Product Description
Company Profile
Wantong is a professional hydraulic cylinder manufacturer in China, specialized in the design, R&D and manufacture of hydraulic machinery.We have developed unique and advanced equipment by ourselves to insure first-class quality! All production steps are finished in the same factory, and this guarantees good quality and short lead time. Our main products are hydraulic cylinders for dump trucks, coal mining machinery, tippers, engineering machinery .We have a professional research and development team and cooperate with many universities. Advanced equipment, excellent talents and strict management help us develop first-class products.We have CHINAMFG and advanced production equipments including cold drawing line, heat treatment line, surface treatment line, testing machines and various CNC machines.
Product Description
Product advantage
1.The North American advanced processing technology is adopted to ensure the stable performance.
2.High quality alloy seamless steel pipe are adopted to keep big lifting capacity and light weight;
3.The application of imperial size makes it easy to replace the seals and other accessories;
4.Superior chrome-plating technology improves the corrosion resistance and hardness of cylinders;
5.The world famous brands of seals such as HALLITE, CHINAMFG and NOK ensure the sealing performance;
Model | The first stage rod diameter | Stroke | Closed length | Open length |
WTPK 3TG F5*72 | 5" | 1829mm | 945mm | 2773mm |
WTPK 3TG F5*84 | 5" | 2134mm | 1046mm | 3180mm |
WTPK 3TG F5*107 | 5" | 2732mm | 1229mm | 3961mm |
WTPK 3TG F5*126 | 5" | 3216mm | 1386mm | 4602mm |
WTPK 3TG F6*86 | 6" | 3216mm | 1038mm | 3241mm |
WTPK 3TG F6*104 | 6" | 2640mm | 1194mm | 3834mm |
WTPK 3TG F6*107 | 6" | 2732mm | 1289mm | 3961mm |
WTPK 3TG F6*111 | 6" | 2819mm | 1268mm | 4087mm |
WTPK 3TG F6*120 | 6" | 3048mm | 1359mm | 4407mm |
WTPK 3TG F6*126 | 6" | 3208mm | 1386mm | 4594mm |
WTPK 3TG F6*140 | 6" | 3562mm | 1519mm | 5081mm |
WTPK 4TG F6*135 | 6" | 3429mm | 1199mm | 4628mm |
WTPK 4TG F6*156 | 6" | 3962mm | 1362mm | 5324mm |
WTPK 3TG F7*110 | 7" | 2810mm | 1271mm | 4081mm |
WTPK 3TG F7*120 | 7" | 3048mm | 1349mm | 4397mm |
WTPK 3TG F7*124 | 7" | 3172mm | 1392mm | 4564mm |
WTPK 3TG F7*129 | 7" | 3277mm | 1435mm | 4712mm |
WTPK 3TG F7*140 | 7" | 3567mm | 1524mm | 5091mm |
WTPK 3TG F7*150 | 7" | 3810mm | 1613mm | 5423mm |
WTPK 4TG F7*120 | 7" | 3048mm | 1349mm | 4168mm |
WTPK 4TG F7*135 | 7" | 3429mm | 1230mm | 4659mm |
WTPK 4TG F7*140 | 7" | 3556mm | 1263mm | 4819mm |
WTPK 4TG F7*156 | 7" | 3962mm | 1365mm | 5327mm |
WTPK 4TG F7*161 | 7" | 4108mm | 1405mm | 5513mm |
WTPK 4TG F7*167 | 7" | 4242mm | 1432mm | 5674mm |
WTPK 4TG F7*180 | 7" | 4572mm | 1552mm | 6124mm |
WTPK 4TG F8*148 | 8" | 3753mm | 1308mm | 5061mm |
WTPK 4TG F8*156 | 8" | 3962mm | 1365mm | 5327mm |
WTPK 4TG F8*161 | 8" | 4064mm | 1416mm | 5480mm |
WTPK 4TG F8*170 | 8" | 4318mm | 1454mm | 5481mm |
WTPK 4TG F8*180 | 8" | 4572mm | 1518mm | 6090mm |
WTPK 5TG F8*170 | 8" | 4318mm | 1267mm | 5585mm |
WTPK 5TG F8*190 | 8" | 4800mm | 1387mm | 6188mm |
WTPK 5TG F8*220 | 8" | 5588mm | 1524mm | 7122mm |
WTPK 5TG F8*235 | 8" | 5944mm | 1641mm | 7585mm |
WTPK 5TG F8*250 | 8" | 6325mm | 1743mm | 8068mm |
WTPK 5TG F9*265 | 9" | 6731mm | 1844mm | 8575mm |
WTPK 5TG F9*280 | 9" | 7112mm | 1997mm | 9109mm |
WTPK 5TG F9*300 | 9" | 7620mm | 2007mm | 9627mm |
WTPK 5TG F9*320 | 9" | 8129mm | 2108mm | 9628mm |
WTPK 5TG F9*340 | 9" | 8636mm | 2210mm | 10846mm |
Specification
Item | Value |
Product Name | PK Type Hydraulic Cylinder |
Outer Tube Diameter | 178mm |
Inner Tube Diameter | 168mm |
Rod Diameter | 148mm |
Maximum Stroke | 3429mm |
Weight | 150kg |
Warranty | 14 Months From Production Time |
Working Pressure | 2000 psi |
Place of Origin | ZheJiang ,China |
Color | Client's Request |
Production Equipment
