Product Description
Detailed Photos
Product Parameters
| Hydraulic cylinder type | Stroke(mm) | Rated Pressure (MPa) |
H(mm) | b(mm) | c(mm) | φd(mm) |
| 3TG-E149*4280ZZ | 4280 | 20 | 343 | 340 | 245 | φ60 |
| 4TG-E149*4280ZZ | 4280 | 20 | 343 | 340 | 245 | φ60 |
| 4TG-E149*4650ZZ | 4650 | 20 | 343 | 340 | 245 | φ60 |
| 4TG-E149*5180ZZ | 5180 | 20 | 343 | 340 | 245 | φ60 |
| 5TG-E149*4280ZZ | 4280 | 20 | 343 | 340 | 245 | φ60 |
| 5TG-E149*4650ZZ | 4650 | 20 | 343 | 340 | 245 | φ60 |
| 5TG-E149*5180ZZ | 5180 | 20 | 343 | 340 | 245 | φ60 |
| 3TG-E157*4280ZZ | 4280 | 20 | 343 | 340 | 245 | φ60 |
| 4TG-E157*4280ZZ | 4280 | 20 | 343 | 340 | 245 | φ60 |
| 4TG-E157*4650ZZ | 4650 | 20 | 343 | 340 | 245 | φ60 |
| 4TG-E157*5180ZZ | 5180 | 20 | 343 | 340 | 245 | φ60 |
| 5TG-E157*4280ZZ | 4280 | 20 | 343 | 340 | 245 | φ60 |
| 5TG-E157*4650ZZ | 4650 | 20 | 343 | 340 | 245 | φ60 |
| 5TG-E157*5180ZZ | 5180 | 20 | 343 | 340 | 245 | φ60 |
| 6TG-E169*4280ZZ | 4280 | 20 | 343 | 340 | 245 | φ60/φ65 |
| 6TG-E169*4650ZZ | 4650 | 20 | 343 | 340 | 245 | φ60/φ65 |
| 6TG-E179*4280ZZ | 4280 | 20 | 343 | 340 | 245 | φ60/φ65 |
| 6TG-E179*4650ZZ | 4650 | 20 | 343 | 340 | 245 | φ60/φ65 |
Product Details
The CHINAMFG hydraulic cylinder adopts excellent sealing technology and new material applications, which can withstand the worstworking conditions and can adapt to the temperature range of
-40~110°C. It operates continuously and stably in high and low temperature environments, ensuring the safety of drivers and vehicles.
1. Adopts high-quality 27SiMn regulated steel pipe, with high tensile strength, high yield and strong bearing capacity.
2. Patented technology design and advanced production manufacturing are adopted to ensure the stability of product quality.
3. Imported oil seal is adopted, with good sealing performance.
4. Special design, light weight, fast lifting and lowering speed.
5. Surface is chromed to increase the surface hardness and prolong the service life.
Application
We have more hydraulic cylinders, you can initiate inquiries and contact us
Company Introduction
HangZhou CHINAMFG Machinery Co., Ltd. was established in 2002 and is located at the north end of the East Outer Ring Road in HangZhou City (1 kilometer south of thehighway toll station), with convenient transportation. The company is a profes-sional equipment production enterprise dedicated to the design, research and development, and manufacturing of hydraulic machinery products. Leading vari-ous specialized vehicle hydraulic cylinder assemblies and hydraulic system prod-ucts.
The company covers an area of over 100 acres. We have a total of 150 sets of deep hole boring equipment, cold drawing production lines, testing equipment, various CNC machining machines, cylindrical grinding machines, centerless grind-ing machines, welding production lines, etc. The company passed the IS09001d quality system certification in 2003; In 2013, it passed ISO/TSI6949 international quality system certification and was awarded the title of China’s Quality Integrity AAA Class Brand Enterprise.
Other products
Packaging & Shipping
After sending, we will track the products for you once every 2 days, until you get the products. When you got the goods, test them, and give me a feedback. If you have any questions about the problem, contact with us, we will offer the solve way for you.
FAQ
Q1: How is the quality?
We adopt patented technology structure design and advanced production process, and have passed the IATF16949:2016 quality control system and ISO9001 to ensure stable product quality.
Q2: What are the advantages of your oil cylinder?
