Product Description
Company Profile
ZheJiang CHINAMFG Hydraulic Co., Ltd. (Stock Code: 83 0571 ), founded in June 2004, is a domestic medium and high pressure hydraulic cylinder supplier integrating R&D, production, sales and service. Its main products include 3 series of hydraulic cylinders for dump trucks, hydraulic cylinders for mechanical equipment and hydropneumatic springs.
The company’s management team and main technical personnel are stable. We has constantly innovated from the actual needs of customers, has gradually positioned the medium and high-end market, and has provided high-quality products for customers in automobile, coal mine, petroleum, engineering machinery and other industries with high-quality service.
Product Description
The FC telescopic hydraulic cylinder has always been the core product of our company, the company according to the market demand, continuous technical iteration and process innovation.
Our product advantage lies in:
1.World-class processing technology ensures stable and reliable quality of FC type front-end telescopic cylinders with outercover, more suitable for overload environment.
2.High quality alloy seamless steel pipe, with better mechanical properties, gives full play to the strength of big lifting capacity better.
3.High-end gantry type linear electroplating production line improves the anti-corrosion and hardness of the cylinder better.
4.The world famous brands of seals ensure the sealing performance.
5.Supplied to famous tipper trucks brands-SINOTRUCK/CIMC/SHACMAN/JAC and tested by the market for over 10 years.
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Specification
| ITEM | MODEL NO. | # of Stages | Largest Moving Stage Diameter(mm) | stroke(mm) | the largest sleeve OD(mm) | mounting distance(mm) |
| 1 | WTFC 4TG-E152*4280ZJ | 4 | 152 | 4280 | 272 | 335 |
| 2 | WTFC 5TG-E152*4280ZJ | 5 | 152 | 4280 | 272 | 335 |
| 3 | WTFC 4TG-E160*5390ZJ | 4 | 160 | 5390 | 272 | 335 |
| 4 | WTFC 4TG-F175*4280ZJ | 4 | 175 | 4280 | 272 | 335 |
| 5 | WTFC 4TG-F175*5390ZJ | 4 | 175 | 5390 | 272 | 335 |
| 6 | WTFC 4TG-F175*5700ZJ | 4 | 175 | 5700 | 272 | 335 |
| 7 | WTFC 5TG-F175*5390ZJ | 5 | 175 | 5390 | 272 | 335 |
| 8 | WTFC 5TG-F175*5700ZJ | 5 | 175 | 5700 | 272 | 335 |
| 9 | WTFC 4TG-F185*4650ZJ | 4 | 185 | 4650 | 272 | 335 |
| 10 | WTFC 4TG-F185*5000ZJ | 4 | 185 | 5000 | 272 | 335 |
| 11 | WTFC 4TG-F185*5700ZJ | 4 | 185 | 5700 | 272 | 335 |
| 12 | WTFC 4TG-F185*6180ZJ | 4 | 185 | 6180 | 272 | 335 |
| 13 | WTFC 5TG-F185*5000ZJ | 5 | 185 | 5000 | 272 | 335 |
| 14 | WTFC 4TG-F200*6000ZJ | 4 | 200 | 6000 | 272 | 335 |
| 15 | WTFC 5TG-F200*6500ZJ | 5 | 200 | 6500 | 272 | 335 |
| 16 | WTFC 4TG-F175*4280BH | 4 | 175 | 4280 | 244 | 325 |
| 17 | WTFC 4TG-F175*4650BH | 4 | 175 | 4650 | 244 | 325 |
| 18 | WTFC 4TG-F175*5390BH | 4 | 175 | 5390 | 244 | 325 |
| 19 | WTFC 4TG-F185*5700BH | 4 | 185 | 5700 | 244 | 325 |
| 20 | WTFC 4TG-F185*6000BH | 4 | 185 | 6000 | 244 | 325 |
| 21 | WTFC 4TG-F185*6180BH | 4 | 185 | 6180 | 244 | 325 |
| 22 | WTFC 4TG-F200*6000BH | 4 | 200 | 6000 | 244 | 325 |
| 23 | WTFC 4TG-F175*4280JT | 4 | 175 | 4280 | 244 | 325 |
| 24 | WTFC 4TG-F175*4650JT | 4 | 175 | 4650 | 244 | 325 |
| 25 | WTFC 4TG-F175*5390JT | 4 | 175 | 5390 | 244 | 325 |
| 26 | WTFC 4TG-F200*5700JT | 4 | 200 | 5700 | 272 | 325 |
| 27 | WTFC 4TG-F200*6180JT | 4 | 200 | 6180 | 272 | 325 |
| 28 | WTFC 4TG-F175*4450HT | 4 | 175 | 4450 | 244 | 345 |
| 29 | WTFC 5TG-F200*6180AF | 5 | 200 | 6180 | 272 | 325 |
Quality Guarantee System
1. Trial Operation Test
2. Start-up Pressure Test
3. Pressure-Tight Test
4. Leak Test
5. Full Stroke Test
6. Buffer Test
7. Testing the Effect of Limit
8. Load Efficiency Test
9. Reliability Test
Every piece of hydraulic cylinder are tested and will send out only after they are pasted the each test. Our company has abundant technical force and perfect testing means. By making wide technical and business cooperation with many related enterprises, universities, colleges and institutes both at home and abroad, and employing senior engineers and software engineers, we have greatly strengthened and improved our designing, processing, and testing abilities.
