Product Description
Product Description
*All DIMENSIONS ARE INCHES.
| BORE | ROD | PORTS | A | B | C | D | E | F | G | H | I |
| 1.50" | 1.00" | SAE 4 | 8.00" | 1.25" | 0.764" | 2.913" | 2.25" | 2.00" | 0.929" | 2.129" | 0.625" |
| 2.00" | 1.25" | SAE 6 | 8.00" | 1.50" | 1.015" | 2.844" | 2.75" | 2.25" | 0.894" | 1.937" | 0.750" |
| 2.50" | 1.50" | SAE 8 | 8.00" | 1.50" | 1.015" | 2.654" | 3.25" | 2.25" | 0.894" | 1.925" | 0.750" |
| 3.00" | 1.50" | SAE 8 | 8.00" | 1.50" | 1.015" | 2.301" | 3.75" | 2.25" | 1.012" | 2.244" | 0.750" |
| 3.50" | 1.75" | SAE 8 | 10.00" | 2.00" | 1.265" | 3.980" | 4.25" | 2.25" | 1.012" | 2.248" | 1.000" |
| 4.00" | 2.00" | SAE 8 | 10.00" | 2.25" | 1.515" | 3.934" | 4.75" | 2.50" | 1.012" | 2.244" | 1.126" |
| 5.00" | 2.50" | 3/4NPT | 11.00" | 2.50" | 1.515" | 2.750" | 5.75" | 4.00" | 1.500" | 2.272" | 0.787" |
The LDWT 3000PSI Welded Tube Cylinders were designed for demanding applications that suitable used in any industry. Each cylinder undergoes rigorous testing for over 50,000 circles with 3000PSI equivalent load. ood reliabie quality ensures 2 Years Limited Warranty.
*All numbers given are nominal values and should be used for reference only. All product specifications are subject to change without prior notice.
ROD:Steel 1045, rod with 28-32 HRC hardness, 0.001"chrome thickness ASTM B117-18 salt spray testing up to 96 hours.
TUBE: Precision honed steel for extended seal life.
GLAND: Ductile Iron ASTM A536 65-45-12.
PISTON: Ductile Iron ASTM A536 65-45-12 for increased durability.
END/FRONT MOUNTS: Steel casting cross tube with grease zerk.
PIN: Steel, zinc plated.
PORTS: Standard SAE.(NPT Available CHINAMFG request).
SEALS: Top quality, Hallite Brand Seals.
CONSTRUCTIN: Heavy Duty welded construction.
PAINT: High quality paint for corrosion resistance up to 360 hours.Standard color is Black. Custom colors are available.
Hydraulic Cylinder Product Selling Points:
1. High Durability: The hydraulic cylinder is designed to withstand high pressure and heavy loads, ensuring long-lasting performance in even the most demanding applications.
2. Customizable Options: Our hydraulic cylinders can be customized to fit your specific needs and requirements, including bore sizes, stroke lengths, and mounting options.
3. Efficient Operation: The hydraulic cylinder provides efficient power transfer, allowing for smooth and precise movement of heavy equipment and machinery.
4. Low Maintenance: The hydraulic cylinder is designed for easy maintenance and repair, with minimal downtime required for servicing.
5. Wide Range of Applications: Our hydraulic cylinders can be used in a variety of industries, including construction, agriculture, mining, and transportation.
6. Quality Assurance: Our hydraulic cylinders are manufactured to strict quality standards, ensuring reliable and consistent performance.
7. Competitive Pricing: We offer competitive pricing on our hydraulic cylinders, making them a cost-effective solution for your equipment needs.
In summary, our hydraulic cylinders provide high durability, customizable options, efficient operation, low maintenance, a wide range of applications, quality assurance, and competitive pricing, making them an excellent choice for your equipment needs.
Detailed Photos
About Us
HangZhou LD Cylinder Co., Ltd. was founded in 1988, LD covers an area of 380,000sq.ft with more than 150 workers.Through the construction of modern factories, enterprises have realized the transformation from traditional manufacturing to a new model of intelligent manufacturing.LD application of highly intelligent system software, advanced process flow, automated production lines, innovative technology research and development design, It makes LD developed into a high-tech professional production of hydraulic cylinder Company.
