Product Description

Product Description

Renewable energy hydraulic cylinder:

HETLOCK comply with development and demand of the times. We are further study in the field of renewable energy. Has been successfully to entered many customer in the field of wind power.
And reference to bridge jack-up experience of rise and fall. Creatively to installed the hydraulic valve into the hydraulic cylinder directly. Improve the stability when hydraulic cylinder ruining. And to avoid the hydraulic cylinder suddenly fall off due to tube crack.

Our products have applications in:

  • Wind energy;
  • Nuclear energy;
  • Solar Thermal energy;
  • Marine energy
  • Etc.

Product Parameters

Material Carbon steel, Alloy steel, Stainless steel
Honed tube 20-2500mm, Heat treatment, honing, rolling
Piston rod 10-2000mm ,tempering, plated nickel, Chromium or ceramic
Working Pressure 5-300Mpa
Seals Parker,Merkel,Hallite
Technology Bosch CHINAMFG and Parker
Coating Sandblasting, primer, middle paint,  finish paint
Temperature range -40ºC to +300ºC
Work medium Hydraulic Oil 
Piston speed maximum 2m/s
Mounting style Earrings, flange, foot mounting, screw thread.

Product Application

Company Show

HETLOCK is a professional manufacturer of hydraulic cylinders in China, Founded in 1998, located in the international city of ZheJiang . Our plant is nearly 20000 square meter& We have 135 Employees including 11 experienced engineers and technical staff,More than 1800 type of hydraulic cylinder designed in every year. We can produce various kinds of hydraulic cylinders according to customer requirements.
The inside diameter of hydraulic cylinders can achieve the maximum 2500mm;
The hydraulic cylinders operating pressure can achieve the maximum 300MPa.


Q1:Are you a manufacturer or trading company?
A: We are a manufacturer.

Q2: How many years of production experience do you have?
A: We have over 20 years of production experience.

Q3: Can it be customized?
A: Both standard and non-standard products can be customized.

Q4: How to ensure product quality?
A: We strictly follow the quality process for production and 100% inspection of each batch of products.

Q5: What services can you provide?
A: According to customer requirements, we can provide a one-stop solution from design, production, and delivery to meet their needs.

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Certification: CE, ISO9001
Pressure: High Pressure
Work Temperature: Normal Temperature
Acting Way: Double Acting
Working Method: Straight Trip
Adjusted Form: Regulated Type


hydraulic cylinder

What advantages do hydraulic rams offer in terms of force multiplication?

Hydraulic rams offer several advantages when it comes to force multiplication. Here's a detailed explanation:

1. High Force Output: Hydraulic rams are capable of generating a high amount of force. This force is produced by applying hydraulic pressure to a piston, which then transmits the force to the load. The hydraulic system allows for the efficient transfer of force, resulting in significant force multiplication compared to other mechanical systems.

2. Adjustable Force: The force output of hydraulic rams can be easily adjusted by controlling the hydraulic pressure. By regulating the pressure within the hydraulic system, the force applied by the ram can be increased or decreased as needed. This adjustability makes hydraulic rams versatile and suitable for a wide range of applications with varying force requirements.

3. Mechanical Advantage: Hydraulic rams can leverage mechanical advantage to further multiply the force. By incorporating mechanical systems such as levers, linkages, or gears in conjunction with hydraulic rams, the force applied to the ram can be amplified. This mechanical advantage allows hydraulic rams to handle even higher force requirements than what the hydraulic pressure alone would be able to achieve.

4. Smooth and Controlled Operation: Hydraulic rams offer smooth and controlled operation, allowing for precise force application. The hydraulic fluid acts as a medium, transmitting force evenly and smoothly, resulting in a consistent and controlled movement of the ram. This smooth operation is particularly beneficial in applications that require precise positioning or gradual force application.

5. Compact Design: Hydraulic rams have a compact design, which makes them suitable for applications where space is limited. The compact size allows hydraulic rams to be installed in tight spaces without compromising their force multiplication capabilities. This advantage is particularly valuable in industries such as construction, automotive, or aerospace, where equipment needs to be compact and efficient.

6. Safety Features: Hydraulic rams often incorporate safety features to prevent overloading or excessive force application. These features may include pressure relief valves or limit switches, which protect the ram and surrounding components from damage due to excessive force. The inclusion of safety features ensures safe and reliable operation while maximizing the force multiplication capabilities of hydraulic rams.

Overall, hydraulic rams provide significant advantages in terms of force multiplication. Their high force output, adjustability, mechanical advantage, smooth operation, compact design, and incorporation of safety features make them a preferred choice in various industries where substantial force is required.

hydraulic cylinder

Can hydraulic rams be used in agricultural machinery for various tasks?

Yes, hydraulic rams are extensively used in agricultural machinery for various tasks. Here's a detailed explanation:

1. Implements Control: Hydraulic rams play a crucial role in controlling and manipulating agricultural implements. Tractors, harvesters, and other agricultural machinery often use hydraulic rams to raise, lower, tilt, or adjust the position of implements such as plows, cultivators, seeders, and sprayers. The hydraulic rams provide the necessary force and control to optimize the performance and efficiency of these implements, allowing farmers to effectively prepare the soil, plant seeds, apply fertilizers, and perform other essential tasks.