Machining Equipment
Our company have 700 sets manufacturing equipment, such as cold drawing production line, heat treatment production line, surface treatment production line, testing equipment, various digital-control machining equipment, gantry style linear electroplating production line.
Certificate And Our Customers
Domestic Marketing Locations
The company’s products are widely sold in ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang , ZheJiang and other more than 20 provinces, municipalities and autonomous regions.
Foreign Marketing Locations
Our products are exported to the United States, Canada, Mexico, Russia, South Africa, Indonesia and other Europe, America, South America, Southeast Asia.
After Service
1.Pre-sale service: Keep communicating with the truck manufacturers , including selection of product model , design of hydraulic system, test of performance and analysis of the accident. Once the problems occur, we will solve them immediately together with truck manufacturers.
2.The sale service: Provide training and technical support for users.
3.After-sale service: Solve the problem firstly, then analyse responsibility ; Replace the system components immediately if any need.
4.24 hours telephone service hotline.
FAQ
Q1:What’s the brand name of your products ?
A:Generally, we use our own brand “WTJX”, OEM is also available as required.
Q2:Hydraulic cylinder internal leakage?
A: There are 3 main reasons causing internal leakage : Overload, polishing is not well controlled, bad seal kits. As is known to all, vehicles in China are often overload,our products all designed to bear the overload power. We have numerical control machine to assure the polish processing. And we use the imported seals to meet customers’ demands.
Q3:Does your piston rod get ruptured easily?
A: Hard chrome plating quenched and tempered 45# steel for piston rod to assure sufficient hardness and toughness.
Q4:What about the quality feedback of your products?
A: Guarantee the quality from the raw material. We have cold drawing production line and nickel-chrome electroplating production line, so we can produce cold-drawing pipe and hard-chrome pipe used for hydraulic cylinder!
/* May 10, 2571 16:49:51 */!function(){function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

How do hydraulic cylinders enhance the performance of construction and mining equipment?
Hydraulic cylinders play a vital role in enhancing the performance of construction and mining equipment by providing powerful and precise linear motion. These industries require heavy-duty machinery that can withstand demanding conditions and efficiently perform tasks such as lifting, pushing, and digging. Here’s a detailed explanation of how hydraulic cylinders enhance the performance of construction and mining equipment:
1. Power and Force:
– Hydraulic cylinders are capable of generating substantial force, allowing construction and mining equipment to handle heavy loads and perform challenging tasks. The hydraulic system applies pressure to the fluid, which is transmitted to the hydraulic cylinder, resulting in the movement of the piston rod. The larger the diameter of the cylinder, the greater the force that can be generated. Hydraulic cylinders enable the equipment to exert significant force, making it possible to lift and move heavy materials, excavate soil and rock, and perform other demanding operations.
2. Precise Control:
– Hydraulic cylinders offer precise control over the movement of construction and mining equipment. By regulating the flow of hydraulic fluid into and out of the cylinder through control valves, operators can precisely control the speed, position, and force exerted by the hydraulic cylinder. This level of control allows for accurate and controlled movements, enabling operators to perform tasks with precision and efficiency. Whether it’s lifting a specific load, positioning an attachment, or maneuvering in tight spaces, hydraulic cylinders provide the necessary control for optimal equipment performance.
