Product Description
Dump Truck/Trailer Telescopic Hydraulic Cylinder
| Item | Dump Truck Telescopic Hydraulic Cylinder |
| Type | Pin to Pin Mounting,Pin to Trunnion Mounting |
| HS Code | 8412210090 |
| Each Stage Diameter(mm) | 221/196/172/150/129/110/91/75/60; 214/191/169/149/129/110/91/75/60; 202/179/157/137/118/99/80/63; 9.375”/8.125”/7”/6”/5”/4”/3”; |
| Max.Stroke(mm) | 12000mm |
| Raw Materials | 27SiMn/E355 seamless steel pipe with quenched&tempered |
| Seal Kits | Kaden,Hallite,Merkel,Guarnitec etc |
| Test Pressure | 3000PSI |
| Working Pressure | 2500PSI |
| Chrome Plating | Hard chrome plated |
| Chrome Thickness | 0.015-0.571mm |
| Color | According to your needs,you can choose your favorite color (Black/Blue/Red/Yellow/Gray/White etc) |
| Quality Check | All the parts and the finished hydraulic cylinders will be tested before delivery |
| Warranty | 14 Months |
| Lead Time | 30-35 working days after deposit payment |
| Package | Plywood pallet or steel box suitable for export |
| Customers | USA,Canada,Mexico,Russia,Australia,New Zealand,Netherlands,Poland,Italy,South Korea, South America,South Africa etc |
| OEM/ODM | Yes |
Hydraulic Cylinder Production Process
Hydraulic Cylinder Test
Each hydraulic cylinder is strictly tested before delivery.
Hydraulic Cylinder Application
Other Hot Selling Hydraulic Cylinders
Hydraulic System
Package&Shipping
Our Overseas Customers
FAQ
A. Compared with CHINAMFG cylinder, what are your cylinder advantages?
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.
B: Are you a manufacture or a trade company?
Manufacture, we are the leader manufacturer of hydraulic industry in China with 14 years’ experience and technology accumulation.
With strong technical team we could solve any annoyance of you.
C: How can I get a booklet and buy a cylinder from you?
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!
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.
D: Do your products come with a warranty?
Yes, we have 14 months warranty. In this year, if the quality problem we will free repair for you.
E: What about the quality feedback of your products?
We have never received even once quality complaint for many years of international business.
F: Can you help me to install or recommend what kind of hydraulic cylinder or power pack should I use for specific machine?
Yes, we have 6 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.
G: What is the delivery time?
Within 15 days for samples.
25-30 days for bulk production, which is depend on quality, production process and so on.
H: What is your main payment term?
T/T, L/C, either is available.
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| Certification: | CE, ISO9001 |
|---|---|
| Pressure: | High Pressure |
| Work Temperature: | Normal Temperature |
| Acting Way: | Single Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Regulated Type |
| Samples: |
US$ 280/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
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|---|

How does a single-acting hydraulic cylinder handle variations in environmental conditions?
A single-acting hydraulic cylinder is designed to handle variations in environmental conditions effectively. Here’s a detailed explanation:
1. Sealing Mechanisms: Single-acting hydraulic cylinders incorporate sealing mechanisms to prevent the ingress of contaminants and protect the internal components from environmental factors. The primary sealing component is typically a piston seal or rod seal, which forms a barrier between the hydraulic fluid and the external environment. These seals are designed to withstand temperature variations, moisture, dust, dirt, and other contaminants that may be present in the surrounding environment.
2. Material Selection: The materials used in the construction of single-acting hydraulic cylinders are carefully chosen to withstand different environmental conditions. Cylinder components are often made of materials such as steel, stainless steel, or corrosion-resistant alloys that offer durability and resistance to rust, corrosion, and chemical exposure. This ensures that the cylinder can operate reliably even in harsh environments, such as marine, offshore, or industrial settings.
