Product Description
Product Description
Product name: seamless steel gas cylinder/industrial gas cylinder
Executive standard: ISO9809-1(TPED),UN ISO9809-1,GB/T5099.1
Hydraulic test pressure, Bar: 250bar/300bar
Nominal working pressure, Bar: 150bar/200bar
Material: 37Mn/34CrMo4
Filling medium: oxygen, nitrogen, carbon dioxide, etc.
Diameter (mm): 219mm~325mm
Exporting countries: China, Mexico, South America, Southeast Asia, Turkey, etc.
Nominal water volume (L): 20L~120L
Length (mm): 660mm~1850mm
Use scenario: filling industrial gas, bottle group
Weight (kg): 26.0KG~120.0KG
Company Profile
Welcome to ZheJiang Clean Energy Co. Ltd.
ZheJiang Clean Energy Co., Ltd. is an enterprise that produces and sells various seamless steel cylinders and composite liner gas cylinders such as compressed natural gas cylinders for vehicles, industrial gas cylinders, and fire-fighting cylinders.The company is committed to providing automotive green energy solutions and related environmental protection supporting services.
Our factory
The company was established in 2009 and entered the Xihu (West Lake) Dis. County Economic Development Zone in ZheJiang in 2014. It has built a standardized factory covering an area of 46,000 square meters.The company has focused on R&D and production for more than 10 years, and its global sales volume has reached 2 million.The company has 6 gas cylinder spinning production lines, 2 heat treatment and tempering lines, as well as machining, spraying and winding production lines. It has an annual production capacity of 360,000 gas cylinders, and can produce industrial steel seamless bottles,CNG vehicles, CNG glass fiber hoop wound gas cylinders for CNG vehicles, carbon fiber wound gas cylinders for CNG vehicles, composite material wound gas cylinders for CNG vehicles, steel seamless cylinders for CNG stations, fire-fighting steel cylinders, and LPG Cylinders, respirators and other products.
After years of business development, the “Clean” gas cylinder brand has gained a high reputation and reputation in the market. Its sales network covers Asia, Europe, and the Americas. The products are exported to more than 50 countries and regions including Italy, Brazil, Thailand, India, Uzbekistan and so on.Beginning in 2018, Green Gas Cylinders have successively become qualified suppliers for Foton, Xihu (West Lake) Dis.feng, Chery, ZheJiang Automobile and other auto plants.
Quality Control
Related certificates
QMS:ISO9001,IATF16949
PRODUCT CERTIFICATES& APPROVALS:
SEAMLESS STEEL CYLINDER:ISO9809-1(TPED),UNISO9809-1,GB/T5099.1
CNG TYPE-1:ISO11439,ECE R110;
CNG TYPE-2:GB24160,ISO11439,ECE R110;
CNG TYPE-3:Q/LD003-2019,ISO11439;
CNG TYPE-4:ISO11439,ECE R110;
LPG COMPOSITE CYLINDER:EN12245:2009,ISO11119
BREATHING AIR COMPOSITE CYLINDER:EN12245:2009
R&D and patents
ZheJiang Clean Energy had lunched research and development program of Type-4(Plastic liner with carbon fiber full-wrapped)
ZheJiang Clean Energy has been conducting research and development plans for CNG-4 (carbon fiber fully wrapped plastic liner) gas cylinders since 2013. Through the efforts of our technicians, by the end of 2018, we have passed all the test procedures and become the first CNG-4 forensic manufacturer in China. In 2019, we established a modern standardized 6S workshop for CNG-4. At the same time, at the end of 2571, the company successfully completed the research and development of LPG composite gas cylinders and obtained relevant international certificates. It is about to complete the construction of the LPG composite gas cylinder production line in the first half of 2571 and quickly put it into production.
