China wholesaler High Pressure Seamless Steel Oxygen Gas Cylinder (DOT-3AA) vacuum pump brakes

Product Description

Technical requirements
1.application standard:DOT3AA-178.37
2.Filling contents:permanent gas or liquified gas
3.Environmental climate:-20ºC-60ºC
5.Heat treatment(quenched&tempered)

Quench Quench contents temper  
temperature time Water+additive temperature time
870ºC-910ºC ≥45min 600ºC-700ºC ≥70min

6.hydraulic test pressure:3778PSI(26MPA)
7.maximum working pressure:2265PSI(15.6MPA)

Chemical composition% C Mn Si Cr Mo S P
0.26-0.34 0.40-0.70 0.15-0.35 0.80-1.10 0.15-0.25 ≤0.035 ≤0.030


Mechanicalproperties Tensile strength Yield stress elongation Wall stress
≥104.4KSI ≥81.2KSI ≥20%(2") 68601PSI


Length approx 51.18"(1300mm)
Tare weight approx 114.4lb(52kg)

Export Markets:South America, Eastern Europe, Southeast Asia, Mid East

Type 2900(232) 2400(232) 2400(232) 2175(232) 2400(232) 2900(232)
(mm) 232 232 232 232 232 232
(mm) 1480 1450 1450 1345 1355 1475
(kg) 71.5 60 60 49.5 54 69.5
Weight(without valve, cap)
(psi) 2900 2400 2400 2175 2400 2900
Service Pressure
(psi) 4833 4000   3625 4000 4833
Testing Pressure
Thread NGT3/4" or NGT1″
Material 4130X 4130X 34Mn2V 37Mn 37Mn 4130X
 (mm) 7 5.8 5.8 5.2 5.8 7
Wall Thickness (in) 0.272 0.225 0.225 0.204 0.225 0.272
Water Capacity (L) 50 50 50 46.7 46.7 50
Type 2265 (232) 2400(232) 2400(232) 2175(232) 2400(232) 2900(232)
(mm) 232 232 232 232 232 232
(mm) 1345 1450 1450 1345 1355 1475
(kg) 49.5 60 60 49.5 54 69.5
 Weight(without valve, cap)
(psi) 2265 2400 2400 2175 2400 2900
Service Pressure
(psi) 3775 4000   3625 4000 4833
Testing Pressure
Thread NGT3/4"  or NGT1″
Material 4130X 4130X 4130X 37Mn 37Mn 34Mn2V
(mm) 5.4 5.8 5.4 6   6
Wall Thickness (in) 0.212 0.225 0.212 0.234   0.234
Water Capacity cuin(L) 46.7 48.8 43.3 68 80 68
Type 2400(267) 2400(267) 2300(279) 2400(279) 2300(279) 2015(220) 229
(mm) 267 267 279 279 279 229
(mm) 1495 1475 1630 1605 1595 1320
(kg) 81 79 93.5 94.5 88 45.8
 Weight(without valve, cap)
(psi) 2400 2400 2300 2400 2400 2015
Service Pressure
(psi) 4000 4000 3833 4000 4000 3360
Testing Pressure
Thread NGT3/4" or NGT1″
Material 34Mn2V 4130X 4130X 34Mn2V 4130X 4130X
(mm) 6.6 6.6 6.6 6.9 6.9 4.8
Wall Thickness (in) 0.259 0.259 0.259 0.271 0.271 0.186
Water Capacity cuin(L) 68 66 82 80 80 0.186
Type 2265(25)229 2400(300) 235 2265 (232) 2265 (232) 2265 (232) 2900(232)
(mm) 229 235 232 232 232 232
(mm) 1320 1420 1170 1300 1430 1205
(kg) 50 59 43.5 48 52.5 57
Weight(without valve, cap)
(psi) 2265 2400 2265     2900
Service Pressure
(psi) 3775 4000 3775 3775 3775 4883
Testing Pressure
Thread NGT3/4" or NGT1″
Material 4130X 4130X 37Mn 37Mn 37Mn 4130X
(mm) 5.3 5.8 5.4     7.0
Wall Thickness (in) 0.208 0.236 0.212     0.272
Water Capacity cuin(L) 43.3 48.9 40 45 50 40
Type 2900(232)I 2900(232)I 2175(267) 2175(267) 2175(267)  
(mm) 232 232 267 267 267  
(mm) 1340 1385 1320 1500 1520  
(kg) 62.5 64.5 66.5 73.5 75.5  
Weight(without valve, cap)
(psi)     2175      
Service Pressure
(psi) 4833 4833 3625 3625 3625  
Testing Pressure
Thread NGT3/4" or NGT1″
Material 4130X 4130X 37Mn 37Mn 37Mn  
 (mm)     6.0      
Wall Thickness (in)     0.234      
Water Capacity cuin(L) 45 46.7 60 68 70  

