Product Description
Product Description
Double Acting Single Piston Rod Hydraulic Cylinders for Heavy Engineering
Hydraulic Equipment includes Engineering Hydraulic Cylinder, Hydraulic Cylinder for metallurgical equipment, Hydraulic Cylinder For Industry and Thin Hydraulic Cylinder, etc. DGRHSG*01-E series are all double acting single piston rod hydraulic cylinders, which are actuators in the hydraulic system that move in a straight line. It has simple structure, reliable operation, with other characteristics like convenient assembly and disassembly, easy maintenance, and diverse connection methods.
The installation method often adopts earring type. According to the connection method between the cylinder head and the cylinder block, it can be divided into 3 types: external thread connection, internal key connection, and flange connection.
The engineering hydraulic cylinder mainly uses hydraulic systems for engineering machinery cities, heavy machinery piles, lifting and transportation machine, and mining machinery combs.
Note:
1. Speed ratio φ refers to the ratio of the effective area of the piston to the effective area of the piston rod cavity.
2. The rod diameter size in the speed ratio of 1.46 is the preferred series.
3. In principle, the maximum stroke : φ=1.33, S=8D; φ=1.46, S=10D; φ=2, S=12D.
4. When the user’s required S exceeds the maximum stroke specified in the table, it should be resolved through mutual consultation.
5. The minimum stroke for non hinged shaft and middle flange connections shall be as shown in the table above.
6.1MPa is approximately equal to10Kgf/CM2
Features
1.Excellent Material Selection Strict selection of materials, professional processing of the inner wall, smooth operation, and long service life
2.Fine workmanship Fine workmanship prevents oil leakage, greatly improves service life, saves a lot of maintenance costs, reduces friction resistance, and provides overall Mechanical efficiency
3.Easy installation It is very convenient to use, without the need for any matching accessories, reducing installation costs
4.Not prone to oil leakage Stable performance: The oil cylinder adopts excellent sealing components, with good sealing effect to maintain normal operation at high speed
5. Strict quality inspection and assurance of quality Each 1 is made with precision craftsmanship, using excellent standards to process and produce stable structures, saving time and effort, and making it easy to use
Application
Hydraulic cylinders are widely used in engineering machinery, molds, automobiles, mines, metallurgy, aviation, ships, agriculture, environmental protection and other industries.
Certifications
Packaging & Shipping
FAQ
Q1. What are your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown wooden cartons. If you have a legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What are your terms of payment?
A: T/T 50% as deposit, and 50% before shipping. We’ll show you the photos of the products and packages before
you pay the balance.
Q3. What are your terms of delivery?
A: EXW, FOB, CFR, CIF.
Q4. How about your delivery time?
A: Generally, it will take 10-25 days to produce the products, and 5days by air, 25 days of the ship by sea. The specific delivery time depends on the items and the quantity of your order.
Q5: How is the warranty system?
A: 1~5 years. (upon the deal)
Q6. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q7. What is your sample policy?
A: We can supply the sample, but the customers have to pay the sample cost and the courier cost.
Q8. Do you test all your goods before delivery?
A: Yes, we have a 100% test before delivery.
| Certification: | RoHS, CE, ISO9001 |
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| Pressure: | High Pressure |
| Work Temperature: | High Temperature |
| Acting Way: | Single Acting |
| Working Method: | Straight Trip |
| Adjusted Form: | Regulated Type |
| Customization: |
Available
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In what types of machinery can single-acting hydraulic cylinders be applied?
Single-acting hydraulic cylinders find applications in various types of machinery. Here’s a detailed explanation:
1. Construction Equipment: Single-acting hydraulic cylinders are commonly used in construction machinery. They are employed in equipment such as excavators, loaders, bulldozers, backhoes, and cranes. These cylinders facilitate lifting, pushing, digging, and other tasks involved in construction and earthmoving operations.
2. Material Handling Machinery: Single-acting hydraulic cylinders are widely utilized in material handling equipment, including forklifts, pallet jacks, scissor lifts, and conveyor systems. These cylinders provide the necessary force for lifting, lowering, tilting, and positioning loads in warehouses, manufacturing facilities, distribution centers, and other material handling applications.
3. Agricultural Machinery: In the agricultural sector, single-acting hydraulic cylinders are employed in various machinery. They can be found in agricultural equipment such as tractors, loaders, harvesters, sprayers, and hay balers. These cylinders assist in tasks such as lifting and lowering implements, operating hydraulic attachments, and controlling the movement of agricultural machinery.
4. Automotive Equipment: Single-acting hydraulic cylinders are utilized in automotive equipment for a range of applications. They are used in car lifts, vehicle ramps, and automobile jacks for lifting vehicles during maintenance, repairs, and inspections. These cylinders provide the necessary force to raise and support the weight of automobiles.
5. Industrial Machinery: Single-acting hydraulic cylinders are employed in various industrial machinery and equipment. They can be found in hydraulic presses, stamping machines, compactors, packaging equipment, and machine tools. These cylinders assist in applying force, controlling motion, and performing precise positioning in industrial manufacturing processes.
6. Aerospace and Defense: Single-acting hydraulic cylinders are utilized in aerospace and defense applications. They can be found in aircraft, helicopters, missiles, and other aerospace systems. These cylinders contribute to functions such as landing gear actuation, flight control surfaces, cargo handling, and weapon systems.
7. Marine and Offshore Equipment: Single-acting hydraulic cylinders are employed in marine and offshore equipment. They can be found in ship machinery, cranes, winches, hydraulic lifts, and deck machinery. These cylinders assist in various marine operations, including cargo handling, anchor handling, steering mechanisms, and positioning systems.
8. Environmental and Waste Management Equipment: Single-acting hydraulic cylinders are utilized in environmental and waste management machinery. They can be found in garbage compactors, waste balers, recycling equipment, and waste handling systems. These cylinders contribute to tasks such as compressing waste materials, operating sorting mechanisms, and facilitating efficient waste management processes.
9. Specialized Applications: Single-acting hydraulic cylinders are also applied in specialized machinery and equipment for specific industries or tasks. Examples include hydraulic presses for forming and molding operations, hydraulic cylinders in dam gates and water control systems, hydraulic actuators in robotic systems, and hydraulic mechanisms in amusement park rides.
In summary, single-acting hydraulic cylinders find applications in a wide range of machinery across various industries. They are utilized in construction equipment, material handling machinery, agricultural machinery, automotive equipment, industrial machinery, aerospace and defense systems, marine and offshore equipment, environmental and waste management machinery, as well as specialized applications in different sectors.