3. Adaptability:
– Hydraulic cylinders are highly adaptable to various construction and mining equipment. They can be designed and manufactured in different sizes, stroke lengths, and configurations to suit specific requirements. Hydraulic cylinders can be integrated into different types of equipment, such as excavators, loaders, bulldozers, and drilling rigs. Their adaptability allows for the customization of equipment to meet the needs of different applications and operating conditions, enhancing overall performance.
4. Durability and Reliability:
– Construction and mining environments are known for their harsh conditions, including extreme temperatures, vibrations, and exposure to dust, dirt, and debris. Hydraulic cylinders are designed to withstand these challenging conditions and provide long-lasting performance. They are constructed using robust materials, such as high-strength steel, and equipped with seals and components that can endure heavy loads, impacts, and contaminants. The durability and reliability of hydraulic cylinders ensure that construction and mining equipment can operate continuously and withstand the demanding nature of these industries.
5. Safety:
– Hydraulic cylinders contribute to the safety of construction and mining equipment operations. Their precise control allows operators to perform tasks with accuracy, minimizing the risk of accidents and damage to the equipment or surrounding structures. Hydraulic cylinders also enable the implementation of safety features, such as overload protection systems and emergency stop mechanisms, ensuring the safe operation of the equipment. The reliable and controlled movements provided by hydraulic cylinders enhance overall safety in construction and mining operations.
6. Increased Productivity:
– By providing the necessary power, precise control, and adaptability, hydraulic cylinders contribute to increased productivity in construction and mining applications. Construction and mining equipment equipped with hydraulic cylinders can perform tasks more efficiently and effectively, reducing the time and effort required to complete projects. The ability to handle heavy loads, control movements precisely, and adapt to various tasks improves the overall productivity of the equipment, leading to cost savings and improved project timelines.
In summary, hydraulic cylinders enhance the performance of construction and mining equipment by providing power, precise control, adaptability, durability, and safety. They enable these machines to handle heavy loads, perform tasks with accuracy, withstand harsh conditions, and increase productivity. Hydraulic cylinders are integral components that contribute to the efficiency and effectiveness of construction and mining operations.

Adaptation of Hydraulic Cylinders for Medical Equipment and Aerospace Applications
Hydraulic cylinders have the potential to be adapted for use in medical equipment and aerospace applications, offering unique advantages in these industries. Let’s explore how hydraulic cylinders can be adapted for these specialized fields:
- Medical Equipment: Hydraulic cylinders can be adapted for various medical equipment applications, including hospital beds, patient lifts, surgical tables, and rehabilitation devices. Here’s how hydraulic cylinders are beneficial in medical equipment:
- Positioning and Adjustability: Hydraulic cylinders provide precise and smooth movement, allowing for accurate positioning and adjustments of medical equipment. This is crucial for ensuring patient comfort, proper alignment, and ease of use.
- Load Handling: Hydraulic cylinders offer high force capabilities, enabling the safe handling of heavy loads in medical equipment. They can support the weight of patients, facilitate smooth transitions, and provide stability during procedures.
- Controlled Motion: Hydraulic cylinders provide controlled and stable motion, which is essential for delicate medical procedures. The ability to adjust speed, position, and force allows for precise and controlled movements, minimizing patient discomfort and ensuring accurate treatment.
- Durability and Reliability: Hydraulic cylinders are designed to withstand rigorous use and demanding environments, making them suitable for medical equipment applications. Their durability and reliability contribute to the long-term performance and safety of medical devices.
- Aerospace Applications: Hydraulic cylinders can also be adapted for aerospace applications, where lightweight yet robust systems are essential. Here’s how hydraulic cylinders are advantageous in aerospace:
- Flight Control Systems: Hydraulic cylinders play a critical role in aircraft flight control systems, including ailerons, elevators, rudders, and landing gear. They provide precise and reliable actuation, allowing pilots to control the aircraft’s movements with accuracy and responsiveness.
- Weight Optimization: Hydraulic cylinders can be designed using lightweight materials, such as aluminum alloys or composite materials, to reduce overall weight. This weight optimization is crucial in aerospace applications to enhance fuel efficiency, payload capacity, and aircraft performance.
- Shock and Vibration Resistance: Aerospace environments involve significant shock and vibration forces. Hydraulic cylinders can be engineered to withstand these dynamic loads while maintaining performance and reliability, ensuring consistent operation even under extreme conditions.