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Material: Steel
Usage: Print
Structure: Piston Cylinder
Power: Hydraulic
Standard: Standard
Pressure Direction: Double-acting Cylinder


hydraulic cylinder

Are there any emerging trends in hydraulic cylinder technology, such as smart features?

Yes, there are several emerging trends in hydraulic cylinder technology, including the integration of smart features. As industries continue to adopt advanced technologies and seek greater efficiency, hydraulic cylinders are being equipped with innovative capabilities to enhance their performance and provide additional benefits. Here are some of the emerging trends in hydraulic cylinder technology:

1. Sensor Integration:

- One of the significant trends in hydraulic cylinder technology is the integration of sensors. Sensors can be embedded within the hydraulic cylinder to monitor various parameters such as pressure, temperature, position, and load. These sensors provide real-time data, allowing for condition monitoring, predictive maintenance, and improved operational control. By collecting and analyzing data, operators can optimize the performance of hydraulic systems, detect potential issues in advance, and prevent failures, resulting in increased reliability and reduced downtime.

2. Connectivity and IoT:

- Hydraulic cylinders are being integrated into the Internet of Things (IoT) ecosystem, enabling connectivity and data exchange. By connecting hydraulic cylinders to a network, operators can remotely monitor and control their performance. IoT-enabled hydraulic cylinders facilitate features such as remote diagnostics, performance optimization, and predictive maintenance. The connectivity aspect allows for better integration with overall equipment systems and enables data-driven decision-making for improved efficiency and productivity.

3. Energy-Efficient Designs:

- With the increasing focus on sustainability and energy efficiency, hydraulic cylinder technology is evolving to incorporate energy-saving features. Manufacturers are developing hydraulic cylinders with improved sealing technologies, reduced friction, and optimized fluid flow dynamics. These advancements minimize energy losses and increase overall system efficiency. Energy-efficient hydraulic cylinders contribute to reduced power consumption, lower operating costs, and a smaller environmental footprint.

4. Advanced Materials and Coatings:

- The use of advanced materials and coatings is another emerging trend in hydraulic cylinder technology. Manufacturers are exploring lightweight materials, such as composites and alloys, to reduce the overall weight of hydraulic cylinders without compromising strength and durability. Furthermore, specialized coatings and surface treatments are being applied to improve corrosion resistance, wear resistance, and lifespan. These advancements enhance the longevity and reliability of hydraulic cylinders, particularly in demanding environments.

5. Intelligent Control Systems:

- Hydraulic cylinder technology is embracing intelligent control systems that optimize performance and enable advanced functionalities. These systems utilize algorithms, machine learning, and artificial intelligence to automate processes, adapt to changing conditions, and optimize hydraulic cylinder movements. Intelligent control systems can adjust parameters in real-time, ensuring precise and efficient operation. This trend allows for increased automation, improved productivity, and enhanced safety in hydraulic system applications.