Exhibition
We arrange to participate in different exhibitions all around the world every year, including FIGAS&VEHIGAS(Peru), ALTFUELS MEXICO(Mexico), GAS FORUM(Russia Federation), GASSUF(Russian Federation), INSTITUCION FERIAL DE CHINAMFG MADRID(Spain), International NGVS Exhibition& Forum(China)
Package&Logistics
We can provide a series of package and logistics solutions according to the customer’s requirements, to ensure our goods reach our customers on time and safely
FAQ
* Q1: Are you manufacturer or trade company?
* A1: We are a Chinese manufacturer, and have been specializing in manufacturing gas cylinders for more than 10 years. Our company brand is “LD”.
* Q2: What is your daily production capacity?
* A2: Our production capacity everyday is 800~1000 units.
* Q3: What is your delivery time?
* A3: Usually our delivery time is 25-45 days against the advance payment. Mainly it depends on when we get the production materials.
* Q4: What certificates do you have?
* A4: We have ISO9001 and IATF16949 for management system, and ISO9809, ISO11439 and ECE R110 for production approval.
* Q5: Do you accept OEM production?
* A5: Of course, we have served several famous motor OEMs, such as TOYOTA(Thailand)-Thailand, IKCO-Iran, GAZ-Russia, DF-China, and FOTON-China, etc. We would like to serve more customers with our superior quality.
* Q6: Can you provide samples to us?
* A6: Yes, we can provide 1-2 samples for your testing freely, but you need to undertake the logistic cost firstly.
* Q7: Can you customize the products?
* A7: Yes, we can provide you with various customized products. For example, your company brand/logo, different accessories and your favorite colors.
| Material: | 37mn |
|---|---|
| Usage: | Gas |
| Structure: | General Cylinder |
| Power: | Hydraulic |
| Standard: | Standard |
| Pressure Direction: | Single-acting Cylinder |
| Samples: |
US$ 200/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
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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.

Integration of Hydraulic Cylinders with Equipment Requiring Rapid and Dynamic Movements
Hydraulic cylinders can indeed be integrated with equipment that requires rapid and dynamic movements. While hydraulic systems are generally known for their ability to provide high force and precise control, they can also be designed and optimized for applications that demand fast and dynamic motion. Let’s explore how hydraulic cylinders can be integrated with such equipment:
- High-Speed Hydraulic Systems: Hydraulic cylinders can be part of high-speed hydraulic systems designed specifically for rapid and dynamic movements. These systems incorporate features such as high-flow valves, optimized hydraulic circuitry, and responsive control systems. By carefully engineering the system components and hydraulic parameters, it is possible to achieve the desired speed and responsiveness, enabling the equipment to perform rapid movements.
- Valve Control: The control of hydraulic cylinders plays a crucial role in achieving rapid and dynamic movements. Proportional or servo valves can be used to precisely control the flow of hydraulic fluid into and out of the cylinder. These valves offer fast response times and precise flow control, allowing for rapid acceleration and deceleration of the cylinder’s piston. By adjusting the valve settings and optimizing the control algorithms, equipment can be designed to execute dynamic movements with high speed and accuracy.
- Optimized Cylinder Design: The design of hydraulic cylinders can be optimized to facilitate rapid and dynamic movements. Lightweight materials, such as aluminum alloys or composite materials, can be used to reduce the moving mass of the cylinder, enabling faster acceleration and deceleration. Additionally, the cylinder’s internal components, such as the piston and seals, can be designed for low friction to minimize energy losses and enhance responsiveness. These design optimizations contribute to the overall speed and dynamic performance of the equipment.
- Accumulator Integration: Hydraulic accumulators can be integrated into the system to enhance the dynamic capabilities of hydraulic cylinders. Accumulators store pressurized hydraulic fluid, which can be rapidly released to supplement the flow from the pump during high-demand situations. This stored energy can provide an extra boost of power, allowing for faster and more dynamic movements. By strategically sizing and configuring the accumulator, the system can be optimized for the specific rapid and dynamic requirements of the equipment.