The company has more than 1000 sets of machinery processing,automatic precision processing, cold drawing, electroplating, heat treatment, automatic painting system, automatic assembly control system, automatic welding and other equipment. With the processing of cylinder diameter 630mm, length of 6 CHINAMFG within the cylinder of the whole process processing capacity.
Quality Control
>All specification is designed by professional engineer.
>All material is high quality-Seal kits were purchased from USA, Japan, UK and Sweden.
>All material is processed by skilled workers and advanced CNC lathe.
>All cylinders are 100% tested before package to ensure every cylinder is qualified for its purpose.
>Package is air cushion film for each cylinder and steel case for all cylinders to ensure goods can arrive at customer safely.
>14 months' warranty and long time track service is offered to solve any problems you meet after sale.
Quality Inspection
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. Every piece of hydraulic cylinder are tested and will send out only after they are pasted the each test.
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
Packing & Delivery
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Our 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.
Our Honor
Our Customer
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.
FAQ
Q1. What are the same aspects of your cylinder with CHINAMFG cylinder?
A: Same inside structure.
Same outside dimensions and same mounting sizes. It can be interchangeable with Hyva's
Q2. Compared with CHINAMFG cylinder, what are your cylinder advantages?
A: 1. Rod are chrome plated.
2. Tubes are quenched and tempered.
3. Tube inner hole goes through deep hole boring machine processing. Surface roughness is 0.4Ra and circular degree is 0.571.
4. Good quality yet lower price.
Q3: Are you a manufacture or a trade company?
A: Manufacture, we are the leader manufacturer of hydraulic industry in China with over 20 years' experience and technology accumulation. With strong technical team we could solve any annoyance of you.
Q4: Do you have quality control system?
A: Yes, The quality management system introduced is: ISO/TS 16949:2009-certified by NQA and IATF cert.
Q5: How can I get a booklet and buy a cylinder from you?
A: Very easy! Just leave me a message or email or call me directly, let me know you are interesting in our products. I will talk with you for the details soon!
Q6: Can you tell me the price for the cylinder?
A: 1. Please advice the drawing with technical requirement.
2. Please advice the model No. after you check our booklet.
3. Please advice the tipping capacity, number of stages, closed length, mounting type and size.
4. Please also help advice the quantities, this is very important.
Q7: Do your products come with a warranty?
A: Yes, we have 14 months from production time. In this time, if the quality problem we will free repair for you.
Q8: Hydraulic cylinder internal leakage?
A: 3 main reasons causing internal leakage: overload, polishing bad controlled, cheap seal kits. As is known to all, vehicles in China are often overloaded, our products all designed to bear the overload power. Advanced equipment could assure the polish processing. And we use the imported/TOP brand seals to meet customers' requirement.
Q9: What about the quality feedback of your products?
A: WE HAVE NEVER RECEIVED EVEN ONCE QUALITY COMPLAINT FOR MANY YEARS OF INTERNATIONAL BUSINESS.
Q10: Can you help me to install or recommend what kind of hydraulic cylinder or power pack should I use for specific machine?
A: Yes, we have 25 experienced engineers who are always ready to help you. If you do not know what kind of hydraulic cylinders should be used in your machine, please just contact us, our engineers will design the exact products match your need.
Q11: What is your main payment term?
A: T/T, L/C, Western Union, Paypal. Either is available.