FAQ
Q1. What is LD product's quality assurance?
A1:100% inspection for each product before shipping with inspection rereport for tracking.
Q2: How long is the warranty on LD products?
A2: The warranty is 2 years for general products since the date of shipment.
Q3: How LD deal with the quality problem during warranty period?
A3:
1. LD will take the corresponding cost caused by customer local reparing.
2. LD will provide the product by free if the repair cost is higher than the product value, but the freight involved shall be borne by the customer side.
Q4: How to ensure the order can be shipped on time?
A4: LD will send the "production schedule" every week after receiving customers' orders. If any delays, LD will inform customers 3 weeks in advance, so as to facilitate the customer to arrange the schedule.
Q5: Does LD offer delivery service?
A5: Yes. LD has deep cooperation with logistics companies all over the world to provide customers with quick and convenient "Door-to-Door services",including sea, air and express.
Q6: How LD control the product quality?
A6:
1. Raw materials: We will test the material of each batch of raw materials we receive, and the piston rod will be tested with salt spray. This is to ensure that the material of our products meets the requirements at the beginning.
2. Processing: We have the leading machining equipment, and obtained ISO9001 certification.
3. Welding: Our factory is equipped with welding robots, and has obtained the AWS certification.
4. Assembly pressure test: 100% testing with OQC report for cHangZhou. The seals we use are: Hallite, Aston and Gapi
| Certification: | ISO9001 |
|---|---|
| Pressure: | Low Pressure |
| Work Temperature: | High Temperature |
| Acting Way: | Double Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Switching Type |
| Samples: |
US$ 299/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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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.
Advancements in Hydraulic Cylinder Technology Improving Corrosion Resistance
Advancements in hydraulic cylinder technology have led to significant improvements in corrosion resistance. Corrosion is a major concern in hydraulic systems, especially in environments where cylinders are exposed to moisture, chemicals, or corrosive agents. These advancements aim to enhance the durability and longevity of hydraulic cylinders. Let's explore some of the key advancements in hydraulic cylinder technology that have improved corrosion resistance:
- Corrosion-Resistant Materials: The use of corrosion-resistant materials is a fundamental advancement in hydraulic cylinder technology. Stainless steel, for example, offers excellent resistance to corrosion, making it a popular choice in marine, offshore, and other corrosive environments. Additionally, advancements in metallurgy have led to the development of specialized alloys and coatings that provide enhanced corrosion resistance, extending the lifespan of hydraulic cylinders.
- Surface Treatments and Coatings: Various surface treatments and coatings have been developed to protect hydraulic cylinders from corrosion. These treatments can include electroplating, galvanizing, powder coating, and specialized corrosion-resistant coatings. These coatings create a barrier between the cylinder surface and corrosive elements, preventing direct contact and inhibiting the onset of corrosion. The selection of appropriate coatings depends on the specific application and environmental conditions.
- Sealing Technology: Effective sealing systems are crucial in preventing water, moisture, and contaminants from entering the cylinder and causing corrosion. Advancements in sealing technology have led to the development of high-quality seals and advanced sealing designs that offer superior resistance to corrosion. These seals are typically made from materials specifically engineered to withstand corrosive environments, ensuring long-term sealing performance and minimizing the risk of corrosion-related issues.
- Improved Surface Finishes: The surface finish of hydraulic cylinders plays a role in their resistance to corrosion. Advancements in machining and polishing techniques have allowed for smoother and more uniform surface finishes. Smoother surfaces reduce the likelihood of corrosion initiation and make it easier to clean and maintain hydraulic cylinders. Additionally, specialized finishes, such as passivation or chemical treatments, can be applied to further enhance corrosion resistance.
- Environmental Protection Features: Hydraulic cylinders can be equipped with additional features to protect against corrosion. These features may include protective boots, bellows, or shields that guard vulnerable areas from exposure to corrosive agents. By incorporating these protective elements into the design, hydraulic cylinders can withstand harsh environments and minimize the risk of corrosion-related damage.