The oil cylinder is manufactured using advanced equipment and processed through strict quality control. The steel has undergone tempering treatment, and all raw mate-
rials are from world-renowned companies with superior quality.
Competitive prices!
Q3: When was your company established?
Our company was established in 2002, specializing in the production of hydraulic cyl-
inders for over 20 years.
Q4: What is the delivery time?
About 30 days.
Q5: What is the quality assurance of hydraulic cylinders?
One year.
To get price list of promotion hydro cylinder, please contact us
/* October 22, 2571 15:47:17 */(()=>{function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

How does a forklift hydraulic cylinder handle variations in fluid pressure?
A forklift hydraulic cylinder is designed to handle variations in fluid pressure and maintain consistent performance. Here’s an explanation of how it accomplishes this:
The hydraulic cylinder’s ability to handle variations in fluid pressure is primarily attributed to its internal design and the use of various components:
1. Cylinder Construction:
The cylinder barrel, which houses the piston and seals, is designed to withstand high-pressure conditions. It is typically made of durable materials such as high-strength steel to ensure structural integrity and prevent leakage or deformation.
2. Sealing Mechanisms:
The hydraulic cylinder incorporates seals at key points to prevent fluid leakage and maintain pressure. These seals, typically made of rubber or other elastomeric materials, create a tight barrier between the piston and cylinder barrel. They are designed to withstand variations in pressure and provide reliable sealing performance.
3. Pressure Relief Mechanisms:
In situations where there are sudden increases in fluid pressure, hydraulic cylinders may be equipped with pressure relief mechanisms. These mechanisms allow excess pressure to be released, preventing damage to the cylinder or other hydraulic system components. Pressure relief valves or similar devices are commonly used for this purpose.
4. Hydraulic Fluid Properties:
The hydraulic fluid itself plays a role in handling pressure variations. The fluid is carefully selected based on its viscosity, stability, and ability to withstand pressure changes. It is essential to use hydraulic fluids that are specifically formulated for the operating conditions and pressure requirements of the forklift hydraulic system.
5. Control Valves:
The forklift’s hydraulic system includes control valves that regulate the flow and direction of hydraulic fluid. These valves allow the operator to control the pressure and flow rate within the hydraulic cylinder, ensuring safe and efficient operation even during pressure variations.
By incorporating these design elements and components, a forklift hydraulic cylinder can effectively handle variations in fluid pressure. The robust cylinder construction, sealing mechanisms, pressure relief mechanisms, appropriate hydraulic fluid selection, and control valves work together to maintain consistent performance and prevent any adverse effects caused by pressure fluctuations.
In summary, a forklift hydraulic cylinder is specifically designed to handle variations in fluid pressure. Through its construction, sealing mechanisms, pressure relief mechanisms, hydraulic fluid properties, and control valves, the cylinder ensures reliable and consistent performance even under changing pressure conditions.

How does a forklift hydraulic cylinder handle variations in seal technology?
A forklift hydraulic cylinder is designed to handle variations in seal technology to ensure effective sealing and reliable performance. Here’s an explanation of how it achieves this:
The hydraulic cylinder’s ability to accommodate different seal technologies is essential for maintaining hydraulic fluid integrity and preventing leakage. The cylinder handles variations in seal technology through the following mechanisms:
1. Seal Compatibility:
Forklift hydraulic cylinders are designed to be compatible with various types of seal technologies. Different seal materials and designs are available, such as O-rings, lip seals, and composite seals. The cylinder is manufactured with precise dimensions and tolerances to accommodate the specific seal technology being used. This compatibility ensures a proper fit and seal, regardless of the seal technology employed.
2. Material Selection:
The choice of cylinder material is also crucial in handling variations in seal technology. Different seal materials have varying compatibility with specific cylinder materials. Forklift hydraulic cylinders are typically constructed using materials such as steel or aluminum alloys, which offer excellent compatibility with a wide range of seal technologies. The cylinder material is selected to work harmoniously with different seal materials, ensuring reliable sealing performance.
3. Seal Design and Construction:
The design and construction of seals in the hydraulic cylinder are optimized to accommodate variations in seal technology. Seal manufacturers develop seals with specific features and characteristics tailored to different applications. These features may include improved sealing lip geometry, advanced materials with enhanced wear resistance, and specialized sealing mechanisms. The cylinder is designed to accommodate these variations, providing the necessary space and support for the specific seal technology being utilized.