6. Predictive Maintenance:

- Predictive maintenance is gaining prominence in hydraulic cylinder technology. By utilizing data collected from sensors and monitoring systems, predictive maintenance algorithms can analyze the condition and performance of hydraulic cylinders. This analysis helps to identify potential failures or degradation in advance, enabling proactive maintenance actions. Predictive maintenance reduces unplanned downtime, extends the lifespan of hydraulic cylinders, and optimizes maintenance schedules, resulting in cost savings and improved equipment availability.

7. Enhanced Safety Features:

- Hydraulic cylinder technology is incorporating enhanced safety features to improve operator and equipment safety. These features include integrated safety valves, load monitoring systems, and emergency stop functionalities. Safety systems in hydraulic cylinders help prevent accidents, protect against overloads, and ensure reliable operation. The integration of advanced safety features contributes to safer working environments and compliance with stringent safety regulations.

These emerging trends in hydraulic cylinder technology demonstrate the industry's focus on innovation, performance optimization, and sustainability. The integration of smart features, connectivity, advanced materials, and predictive maintenance capabilities enables hydraulic cylinders to operate more efficiently, provide real-time insights, and enhance overall system performance. As technology continues to advance, hydraulic cylinder technology is expected to evolve further, offering increased functionality and efficiency for various industries and applications.

hydraulic cylinder

Impact of Hydraulic Cylinders on Overall Productivity of Manufacturing Operations

Hydraulic cylinders play a crucial role in enhancing the overall productivity of manufacturing operations. These versatile devices are widely used in various industrial applications due to their ability to generate powerful and controlled linear motion. Let's explore how hydraulic cylinders impact the overall productivity of manufacturing operations:

  1. Powerful Force Generation: Hydraulic cylinders are capable of generating high forces, which enables them to handle heavy loads and perform demanding tasks. By providing the necessary force, hydraulic cylinders facilitate efficient and effective operation of machinery and equipment in manufacturing processes. This ability to exert substantial force contributes to increased productivity by enabling the handling of larger workpieces, enhancing process efficiency, and reducing manual labor requirements.
  2. Precision and Control: Hydraulic cylinders offer precise control over the movement of loads, allowing for accurate positioning, alignment, and repetitive tasks. The smooth and controlled linear motion provided by hydraulic cylinders ensures precise operation in manufacturing processes, such as assembly, material handling, and machining. This precision and control minimize errors, rework, and scrap, leading to improved productivity and higher-quality output.
  3. Speed and Efficiency: Hydraulic cylinders can operate at high speeds, enabling rapid movement and cycle times in manufacturing operations. The combination of high force and speed allows for faster operation of machinery and equipment, reducing production cycle times and increasing overall throughput. By optimizing the speed and efficiency of manufacturing processes, hydraulic cylinders contribute to improved productivity and output.
  4. Flexibility and Adaptability: Hydraulic cylinders are highly flexible and adaptable to different manufacturing applications. They can be customized to meet specific requirements, such as load capacity, stroke length, and mounting options. This versatility allows hydraulic cylinders to be integrated into a wide range of machinery and equipment, accommodating diverse manufacturing needs. The ability to adapt to different tasks and environments enhances overall productivity by enabling efficient utilization of resources and facilitating process optimization.
  5. Reliability and Durability: Hydraulic cylinders are known for their robustness and durability, making them suitable for demanding manufacturing environments. Their ability to withstand heavy loads, repeated use, and harsh operating conditions ensures reliable performance over extended periods. Minimizing downtime due to cylinder failure or maintenance requirements contributes to increased productivity and uninterrupted manufacturing operations.

In summary, hydraulic cylinders have a significant impact on the overall productivity of manufacturing operations. Their powerful force generation, precision and control, speed and efficiency, flexibility and adaptability, as well as reliability and durability, contribute to optimized processes, increased throughput, improved quality, and reduced labor requirements. By leveraging the capabilities of hydraulic cylinders, manufacturers can enhance productivity, streamline operations, and achieve greater efficiency in their manufacturing processes.

hydraulic cylinder

What maintenance practices are essential for extending the lifespan of hydraulic cylinders?

