Product Description
Introduction
This 3-stage Bailey Hydraulics Maxim 7-Ton Telescopic Cylinder is designed with multiple stages that enable longer strokes to be achieved using less space. Features 2 3/8in, 3in, and 1 3/4in. sections for versatility. The collapsed cylinder size plus long stroke capability makes this an ideal choice for dump beds, trailers, and other applications where a constant force is not required.
Feature
1. Multiple stages enable longer strokes to be achieved using less space
2. Angular swivels allow for a small amount of misalignment while still functioning fully
3. Micro-honed inside and chrome plated outside to decrease corrosion and increase wear resistance and durability
4. Handles continuous loads of 2500 PSI
Bailey type telescopic hydraulic cylinder Maxim 7-ton telescopic cylinder 3 stages
Part No. 21 0571
SKU: 21 0571
Specification
| Working pressure | 2500PSI |
| Body OD | 3.74 in |
| Stroke | 90 in |
| Rod diameter | 2 in |
| Retracted | 39.5 in |
| Extended | 129.5 in |
| Port size | 1/2″ NPT |
| Pin diameter | 1 in |
| Weight | 75 Ib |
| Stages | 3 |
| Plunger Dia | 3″, 2 3/8″, 1 3/4″ |
Hydraulic cylinders are the most effective and efficient method of pushing, pulling, lifting, and lowering.
Nowadays hydraulic cylinders play an essential role in daily application and industry:
√ Mining
√ Earthmoving & Construction
√ Agriculture &Forestry
√Waste Management & Material Handing
√Ship crane & offshore
Selecting the right cylinders for an application is critical in obtaining maximum performance and reliability.
ROCA team considers all your concerns to suit your hydraulic cylinder requirements.
Together, we work out the best design solution for your application.
FAQ
Q1.Do you have MOQ?
Depending on different ideas, Can be negotiated. The larger the quantity is, the competitive the unit price will be.
Q2.Should the customer pay the delivery fee, How much is it?
For the delivery fee, many samples are being requested to be sent, so we must get the delivery fee.
If you tell me to use the appointed Express, you will give me your express account or you will pay according to the Express.
If you do not request, I will choose a cheap one in China.
Q3.How about the after sale service?
1) We will always keep the quality the same as the buyer’s samples and if there is something with the quality, we will make compensation for our customers.
2) We will suggest our packing and take charge in our packing, we will keep the goods safe in the delivery.
3) We will trace the goods from the production to selling, we will solve the problems in the selling for our customers.
Q4.When can I get a price?
We usually quote within 24 hours after we get your inquiry.
Q5: Are you a trade company or manufacturer?
We are a professional manufacturer with our factory.
| Certification: | GS, ISO9001 |
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| Pressure: | Medium Pressure |
| Work Temperature: | Normal Temperature |
| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can single-acting hydraulic cylinders be used in agricultural machinery for specific tasks?
Yes, single-acting hydraulic cylinders can be used in agricultural machinery for specific tasks. Here’s a detailed explanation:
Agricultural machinery plays a crucial role in modern farming operations, increasing productivity and efficiency. Single-acting hydraulic cylinders are commonly employed in various agricultural equipment to perform specific tasks and functions.
Here are some examples of how single-acting hydraulic cylinders are used in agricultural machinery:
1. Lift Systems: Agricultural machinery often requires lifting capabilities to handle heavy loads such as bales, equipment attachments, or implements. Single-acting hydraulic cylinders are utilized in lifting systems to provide the necessary force for raising and lowering components. This enables efficient loading and unloading of materials and facilitates equipment adjustments.
2. Tilting and Pivoting Actions: Some agricultural tasks require tilting or pivoting actions to adjust the angle or position of equipment. Single-acting hydraulic cylinders can be integrated into the machinery to enable controlled tilting or pivoting movements. For example, in a tillage implement, a hydraulic cylinder can be used to adjust the angle of the implement to optimize soil cultivation.
3. Hydraulic Brakes and Clutches: Agricultural machinery often utilizes hydraulic systems for braking and clutching actions. Single-acting hydraulic cylinders play a role in these systems by actuating hydraulic brakes or clutches, providing reliable and precise control over the machinery’s movement and operation.
4. Seed and Fertilizer Distribution: Hydraulic cylinders are employed in seed and fertilizer distribution systems to regulate the flow of materials. For example, in a seed drill, a single-acting hydraulic cylinder can control the opening and closing of seed tubes to ensure accurate seed placement at the desired depth.
5. Harvesting Equipment: Harvesting machinery, such as combine harvesters, often utilizes hydraulic systems for various functions. Single-acting hydraulic cylinders can be found in these machines to control the movement of components like cutter bars, augers, and chutes, facilitating efficient harvesting operations.
6. Implement Adjustments: Agricultural implements, such as plows, harrows, and planters, often require adjustments to adapt to different soil conditions and crop types. Single-acting hydraulic cylinders can be employed to adjust the height, depth, or angle of these implements, allowing farmers to optimize their performance and achieve desirable results.
It is important to note that while single-acting hydraulic cylinders are suitable for specific tasks in agricultural machinery, the selection of the appropriate cylinder type and configuration depends on factors such as the required force, stroke length, and operating conditions.
In summary, single-acting hydraulic cylinders are commonly used in agricultural machinery for specific tasks such as lifting, tilting, braking, clutching, material distribution, harvesting, and implement adjustments. Their ability to provide controlled force and movement makes them valuable components in enhancing the functionality and efficiency of agricultural equipment.