2. Load Handling: Agricultural machinery often requires the ability to handle heavy loads. Hydraulic rams are employed in equipment like loaders, telehandlers, and forklifts used in agriculture to lift, lower, and manipulate loads such as bales, pallets, and containers. The hydraulic rams provide the lifting force required to handle these loads efficiently, enabling farmers to transport and stack agricultural materials with ease.

3. Steering and Braking: Hydraulic rams are utilized in the steering and braking systems of agricultural machinery. For example, hydraulic rams are employed in power steering systems to assist in turning the wheels of tractors or other agricultural vehicles. Hydraulic rams are also used in braking systems to transmit hydraulic pressure and force to actuate the brakes, ensuring safe and reliable stopping of agricultural machinery.

4. Suspension Systems: Agricultural machinery often operates in challenging terrains, and hydraulic rams are employed in suspension systems to provide a smooth and stable ride. Hydraulic rams absorb shocks and vibrations, improving operator comfort and reducing stress on the machinery. Suspension systems equipped with hydraulic rams ensure better traction, stability, and maneuverability, allowing agricultural machinery to operate effectively in uneven or rough terrain.

5. Bale Handling and Wrapping: Hydraulic rams are extensively used in bale handling and wrapping equipment. For instance, in baling machines, hydraulic rams compress and form bales of crops such as hay or straw. Hydraulic rams are also employed in bale wrappers to apply pressure and secure the wrapping material around the bales. These hydraulic ram-powered systems enhance the efficiency of bale handling and wrapping processes in agriculture.

6. PTO Control: Power Take-Off (PTO) systems are commonly found in agricultural machinery to transfer mechanical power from the engine to various attached implements. Hydraulic rams are utilized in PTO control systems to engage or disengage the PTO shaft, allowing farmers to selectively power specific implements as needed. The hydraulic rams provide the necessary force and control for smooth and precise PTO operation.

7. Custom Applications: Apart from the above-mentioned tasks, hydraulic rams can be customized and utilized in various other agricultural applications based on specific requirements. Their versatility and adaptability make them suitable for tasks such as gate opening/closing, livestock feeding systems, environmental control systems, and more.

In summary, hydraulic rams find extensive use in agricultural machinery for a wide range of tasks, including implements control, load handling, steering and braking, suspension systems, bale handling and wrapping, PTO control, and custom applications. Their ability to provide force, control, and versatility makes hydraulic rams an essential component in enhancing the efficiency and functionality of agricultural machinery.

hydraulic cylinder

What is the importance of hydraulic fluid in a hydraulic ram?

Hydraulic fluid plays a critical role in the operation of a hydraulic ram. It serves several important functions that are essential for the ram's performance and efficiency. Here's a detailed explanation:

1. Transmitting Power: Hydraulic fluid is a medium that transfers power within the hydraulic ram. When water flows into the ram during the drive phase, it exerts pressure on the hydraulic fluid. This pressure is transmitted to other parts of the ram, such as the valve mechanism or the air vessel, enabling the conversion of hydraulic energy into mechanical work.

2. Lubrication: Hydraulic fluid acts as a lubricant for the moving parts of the hydraulic ram. It reduces friction between components, minimizing wear and tear and ensuring smooth operation. Proper lubrication helps extend the lifespan of the ram and improves its overall efficiency.

3. Heat Dissipation: During the operation of a hydraulic ram, heat is generated due to the conversion of hydraulic energy. Hydraulic fluid helps dissipate this heat, preventing overheating of the ram's components. Effective heat dissipation maintains the ram's performance and prevents damage caused by excessive temperatures.

4. Sealing and Contamination Control: Hydraulic fluid provides a sealing function within the ram. It fills the gaps and spaces between components, preventing leakage of water or air. Additionally, hydraulic fluid helps control contamination by forming a barrier that prevents external contaminants, such as dirt or debris, from entering the hydraulic system. This helps maintain the cleanliness and integrity of the ram.

5. Pressure Transmission: Hydraulic fluid is incompressible, allowing it to transmit pressure effectively within the ram. It enables the transfer of hydraulic energy from the water to the various components, ensuring the proper functioning of the ram.

6. Compatibility with Materials: Hydraulic fluid is selected based on its compatibility with the materials used in the hydraulic ram. It should not degrade or damage the ram's components over time. Proper fluid selection ensures that the hydraulic ram operates reliably and remains in good condition.

Overall, hydraulic fluid is of utmost importance in a hydraulic ram. It transmits power, provides lubrication, dissipates heat, seals the system, controls contamination, transmits pressure, and ensures compatibility with the ram's materials. These functions contribute to the smooth operation, efficiency, and longevity of the hydraulic ram.

China Good quality Heavy Duty Seamless Steel Tube Hydraulic Rams for Sale Near Me   vacuum pump adapter	China Good quality Heavy Duty Seamless Steel Tube Hydraulic Rams for Sale Near Me   vacuum pump adapter
editor by CX 2024-03-08