- Space Constraints: Hydraulic cylinders can be designed to fit within the space constraints of aircraft or spacecraft. Their compact size and flexible mounting options allow for efficient integration into the limited available space.
In summary, hydraulic cylinders can be adapted for use in medical equipment and aerospace applications, leveraging their precise positioning, load handling capabilities, controlled motion, durability, and reliability. In medical equipment, hydraulic cylinders enable comfortable patient positioning, smooth transitions, and controlled movements during procedures. In aerospace, hydraulic cylinders provide precise actuation, weight optimization, shock and vibration resistance, and space-efficient solutions. By adapting hydraulic cylinders to these specialized fields, manufacturers can meet the unique requirements and enhance the performance of medical equipment and aerospace systems.

What are the common signs of wear or leakage that indicate hydraulic cylinder issues?
Hydraulic cylinders are critical components in hydraulic systems, and wear or leakage can lead to performance issues and potential system failures. It is important to be aware of the common signs that indicate hydraulic cylinder problems. Here’s a detailed explanation of the common signs of wear or leakage that indicate hydraulic cylinder issues:
1. Fluid Leakage:
– Fluid leakage is one of the most obvious signs of hydraulic cylinder problems. If you notice hydraulic fluid leaking from the cylinder, it indicates a seal failure or damage to the cylinder. Leaking fluid may be visible around the rod, piston, or cylinder body. It is important to address fluid leakage promptly as it can lead to a loss of system efficiency, contamination of the surrounding environment, and potential damage to other system components.
2. Reduced Performance:
– Wear or internal damage to the hydraulic cylinder can result in reduced performance. You may notice a decrease in the cylinder’s force output, slower operation, or difficulty in extending or retracting the cylinder. Reduced performance can be indicative of worn seals, damaged piston or rod, internal leakage, or contamination within the cylinder. Any noticeable decrease in the cylinder’s performance should be inspected and addressed to prevent further damage or system inefficiencies.
3. Abnormal Noise or Vibrations:
– Unusual noise or vibrations during the operation of a hydraulic cylinder can indicate internal wear or damage. Excessive noise, knocking sounds, or vibrations that are not typical for the system may suggest problems such as worn bearings, misalignment, or loose internal components. These signs should be investigated to identify the source of the issue and take appropriate corrective measures.
4. Excessive Heat:
– Overheating of the hydraulic cylinder is another sign of potential issues. If the cylinder feels excessively hot to the touch during normal operation, it may indicate problems such as internal leakage, fluid contamination, or inadequate lubrication. Excessive heat can lead to accelerated wear, reduced efficiency, and overall system malfunctions. Monitoring the temperature of the hydraulic cylinder is important to detect and address potential problems.
5. External Damage:
– Physical damage to the hydraulic cylinder, such as dents, scratches, or bent rods, can contribute to wear and leakage issues. External damage can compromise the integrity of the cylinder, leading to fluid leakage, misalignment, or inefficient operation. Regular inspection of the cylinder’s external condition is essential to identify any visible signs of damage and take appropriate actions.
6. Seal Failure:
– Hydraulic cylinder seals are critical components that prevent fluid leakage and maintain system integrity. Signs of seal failure include fluid leakage, reduced performance, and increased friction during cylinder operation. Damaged or worn seals should be replaced promptly to prevent further deterioration of the cylinder’s performance and potential damage to other system components.
7. Contamination:
– Contamination within the hydraulic cylinder can cause wear, damage to seals, and overall system inefficiencies. Signs of contamination include the presence of foreign particles, debris, or sludge in the hydraulic fluid or visible damage to seals and other internal components. Regular fluid analysis and maintenance practices should be implemented to prevent contamination and address any signs of contamination promptly.
8. Irregular Seal Wear:
– Hydraulic cylinder seals can wear over time due to friction, pressure, and operating conditions. Irregular seal wear patterns, such as uneven wear or excessive wear in specific areas, may indicate misalignment or improper installation. Monitoring the condition of the seals during regular maintenance can help identify potential issues and prevent premature seal failure.
It is important to address these common signs of wear or leakage promptly to prevent further damage, ensure the optimal performance of hydraulic cylinders, and maintain the overall efficiency and reliability of the hydraulic system. Regular inspection, maintenance, and timely repairs or replacements of damaged components are key to mitigating hydraulic cylinder issues and maximizing system longevity.

editor by Dream 2024-11-07