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Can telescopic cylinders be used in construction equipment like cranes?
Yes, telescopic cylinders are commonly used in construction equipment, including cranes. Here's a detailed explanation:
Role in crane operation:
Telescopic cylinders play a critical role in the operation of cranes by enabling the extension and retraction of crane booms or arms. The telescopic cylinder is typically located at the base of the boom and is responsible for extending or retracting the boom sections, allowing the crane to reach different heights and distances.
Extension and retraction mechanism:
The telescopic cylinder in a crane consists of multiple stages or sleeves that retract inside one another. This nested design allows for compact storage when the boom is retracted, minimizing the overall length of the crane. When the cylinder extends, the stages slide out, increasing the length of the boom and providing the necessary reach. The synchronized extension and retraction of the stages are facilitated by the hydraulic control system.
Hydraulic control system:
The hydraulic control system in cranes is responsible for the precise and controlled extension and retraction of telescopic cylinders. It regulates the flow of hydraulic fluid to each stage of the cylinder, ensuring synchronized movement. By adjusting the flow rate, the operator can control the speed of extension and retraction, allowing for smooth and controlled operation of the crane.
Load handling capabilities:
Telescopic cylinders in cranes are designed to handle significant loads. They provide the necessary lifting force to support heavy loads at various boom lengths. The cylinder's bore size, rod diameter, and overall construction are engineered to withstand the forces exerted during lifting and to deliver the required lifting capacities.
Variety of crane types:
Telescopic cylinders are utilized in various types of cranes, including mobile cranes, truck-mounted cranes, and crawler cranes. These cranes are widely used in construction sites, infrastructure projects, and other lifting and material handling applications. The versatility of telescopic cylinders allows them to be integrated into different crane designs and configurations.
Advantages of telescopic cylinders in cranes:
Telescopic cylinders offer several advantages in crane applications. These include:
- Compactness: Telescopic cylinders enable the boom to be retracted to a compact size, making it easier to transport and maneuver the crane in confined spaces.
- Reach and height capabilities: The telescopic design allows the crane to achieve extended reach and height, enabling it to access elevated work areas or reach over obstacles.
- Efficiency: The controlled extension and retraction of telescopic cylinders contribute to efficient operation, allowing the crane to adjust its boom length quickly and precisely.
- Stability: Telescopic cylinders provide stability to the crane by supporting the boom and load, ensuring safe lifting and lowering of heavy objects.
Overall, telescopic cylinders are integral components of construction equipment like cranes. They enable the extension and retraction of crane booms, contribute to efficient and controlled operation, and enhance the lifting capabilities of cranes in various construction and material handling tasks.
It's important to consult the crane manufacturer's documentation and guidelines for specific information on the telescopic cylinder's capabilities, maintenance requirements, and safety considerations.
Can telescopic cylinders be used in forestry equipment for tree handling?
Yes, telescopic cylinders are commonly used in forestry equipment for tree handling tasks. Here's a detailed explanation:
Tree felling and extraction:
Telescopic cylinders play a vital role in tree felling and extraction operations. They are utilized in equipment such as feller bunchers, harvesters, and forwarders. Telescopic cylinders provide the necessary force to cut down trees and extract them from the forest. The cylinders are used in combination with cutting heads, grapples, or clamps to grip, hold, and manipulate trees during the felling and extraction processes.
Boom and arm extension:
In forestry equipment, telescopic cylinders are employed to extend the booms and arms of machinery. This extension capability allows operators to reach trees located at various distances and heights, facilitating efficient tree handling. Telescopic cylinders enable the equipment to adapt to different tree sizes and positions, enhancing productivity and reducing manual labor.
Precise control:
Telescopic cylinders provide precise control over tree handling movements. The hydraulic control system allows operators to extend and retract the cylinders with accuracy, enabling controlled positioning of trees during felling, extraction, or stacking. This precise control is crucial for ensuring operator safety, preventing damage to the equipment or surrounding environment, and optimizing operational efficiency.
Load handling and stacking:
Telescopic cylinders support load handling and stacking operations in forestry equipment. They provide the necessary lifting force to handle tree logs and facilitate stacking for transportation or processing. The cylinders work in conjunction with grapples, forks, or other attachments to securely grip and manipulate tree logs during loading, unloading, or stacking activities.