Can single-acting hydraulic cylinders be integrated into manufacturing machinery?
Yes, single-acting hydraulic cylinders can be integrated into manufacturing machinery. Here’s a detailed explanation:
Manufacturing machinery often requires precise and controlled linear motion for various operations such as lifting, pressing, clamping, or material handling. Single-acting hydraulic cylinders offer an effective solution for these applications due to their ability to provide force in one direction. Here are some key points on how single-acting hydraulic cylinders can be integrated into manufacturing machinery:
1. Lifting and Lowering: Single-acting hydraulic cylinders are commonly used for lifting and lowering heavy loads in manufacturing machinery. They can be integrated into lifting mechanisms, such as scissor lifts or lift tables, to provide the necessary force for vertical movement. The cylinders can be actuated by hydraulic pumps to extend or retract, enabling controlled lifting and lowering operations.
2. Pressing and Forming: In manufacturing processes that involve pressing or forming operations, single-acting hydraulic cylinders can be employed. They can be integrated into presses, stamping machines, or forming dies to apply force and shape materials. The cylinders provide controlled and repeatable force application, ensuring accurate and consistent results.
3. Clamping and Holding: Single-acting hydraulic cylinders are suitable for clamping and holding applications in manufacturing machinery. They can be integrated into clamping devices or fixtures to secure workpieces during machining, welding, or assembly processes. The cylinders exert force to hold the workpiece firmly in place, providing stability and precision during manufacturing operations.
4. Material Handling: Single-acting hydraulic cylinders are utilized in material handling equipment within manufacturing machinery. They can be integrated into lifting arms, tilt mechanisms, or conveyor systems to manipulate and transport materials. The cylinders enable controlled movement and positioning of materials, enhancing efficiency and productivity in manufacturing processes.
5. Custom Integration: Single-acting hydraulic cylinders offer flexibility for custom integration into manufacturing machinery. They can be tailored to specific requirements by adjusting parameters such as bore size, stroke length, and mounting options. Manufacturers and machine builders can work together to design and incorporate hydraulic cylinders into machinery systems, ensuring optimal performance and compatibility.
It is important to consider the specific needs of the manufacturing machinery and select the appropriate single-acting hydraulic cylinders based on factors such as required force, stroke length, speed, and operating conditions.
In summary, single-acting hydraulic cylinders can be effectively integrated into manufacturing machinery for various applications including lifting, pressing, clamping, and material handling. Their ability to provide controlled linear force makes them valuable components in achieving precise and reliable movement in manufacturing processes.

What is a single-acting hydraulic cylinder and how does it operate?
A single-acting hydraulic cylinder is a type of hydraulic cylinder that operates in one direction, utilizing hydraulic pressure to exert force in the extending stroke. Here’s a detailed explanation:
1. Construction: A single-acting hydraulic cylinder consists of a cylindrical barrel, a piston, a piston rod, and a single hydraulic port. The cylinder barrel houses the piston, which divides the cylinder into two chambers: the pressure chamber and the return chamber. The piston rod is connected to one end of the piston and extends outside the cylinder. The hydraulic port is located at the base of the cylinder and is connected to a hydraulic power source.
2. Operation: When hydraulic fluid is supplied to the pressure chamber through the hydraulic port, it exerts pressure on the piston, causing the piston to move in the extending stroke. This movement pushes the piston rod outward, generating force at the end of the rod. The force generated by the hydraulic pressure can be used to perform various tasks, such as lifting, pushing, or holding objects.
3. 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. When the hydraulic pressure is released or redirected, the piston is pushed back to its original position by external forces, such as gravity or springs. This return stroke is passive and does not generate force.
4. Applications: Single-acting hydraulic cylinders are commonly used in applications where force is required in one direction only, and the return stroke can be accomplished by external means. Some common applications include lifting equipment, dump trucks, hydraulic jacks, and certain types of industrial machinery.
5. Advantages: Single-acting hydraulic cylinders have a simpler design compared to double-acting cylinders, which typically means they are more cost-effective and easier to maintain. They are also well-suited for applications where the return stroke can be accomplished by external forces, eliminating the need for additional hydraulic components.
6. Limitations: The main limitation of single-acting hydraulic cylinders is their inability to generate force in the retracting stroke. This restricts their use in applications that require bidirectional force or precise control over both extending and retracting movements.
In summary, a single-acting hydraulic cylinder operates by utilizing hydraulic pressure to generate force in the extending stroke. It consists of a barrel, piston, piston rod, and a single hydraulic port. While they have certain limitations, single-acting cylinders are cost-effective and suitable for applications where force is required in one direction and the return stroke can be achieved by external means.


editor by CX 2023-12-12