3. Temperature Compensation: Single-acting hydraulic cylinders can handle variations in temperature through temperature compensation measures. Hydraulic fluids exhibit changes in viscosity with temperature fluctuations. To maintain consistent performance, the hydraulic system may incorporate temperature compensation mechanisms, such as adjusting the pressure or flow rate, to compensate for the effects of temperature on the fluid’s properties. This helps ensure that the cylinder operates effectively across a range of temperature conditions.
4. Lubrication and Maintenance: Proper lubrication is essential for the smooth operation of a single-acting hydraulic cylinder, especially in varying environmental conditions. Lubricants are used to reduce friction, protect seals, and ensure optimal performance. The choice of lubricant depends on the operating temperature range and the specific requirements of the cylinder. Regular maintenance, including lubrication inspections and seal replacements, helps maintain the cylinder’s performance and extends its service life.
5. Environmental Protection: In certain applications or environments where the hydraulic cylinder may be exposed to extreme conditions, additional measures may be taken to enhance its protection. This can include the use of protective covers, boots, or bellows to shield the cylinder from debris, moisture, or extreme temperatures. These protective measures help prolong the cylinder’s lifespan and maintain its functionality under challenging environmental conditions.
6. Compliance with Standards: Single-acting hydraulic cylinders are often designed and manufactured in compliance with industry standards and regulations. These standards define minimum requirements for factors such as performance, safety, and environmental conditions. By adhering to these standards, hydraulic cylinders are engineered to handle variations in environmental conditions while ensuring safe and reliable operation.
7. Application-Specific Considerations: Depending on the specific application and environmental conditions, additional features or modifications may be incorporated into the design of single-acting hydraulic cylinders. For example, in marine or offshore applications, cylinders may be equipped with corrosion-resistant coatings or special seals to withstand saltwater exposure. In high-temperature environments, heat-resistant materials or cooling systems may be employed.
In summary, single-acting hydraulic cylinders handle variations in environmental conditions through sealing mechanisms, appropriate material selection, temperature compensation measures, lubrication and maintenance practices, environmental protection measures, compliance with standards, and application-specific considerations. These design considerations and protective measures ensure the cylinder’s performance, longevity, and reliability even in challenging environmental conditions.

Can single-acting hydraulic cylinders be applied in marine and offshore equipment?
Yes, single-acting hydraulic cylinders can be applied in marine and offshore equipment. Here’s a detailed explanation:
Marine and offshore equipment operate in challenging environments, including exposure to saltwater, high humidity, and extreme weather conditions. Single-acting hydraulic cylinders offer several advantages that make them suitable for use in such applications. Here are some key points on the application of single-acting hydraulic cylinders in marine and offshore equipment:
1. Corrosion Resistance: Marine and offshore environments are highly corrosive due to the presence of saltwater. Single-acting hydraulic cylinders can be manufactured using materials that provide excellent corrosion resistance, such as stainless steel or corrosion-resistant coatings. This ensures the longevity and reliability of the cylinders, even in harsh marine conditions. The resistance to corrosion helps prevent premature failure and reduces maintenance requirements.
2. Compact Design: Space is often limited on marine vessels and offshore platforms. Single-acting hydraulic cylinders have a compact design, allowing them to be installed in confined spaces and integrated into the equipment efficiently. The compact size also contributes to weight savings, which is crucial in marine and offshore applications where weight restrictions are common.
3. Load Handling: Single-acting hydraulic cylinders are capable of handling heavy loads, making them suitable for various marine and offshore equipment applications. They can be used to operate cranes, winches, lifting mechanisms, and other load-handling systems. The cylinders’ ability to generate high force in one direction provides efficient load lifting and control, contributing to the overall productivity and safety of marine and offshore operations.
4. Shock and Vibration Resistance: Marine and offshore equipment are subjected to significant shock and vibration during operation. Single-acting hydraulic cylinders are designed to withstand these dynamic forces. They can be equipped with features like shock absorbers, dampeners, or cushioning mechanisms to minimize the impact of shocks and vibrations. This helps protect the cylinders from damage and ensures reliable performance in demanding marine and offshore environments.