4. Testing and Quality Control:
Hydraulic cylinders undergo rigorous testing and quality control processes to ensure seal compatibility and performance. During manufacturing, seals are inspected for proper fit, dimensions, and sealing integrity. The hydraulic system is also subjected to pressure and leakage tests to verify the effectiveness of the seals and overall system performance. These testing and quality control measures help identify any issues related to seal technology and allow for necessary adjustments or improvements.
In summary, a forklift hydraulic cylinder handles variations in seal technology through seal compatibility, appropriate material selection, seal design and construction, and rigorous testing and quality control. These measures ensure that the cylinder can effectively accommodate different seal technologies, providing reliable sealing performance and preventing hydraulic fluid leakage.

Can You Explain the Role of Hydraulic Fluid in a Forklift Cylinder?
The role of hydraulic fluid in a forklift cylinder is crucial for the proper operation and functionality of the hydraulic system. Hydraulic fluid, also known as hydraulic oil, serves multiple important functions within the forklift cylinder. Here’s an explanation of its role:
- Transmission of Power:
- Lubrication:
- Heat Transfer:
- Sealing and Contamination Prevention:
- Pressure Regulation:
- Contaminant Suspension:
Hydraulic fluid is responsible for transmitting power within the forklift cylinder. The hydraulic system in a forklift uses fluid under pressure to generate force and perform various tasks. When the forklift operator activates the controls, hydraulic fluid is pressurized by the hydraulic pump and directed towards the forklift cylinder. The pressurized fluid then applies force on the piston inside the cylinder, allowing the forklift to lift heavy loads.
Another important role of hydraulic fluid is to provide lubrication within the forklift cylinder. As the piston moves within the cylinder, there is friction between the piston seal and the cylinder wall. Hydraulic fluid acts as a lubricant, reducing friction and preventing excessive wear and tear. The lubricating properties of the hydraulic fluid ensure smooth movement of the piston and other internal components, enhancing the longevity and efficiency of the forklift cylinder.
Hydraulic systems generate heat due to the mechanical and fluid friction occurring during operation. The hydraulic fluid in the forklift cylinder plays a crucial role in heat transfer. It absorbs heat generated within the cylinder and carries it away from the components, helping to maintain the optimal operating temperature. Effective heat transfer prevents overheating and ensures the hydraulic system functions reliably. Some hydraulic fluids are specifically formulated with heat-resistant properties to handle high-temperature applications.
Hydraulic fluid helps maintain a proper seal within the forklift cylinder. The fluid fills the small gaps between the piston and cylinder wall, preventing leakage of pressurized fluid. It also helps to keep out contaminants, such as dirt, dust, and moisture, which can cause damage to the internal components. Hydraulic fluids often contain additives that provide sealing properties and protect against corrosion, maintaining the integrity of the hydraulic system.
Hydraulic fluid plays a role in pressure regulation within the forklift cylinder. The hydraulic pump pressurizes the fluid, and this pressure is transmitted to the cylinder to generate the required force for lifting loads. The properties of the hydraulic fluid, such as viscosity and compressibility, influence the pressure characteristics within the system. Proper selection of hydraulic fluid ensures the desired pressure levels are maintained, allowing the forklift to operate safely and efficiently.
Hydraulic fluid acts as a medium for suspending and carrying away contaminants that may enter the forklift cylinder. It traps particles and debris, preventing them from settling on critical hydraulic components. This helps to maintain the cleanliness of the hydraulic system and reduces the risk of damage or clogging. Regular maintenance, including fluid filtration and replacement, is essential to ensure the hydraulic fluid effectively suspends contaminants and maintains system cleanliness.
In summary, hydraulic fluid plays a vital role in a forklift cylinder. It transmits power, provides lubrication, facilitates heat transfer, helps maintain seals, regulates pressure, and suspends contaminants. By performing these functions, hydraulic fluid ensures the smooth and efficient operation of the forklift hydraulic system, contributing to the lifting and handling of heavy loads with precision and reliability.


editor by Dream 2024-11-29