturing defects or premature failures. Strong customer support and warranty policies reflect the manufacturer’s commitment to the durability and reliability of their products.
In summary, manufacturers ensure the durability and reliability of hydraulic cylinders through the use of high-quality materials, robust design practices, stringent manufacturing processes, advanced sealing technology, thorough performance testing, compliance with industry standards, regular maintenance guidelines, and customer support with warranty services. By focusing on these aspects, manufacturers can produce hydraulic cylinders that can withstand demanding conditions, provide long service life, and deliver reliable performance in various applications.

Handling Challenges of Different Fluid Viscosities in Hydraulic Cylinders
Hydraulic cylinders are designed to handle the challenges associated with different fluid viscosities. The viscosity of hydraulic fluid can vary based on temperature, type of fluid used, and other factors. Hydraulic systems need to accommodate these variations to ensure optimal performance and efficiency. Let’s explore how hydraulic cylinders handle the challenges of different fluid viscosities:
- Fluid Selection: Hydraulic cylinders are designed to work with a range of hydraulic fluids, each with its specific viscosity characteristics. The selection of an appropriate fluid with the desired viscosity is crucial to ensure optimal performance. Manufacturers provide guidelines regarding the recommended viscosity range for specific hydraulic systems and cylinders. By choosing the right fluid, hydraulic cylinders can effectively handle the challenges posed by different fluid viscosities.
- Viscosity Compensation: Hydraulic systems often incorporate features to compensate for variations in fluid viscosity. For example, some hydraulic systems utilize pressure compensating valves that adjust the flow rate based on the viscosity of the fluid. This compensation ensures consistent performance across different operating conditions and fluid viscosities. Hydraulic cylinders work in conjunction with these compensation mechanisms to maintain precision and control, regardless of the fluid viscosity.
- Temperature Control: Fluid viscosity is highly dependent on temperature. Hydraulic cylinders employ various temperature control mechanisms to address the challenges posed by temperature-induced viscosity changes. Heat exchangers, coolers, and thermostatic valves are commonly used to regulate the temperature of the hydraulic fluid within the system. By controlling the fluid temperature, hydraulic cylinders can maintain the desired viscosity range, ensuring reliable and efficient operation.
- Efficient Filtration: Contaminants in hydraulic fluid can affect its viscosity and overall performance. Hydraulic systems incorporate efficient filtration systems to remove particles and impurities from the fluid. Clean fluid with the appropriate viscosity ensures optimal functioning of hydraulic cylinders. Regular maintenance and filter replacements are essential to uphold the desired fluid viscosity and prevent issues related to fluid contamination.
- Proper Lubrication: Different fluid viscosities can impact the lubrication properties within hydraulic cylinders. Lubrication is essential for minimizing friction and wear between moving parts. Hydraulic systems employ lubricants specifically formulated for the anticipated fluid viscosity range. Adequate lubrication ensures smooth operation and extends the lifespan of hydraulic cylinders, even in the presence of varying fluid viscosities.
In summary, hydraulic cylinders employ various strategies to handle the challenges associated with different fluid viscosities. By selecting appropriate fluids, incorporating viscosity compensation mechanisms, controlling temperature, implementing efficient filtration, and ensuring proper lubrication, hydraulic cylinders can accommodate variations in fluid viscosity. These measures enable hydraulic systems to deliver consistent performance, precise control, and efficient operation across different fluid viscosity ranges.

Which industries and machinery commonly use hydraulic cylinders for power transmission?
Hydraulic cylinders are widely used in various industries and machinery for power transmission due to their ability to generate high force, precise control, and reliable operation. They play a crucial role in converting hydraulic energy into mechanical force and motion. Here are the detailed industries and machinery that commonly utilize hydraulic cylinders for power transmission:
1. Construction and Heavy Equipment:
– Hydraulic cylinders are extensively used in the construction industry for tasks involving heavy lifting, pushing, and positioning. They are employed in cranes, excavators, loaders, bulldozers, and other heavy equipment to lift and move heavy loads, operate attachments, and manipulate construction materials. Hydraulic cylinders provide the necessary force and control for tasks such as lifting and lowering buckets, extending and retracting booms, and tilting blades.
2. Material Handling and Logistics:
– In material handling and logistics applications, hydraulic cylinders are vital components for the movement and manipulation of goods. They are used in forklifts, stackers, palletizers, and conveyor systems to lift, lower, and position loads with precision. Hydraulic cylinders enable the efficient transfer of heavy objects, facilitate stacking and sorting operations, and contribute to the smooth operation of material handling equipment.
3. Agriculture and Farming:
– The agricultural industry relies on hydraulic cylinders for various tasks in farming equipment. Tractors, harvesters, sprayers, and loaders utilize hydraulic cylinders to perform functions such as lifting and lowering implements, adjusting the position of attachments, and steering operations. Hydraulic cylinders enable efficient and precise control in tasks like plowing, tilling, harvesting, and baling, enhancing productivity and convenience in agricultural operations.
4. Mining and Extraction:
– Hydraulic cylinders are extensively utilized in the mining and extraction industry for their ability to handle heavy loads and operate in challenging environments. They are employed in mining equipment such as dump trucks, loaders, and excavators for tasks like ore extraction, rock breaking, and material transport. Hydraulic cylinders provide the force required for excavating, loading, and dumping operations, contributing to the efficiency and productivity of mining operations.
5. Manufacturing and Industrial Machinery:
– Hydraulic cylinders are an integral part of various manufacturing and industrial machinery. They are utilized in presses, stamping machines, injection molding machines, and metal forming equipment to apply force for shaping, bending, and pressing operations. Hydraulic cylinders enable precise control over the force and speed required for manufacturing processes, ensuring accurate and consistent results.
6. Automotive and Transportation:
– Hydraulic cylinders are employed in the automotive and transportation industry for a range of applications. They are used in vehicle lifting systems, such as car lifts and hydraulic jacks, for maintenance and repairs. Hydraulic cylinders are also utilized in bus doors, truck tailgates, and cargo handling systems to provide controlled movement and positioning. Additionally, hydraulic suspension systems in trucks, buses, and trailers use hydraulic cylinders for load leveling and stability.
7. Aerospace and Aviation:
– The aerospace and aviation industry relies on hydraulic cylinders for various applications, including aircraft landing gear, wing flaps, and flight control systems. Hydraulic cylinders provide the necessary force and precise control for extending and retracting landing gear, adjusting wing surfaces, and actuating control surfaces. They contribute to the safe and efficient operation of aircraft, ensuring reliable performance during takeoff, landing, and flight maneuvers.
8. Marine and Offshore:
– Hydraulic cylinders are utilized in marine and offshore equipment for a wide range of tasks. They are found in ship and boat steering systems, hatch covers, cranes, winches, and anchor handling equipment. Hydraulic cylinders enable precise control and powerful force transmission in maritime applications, supporting navigation, cargo handling, and offshore operations.
In summary, hydraulic cylinders are commonly used in industries such as construction, material handling, agriculture, mining, manufacturing, automotive, aerospace, marine, and more. They are integral components in machinery and equipment that require reliable power transmission, precise control, and the ability to handle heavy loads. The versatile nature of hydraulic cylinders allows them to be adapted to various applications, contributing to increased efficiency, productivity, and safety in numerous industries.


editor by CX 2023-12-14