5. Environmental Sealing: Single-acting hydraulic cylinders can be equipped with environmental sealing measures to protect them from water ingress, dust, and other contaminants. Seals and gaskets are used to create a barrier between the cylinder’s internal components and the external environment. This sealing prevents water and contaminants from compromising the cylinder’s performance and extends its service life in marine and offshore applications.
6. Safety Considerations: Marine and offshore operations prioritize safety. Single-acting hydraulic cylinders can incorporate safety features such as pressure relief valves, emergency stop mechanisms, or fail-safe systems. These features help prevent overloading, sudden movements, or system failures, ensuring the safety of personnel and equipment in marine and offshore environments.
When selecting single-acting hydraulic cylinders for marine and offshore equipment, it is important to consider factors such as load requirements, environmental conditions, industry standards, and certifications. Compliance with relevant regulations and guidelines is essential to ensure the safe and reliable operation of the equipment.
In summary, single-acting hydraulic cylinders can be successfully applied in marine and offshore equipment due to their corrosion resistance, compact design, load handling capabilities, shock and vibration resistance, environmental sealing, and safety considerations. These features make them well-suited for the demanding conditions encountered in marine and offshore operations.

What are the essential components and design features of a single-acting hydraulic cylinder?
A single-acting hydraulic cylinder consists of several essential components and design features that enable its operation. Here’s a detailed explanation:
1. Cylinder Barrel: The cylinder barrel is a cylindrical tube that serves as the main body of the hydraulic cylinder. It houses the other components and provides a sealed chamber for fluid containment.
2. Piston: The piston is a cylindrical component that separates the cylinder barrel into two chambers: the pressure chamber and the return chamber. It is typically made of a durable material such as steel and has sealing elements to prevent fluid leakage between the chambers.
3. Piston Rod: The piston rod is connected to one end of the piston and extends outside the cylinder barrel. It transmits the force generated by the hydraulic fluid to the external load or mechanism. The piston rod is typically made of hardened steel to withstand high forces and minimize deflection.
4. Seals: Seals are crucial components in a single-acting hydraulic cylinder as they prevent fluid leakage and maintain the separation between the pressure chamber and the return chamber. Common types of seals used in hydraulic cylinders include O-rings, rod seals, and wiper seals.
5. Hydraulic Port: A single-acting hydraulic cylinder typically has a single hydraulic port located at the base of the cylinder barrel. The hydraulic port is used to supply hydraulic fluid to the pressure chamber, creating the force necessary for the extending stroke.
6. Mounting Options: Single-acting hydraulic cylinders are designed with various mounting options to facilitate their installation and integration into different systems. Common mounting options include flange mounts, clevis mounts, trunnion mounts, and foot mounts. These mounting options provide flexibility in positioning and securing the cylinder.
7. External Forces for Return Stroke: Unlike double-acting hydraulic cylinders that can generate force in both directions, single-acting cylinders rely on external forces or mechanisms for the return stroke. Once the hydraulic pressure is released or redirected, external forces such as gravity, springs, or other mechanical means push the piston back to its original position.
8. Cylinder Size and Stroke Length: Single-acting hydraulic cylinders are available in various sizes and stroke lengths to accommodate different load requirements and application needs. The cylinder size and stroke length should be selected based on the desired force output, load capacity, and available installation space.
9. Materials and Construction: Single-acting hydraulic cylinders are typically constructed from robust materials such as steel or aluminum alloy to withstand high pressures and loads. The construction should be durable and capable of withstanding the operating conditions, including temperature, pressure, and environmental factors.
10. Optional Features: Single-acting hydraulic cylinders may incorporate optional features depending on the specific application requirements. These features can include integrated cushions to dampen the impact at the end of the stroke, position sensors for feedback, and external protective coatings for corrosion resistance.
In summary, the essential components and design features of a single-acting hydraulic cylinder include the cylinder barrel, piston, piston rod, seals, hydraulic port, mounting options, external forces for the return stroke, cylinder size and stroke length, materials and construction, and optional features. These components and features work together to enable the single-direction force generation and reliable operation of the hydraulic cylinder.


editor by CX 2024-04-10