Maintaining hydraulic cylinders is crucial for extending their lifespan and ensuring optimal performance. Regular maintenance helps prevent premature wear, damage, and failure, ultimately reducing downtime and saving costs. Here are some essential maintenance practices to consider for extending the lifespan of hydraulic cylinders:

1. Regular Inspections:

- Conduct routine visual inspections of hydraulic cylinders to identify any signs of damage, leaks, or wear. Inspect the cylinder body, piston rod, seals, and mounting points. Look for fluid leaks, rust, dents, or any abnormal wear patterns. Early detection of issues allows for timely repairs or replacements, preventing further damage and extending the lifespan of the cylinder.

2. Cleanliness:

- Maintain a clean environment around hydraulic cylinders to prevent contaminants from entering the system. Dust, dirt, and debris can damage seals and other internal components, leading to accelerated wear and reduced performance. Regularly clean the cylinder and its surroundings to minimize the risk of contamination.

3. Proper Lubrication:

- Adequate lubrication is critical for the smooth operation and longevity of hydraulic cylinders. Follow the manufacturer's recommendations for lubrication intervals and use the appropriate lubricant. Apply lubrication to the cylinder's moving parts, such as the piston rod, to reduce friction and minimize wear.

4. Seal Maintenance:

- Seals play a vital role in preventing hydraulic fluid leaks and maintaining the cylinder's performance. Inspect and replace worn or damaged seals promptly. Ensure that seals are properly installed and lubricated. Regularly clean the seal grooves to remove any debris that could compromise seal effectiveness.

5. Pressure Checks:

- Periodically check the hydraulic system's pressure to ensure it is within the recommended operating range. Excessive pressure can strain the cylinder and its components, leading to premature wear. Monitor pressure levels and make adjustments as necessary to prevent overloading the cylinder.

6. Control Valve Maintenance:

- Maintain and inspect control valves that regulate the flow and direction of hydraulic fluid. Ensure that the valves are functioning correctly and not causing excessive stress or pressure spikes in the cylinder. Clean or replace control valves if they are damaged or malfunctioning.

7. Cylinder Alignment:

- Proper alignment of hydraulic cylinders is essential for their longevity. Misalignment can cause excessive side loads, leading to uneven wear and potential damage. Ensure that the cylinder is correctly aligned with other components and that the mounting points are secure.

8. Preventing Overloading:

- Avoid subjecting hydraulic cylinders to loads exceeding their rated capacity. Overloading can cause internal damage, seal failure, and reduced lifespan. Ensure that the load requirements are within the cylinder's capabilities and consider using safety devices like overload protection systems when necessary.

9. Training and Operator Awareness:

- Provide proper training to equipment operators on the correct use and handling of hydraulic cylinders. Operators should be aware of the cylinder's limitations, safe operating procedures, and the importance of regular maintenance. Promote a culture of proactive maintenance and encourage operators to report any potential issues promptly.

10. Documentation and Record-Keeping:

- Maintain detailed documentation of all maintenance activities, including inspections, repairs, and replacements. Keep records of lubrication schedules, pressure checks, and any maintenance performed on the hydraulic cylinders. This documentation helps track the cylinder's history, identify recurring issues, and plan future maintenance effectively.

By following these maintenance practices, hydraulic cylinder lifespan can be extended, ensuring reliable performance and reducing the risk of unexpected failures. Regular inspections, cleanliness, proper lubrication, seal maintenance, pressure checks, control valve maintenance, cylinder alignment, preventing overloading, operator training, and documentation contribute to the overall longevity and optimal functioning of hydraulic cylinders.

China wholesaler High Pressure Seamless Steel Oxygen Gas Cylinder (DOT-3AA)   vacuum pump brakesChina wholesaler High Pressure Seamless Steel Oxygen Gas Cylinder (DOT-3AA)   vacuum pump brakes
editor by CX 2023-12-24