In summary, advancements in hydraulic cylinder technology have significantly improved corrosion resistance. The use of corrosion-resistant materials, advanced surface treatments and coatings, innovative sealing technology, improved surface finishes, and the incorporation of environmental protection features have all contributed to enhanced durability and longevity of hydraulic cylinders in corrosive environments. These advancements ensure reliable performance and reduce the maintenance and replacement costs associated with corrosion-related issues.
How do hydraulic cylinders handle variations in load and pressure during operation?
Hydraulic cylinders are designed to handle variations in load and pressure during operation, making them versatile and efficient in various applications. Hydraulic systems use the principle of transmitting force through incompressible fluid to generate linear motion. Here's a detailed explanation of how hydraulic cylinders handle variations in load and pressure:
1. Load Handling:
- Hydraulic cylinders are capable of handling different loads by utilizing the principle of Pascal's law. According to Pascal's law, when pressure is applied to a fluid in a confined space, the pressure is transmitted equally in all directions. In a hydraulic cylinder, the force applied to the piston results in an equal force output at the rod end of the cylinder. The size of the piston and the pressure exerted determine the force generated by the cylinder. Therefore, hydraulic cylinders can handle a wide range of loads by adjusting the pressure applied to the fluid.
2. Pressure Compensation:
- Hydraulic systems incorporate pressure compensation mechanisms to handle variations in pressure during operation. Pressure compensating valves or regulators are often used to maintain a consistent pressure in the hydraulic system, regardless of load changes. These valves automatically adjust the flow rate or pressure to ensure stable and controlled operation of the hydraulic cylinder. By compensating for pressure variations, hydraulic cylinders can maintain a consistent force output and prevent damage or instability due to excessive pressure.
3. Control Valves:
- Control valves play a crucial role in managing variations in pressure and load during hydraulic cylinder operation. Directional control valves, such as spool valves or poppet valves, control the flow of hydraulic fluid into and out of the cylinder, enabling precise control of the cylinder's extension and retraction. By adjusting the position of the control valve, the speed and force exerted by the hydraulic cylinder can be regulated to match the load and pressure requirements of the application. Control valves allow for efficient handling of variations in load and pressure by providing fine-tuned control over the hydraulic system.
4. Accumulators:
- Hydraulic accumulators are often used to handle fluctuations in pressure and load. Accumulators store hydraulic fluid under pressure, which can be released or absorbed as needed to compensate for sudden changes in load or pressure. When the load on the hydraulic cylinder decreases, the accumulator releases stored fluid to maintain pressure and prevent pressure spikes. Conversely, when the load on the cylinder increases, the accumulator absorbs excess fluid to maintain system stability. By utilizing accumulators, hydraulic cylinders can effectively handle variations in load and pressure, ensuring smooth and controlled operation.
5. Feedback and Control Systems:
- Advanced hydraulic systems may incorporate feedback and control systems to monitor and adjust the operation of hydraulic cylinders in real-time. Position sensors or pressure sensors provide feedback on the cylinder's position, force, and pressure, allowing the control system to make continuous adjustments to optimize performance. These systems can automatically adapt to variations in load and pressure, ensuring precise control and efficient operation of the hydraulic cylinder.
6. Design Considerations:
- Proper design considerations, such as selecting the appropriate cylinder size, piston diameter, and rod diameter, are essential for handling variations in load and pressure. The design should account for the maximum anticipated load and pressure conditions to ensure the hydraulic cylinder operates within its specified range. Additionally, the selection of suitable seals, materials, and components that can withstand the anticipated load and pressure variations is crucial for maintaining the reliability and longevity of the hydraulic cylinder.
By utilizing the principles of hydraulic systems, incorporating pressure compensation mechanisms, employing control valves and accumulators, and implementing feedback and control systems, hydraulic cylinders can effectively handle variations in load and pressure during operation. These features and design considerations allow hydraulic cylinders to adapt and perform optimally in a wide range of applications and operating conditions.
editor by CX 2023-11-27