Can single-acting hydraulic cylinders be used in mining equipment?
Yes, single-acting hydraulic cylinders can be used in mining equipment. Here’s a detailed explanation:
Mining operations involve heavy-duty equipment that requires robust and reliable hydraulic systems to perform various tasks. Single-acting hydraulic cylinders offer several advantages that make them suitable for use in mining equipment. Here are some key points on the application of single-acting hydraulic cylinders in mining:
1. High Force Generation: Mining equipment often needs to exert significant force to perform tasks such as rock drilling, material extraction, or lifting heavy loads. Single-acting hydraulic cylinders are capable of generating high force in a single direction, making them well-suited for these demanding applications. The cylinders can generate the necessary force to operate hydraulic jacks, crushers, conveyors, and other mining machinery effectively.
2. Durability and Reliability: Mining environments can be harsh, with factors such as dust, dirt, debris, and extreme temperatures. Single-acting hydraulic cylinders are designed to withstand these challenging conditions. They are built with durable materials such as high-strength steel and can be equipped with protective coatings or seals to resist abrasion, corrosion, and contamination. This rugged construction ensures the longevity and reliability of the cylinders in mining equipment.
3. Compact Design: Mining equipment often operates in tight spaces or confined areas, such as underground mines. Single-acting hydraulic cylinders have a compact design, which allows them to be installed in restricted spaces without sacrificing performance. The compact size also contributes to weight savings, which is beneficial for mobile mining equipment that needs to be transported or maneuvered within the mining site.
4. Precise Control: Single-acting hydraulic cylinders offer precise control over force and movement. This is essential in mining operations where accuracy and repeatability are crucial. The hydraulic system associated with the cylinder allows for fine adjustments in pressure, flow, and speed, enabling operators to control the equipment’s actions precisely. This precise control enhances productivity, safety, and efficiency in mining operations.
5. Versatility: Single-acting hydraulic cylinders are versatile and can be used in a wide range of mining equipment. They are suitable for applications such as roof support systems, hydraulic shovels, loaders, haul trucks, hydraulic hammers, and more. The cylinders can be customized and integrated into different mining machinery designs to meet specific requirements.
6. Safety Considerations: Mining operations prioritize safety due to the hazardous nature of the work environment. Single-acting hydraulic cylinders can incorporate safety features such as overload protection, emergency stop mechanisms, or fail-safe systems. These safety measures help prevent accidents, equipment damage, or system failures, ensuring the well-being of mining personnel and the integrity of the equipment.
When selecting single-acting hydraulic cylinders for mining equipment, it is important to consider factors such as load capacity, operating conditions, maintenance requirements, and compliance with industry standards and regulations. Regular inspection, maintenance, and proper lubrication are also essential to ensure optimal performance and longevity of the cylinders in mining applications.
In summary, single-acting hydraulic cylinders can be effectively used in mining equipment due to their high force generation capabilities, durability, compact design, precise control, versatility, and safety considerations. These features make them well-suited for the demanding and challenging conditions encountered in mining operations.

How does a single-acting hydraulic cylinder handle variations in hydraulic pressure?
A single-acting hydraulic cylinder is designed to handle variations in hydraulic pressure in a specific manner. Here’s a detailed explanation:
1. Extending Stroke: During the extending stroke of a single-acting hydraulic cylinder, hydraulic pressure is applied to the pressure chamber through the hydraulic port. The pressure acts on the piston, causing it to move in the outward direction, extending the piston rod. The force generated by the hydraulic pressure is directly proportional to the pressure and the effective area of the piston.
2. 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.
3. Handling Pressure Variations: Single-acting hydraulic cylinders are designed to accommodate variations in hydraulic pressure in the following ways:
- Pressure Limitations: Single-acting cylinders have pressure limitations specified by their design and construction. These limitations ensure that the cylinder can safely handle the maximum hydraulic pressure it is rated for without experiencing structural failure or damage.
- Pressure Relief Valve: In some applications, a pressure relief valve may be installed in the hydraulic circuit to protect the hydraulic cylinder from excessive pressure. The relief valve opens when the pressure exceeds a predetermined limit, allowing the excess fluid to bypass the cylinder and maintain a safe operating pressure.
- Sealing System: Single-acting cylinders have sealing systems that help contain the hydraulic pressure within the pressure chamber and prevent leakage. The seals, such as O-rings, rod seals, and wiper seals, are designed to withstand the pressure and provide an effective barrier between the pressure chamber and the return chamber.
- Controlled Fluid Flow: The hydraulic system controlling the single-acting cylinder may incorporate flow control valves or regulators to regulate the rate of fluid flow. These components can help manage pressure variations by controlling the flow of hydraulic fluid into the pressure chamber during the extending stroke.
By considering pressure limitations, incorporating pressure relief valves, utilizing effective sealing systems, and implementing controlled fluid flow, single-acting hydraulic cylinders can handle variations in hydraulic pressure and maintain safe and reliable operation.


editor by CX 2023-12-14