- System Feedback and Control: To achieve precise and dynamic movements, hydraulic systems can incorporate feedback sensors and advanced control algorithms. Position sensors, such as linear potentiometers or magnetostrictive sensors, provide real-time position feedback of the hydraulic cylinder. This information can be used in closed-loop control systems to maintain precise positioning and execute rapid movements. Advanced control algorithms can optimize the control signals sent to the valves, ensuring smooth and dynamic motion while minimizing overshooting or oscillations.
In summary, hydraulic cylinders can be integrated with equipment that requires rapid and dynamic movements by utilizing high-speed hydraulic systems, employing responsive valve control, optimizing cylinder design, integrating accumulators, and incorporating feedback sensors and advanced control algorithms. These measures enable hydraulic systems to deliver the speed, responsiveness, and precision necessary for equipment operating in dynamic environments. By leveraging the capabilities of hydraulic cylinders, manufacturers can design and integrate systems that meet the requirements of applications demanding rapid and dynamic movements.

What is a hydraulic cylinder and how does it function in various applications?
A hydraulic cylinder is a mechanical actuator that converts hydraulic energy into linear force and motion. It plays a critical role in various applications where controlled and powerful linear motion is required. Hydraulic cylinders are commonly used in industries such as construction, manufacturing, agriculture, and transportation. Here’s a detailed explanation of what a hydraulic cylinder is and how it functions:
Definition and Components:
– A hydraulic cylinder consists of a cylindrical barrel, a piston, a piston rod, and various seals. The barrel is a hollow tube that houses the piston and allows for fluid flow. The piston divides the cylinder into two chambers: the rod side and the cap side. The piston rod extends from the piston and provides a connection point for external loads. Seals are used to prevent fluid leakage and maintain hydraulic pressure within the cylinder.
Function:
– The function of a hydraulic cylinder is to convert the pressure and flow of hydraulic fluid into linear force and motion. The hydraulic fluid, typically oil, is pressurized and directed into one of the chambers of the cylinder. As the fluid enters the chamber, it applies pressure on the piston, causing it to move in a linear direction. This linear motion of the piston is transferred to the piston rod, creating a pushing or pulling force.
Working Principle:
– The working principle of a hydraulic cylinder is based on Pascal’s law, which states that pressure exerted on a fluid in a confined space is transmitted equally in all directions. In a hydraulic cylinder, when hydraulic fluid is pumped into one side of the cylinder, it creates pressure on the piston. The pressure is transmitted through the fluid to the other side of the piston, resulting in a balanced force across the piston and piston rod. This force generates linear motion in the direction determined by the fluid input.
Applications:
– Hydraulic cylinders find extensive use in a wide range of applications due to their ability to generate high forces and precise control of linear motion. Some common applications include:
1. Construction Equipment: Hydraulic cylinders are used in excavators, loaders, bulldozers, and cranes for lifting, pushing, and digging tasks.
2. Manufacturing Machinery: Hydraulic cylinders are employed in presses, machine tools, and material handling equipment for pressing, clamping, and lifting operations.
3. Agricultural Machinery: Hydraulic cylinders are used in tractors, harvesters, and irrigation systems for tasks like steering, lifting, and controlling attachments.
4. Transportation: Hydraulic cylinders are utilized in vehicles such as dump trucks, garbage trucks, and forklifts for tilting, lifting, and tipping operations.
5. Aerospace and Defense: Hydraulic cylinders are employed in aircraft landing gear, missile systems, and hydraulic actuators for control surfaces.
6. Marine and Offshore: Hydraulic cylinders are used in ship steering systems, cranes, and offshore drilling equipment for various lifting and positioning tasks.
In these applications, hydraulic cylinders offer advantages such as high force capability, precise control, compact size, and durability. They provide efficient and reliable linear motion, contributing to enhanced productivity and functionality in a wide range of industries.
Overall, hydraulic cylinders are integral components in various applications where controlled and powerful linear motion is required. Their ability to convert hydraulic energy into mechanical force makes them invaluable in numerous industries, enabling the operation of heavy machinery, precise positioning, and efficient load handling.


editor by CX 2023-11-28