Stability and balance:
Telescopic cylinders contribute to the stability and balance of forestry equipment during tree handling tasks. The controlled extension and retraction of the cylinders help maintain the proper weight distribution and prevent tipping or imbalance when handling heavy tree logs. This ensures the safety of operators and equipment in challenging forestry environments.
Advantages of telescopic cylinders in forestry equipment:
Telescopic cylinders offer several advantages in tree handling applications:
- Enhanced reach: Telescopic cylinders enable extended reach, allowing operators to access trees at various distances and heights.
- Precise control: The hydraulic control system provides precise control over tree handling movements, ensuring accurate positioning and manipulation.
- Efficient load handling: Telescopic cylinders provide the necessary force for lifting, holding, and stacking tree logs, improving efficiency in forestry operations.
- Adaptability: The extension capability of telescopic cylinders allows for adaptation to different tree sizes and positions, enhancing versatility in tree handling tasks.
- Stability and safety: Telescopic cylinders contribute to equipment stability and operator safety by maintaining proper weight distribution during tree handling activities.
Overall, telescopic cylinders are widely used in forestry equipment for tree handling tasks, offering extended reach, precise control, efficient load handling, adaptability, and stability. They enhance the productivity, safety, and efficiency of forestry operations.
It's important to consult the equipment manufacturer's documentation and guidelines for specific information on the integration, operation, and maintenance of telescopic cylinders in forestry equipment.
What is a telescopic cylinder and how does it work?
A telescopic cylinder is a type of hydraulic cylinder that consists of multiple nested stages or sections that can extend and retract, similar to a telescope. Here's a detailed explanation:
A telescopic cylinder is primarily used when a long stroke length is required while maintaining a compact retracted length. It is commonly used in applications such as dump trucks, cranes, aerial platforms, and other equipment that require extended reach or height adjustment. Here's how a telescopic cylinder works:
- Structure: A telescopic cylinder consists of a series of cylindrical stages or sleeves that are progressively nested inside one another. These stages are typically made of high-strength steel or aluminum alloy. The number of stages can vary depending on the specific design and application.
- Extension and Retraction: When the telescopic cylinder is in the retracted position, the stages are nested inside one another, with the smallest stage located at the base. To extend the cylinder, hydraulic fluid is supplied to the base of the cylinder, creating pressure that pushes the smallest stage outwards. As the smallest stage extends, it exposes the next larger stage, which is then pushed out by the hydraulic pressure. This process continues until all the stages have extended, resulting in a longer overall stroke length.
- Locking Mechanism: Telescopic cylinders often incorporate a locking mechanism to secure the extended stages in position. This mechanism ensures stability and prevents unintentional retraction of the cylinder under load. The locking mechanism can be mechanical, hydraulic, or a combination of both, depending on the design and application requirements.
- Retraction: To retract the telescopic cylinder, hydraulic fluid is supplied to the opposite side of the cylinder, typically to the largest stage. The hydraulic pressure acts on the largest stage, retracting it first. As each stage retracts, it nests inside the next smaller stage until the cylinder is fully retracted to its original compact length.
- Control and Stability: The extension and retraction of a telescopic cylinder are controlled by a hydraulic system. By regulating the flow and pressure of the hydraulic fluid, operators can precisely control the extension and retraction speed of the cylinder. The nested design of the stages provides stability and load-bearing capacity, allowing the telescopic cylinder to handle substantial loads.
The use of telescopic cylinders offers several benefits:
- Extended Stroke Length: Telescopic cylinders provide a significantly longer stroke length compared to traditional single-stage cylinders, enabling extended reach or height adjustment without increasing the overall size of the cylinder.
- Compact Design: The nested structure of telescopic cylinders allows for a compact retracted length, making them suitable for applications with space constraints.
- Versatility: Telescopic cylinders can be customized to meet specific stroke length requirements. The number of stages can be adjusted, and the cylinders can be designed for different load capacities and working conditions.
- Efficient Operation: The controlled extension and retraction of telescopic cylinders enable precise load handling and positioning, improving operational efficiency.
Overall, a telescopic cylinder is a hydraulic cylinder with nested stages that can extend and retract, providing an extended stroke length while maintaining a compact retracted length. Its structure and operation make it ideal for applications requiring long reach or height adjustment.
It's important to follow the manufacturer's guidelines and specifications for the telescopic cylinder, including proper maintenance and inspection, to ensure its safe and reliable operation.
editor by Dream 2024-11-27