Product Description

Customized Double Acting Hydraulic Ram

1. Cylinder Tube 
(1)Material: Standard using ASTM 1571(steel 20), ASTM 1035(steel 35), ASTM 1040(steel 40) with Ra0.4 after honing and rolling.
(2)Tube choosing: standard is cold drawn seamless steel tube, if need hot rolling seamless steel tube, please inform us before quotation. 
(3)Advice: Low pressure can use steel 20, high pressure can use steel 45. If customers have other special material request, can talk with us before quotation.

2. Piston Rod
(1) Material: Standard using ASTM 1035(steel 35) and ASTM 1045(steel 45).
(2) Piston Rod choosing: CHINAMFG piston rod and hollow piston rod (one of hollow piston rod end needs an air vent for welding and heating)
(3). Process: Quenching and tempering to reach hardness 229-285HB after roughing machining, if necessary, we also can reach hardness 45-55HRC after high frequency quenching. Standard chrome plated thickness is 25μm(if need more thickness, please inform us before quotation).

3. Piston
(1) Material: Standard material is wear-resisting cast iron, gray iron(HT300, HT350), steel and aluminum alloy, forging group II.
(2) The concentricity tolerance between piston and piston rod is 0.03mm.

4. Cylinder Cover
(1) Material: Cast iron for low pressure, gray iron HT300 for middle-low pressure. ASTM 1035(steel 35), ASTM 1045(steel 45) for middle-high pressure.
(2) Cylinder Cover choosing: It is better to use cast iron when cylinder cover also same function as guide sleeve, and melt brass, bronze or other wear-resisting material on the guide surface. If using the construct of pressing guide sleeve into cylinder cover, then the guide sleeve material should use wear-resisting cast iron, brass or bronze.

5. Seals
(1)Seals choosing: Good seal performance, low friction coefficient and small installation space of O-ring type Seals for low pressure, standard use our domestic brand. Middle-high pressure seals, we will use Y type, U type or V combined seals.

(2) Material:

Limited  Temp. -30ºC~110ºC -30ºC~135ºC -30ºC~120ºC -20ºC~200ºC -20ºC~240ºC -20ºC~320ºC -55ºC~260ºC

High Quality Weld Series Double Acting Agricultural Hydraulic Cylinder Hydraulic


Double Acting Hydraulic Cylinders can be divided into different kinds.

1. competive price with high quality

2. fast delivery time

3. ISO manufacturer can ensured the qualtiy

4. All material will inspect bofore using, avoid bad material.

5. Before shipping, will test again and again to ensure all products are OK

6. 1 year warranty.

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Certification: GS, CE, ISO9001
Pressure: Medium Pressure
Work Temperature: Normal Temperature
Acting Way: Double Acting
Working Method: Straight Trip
Adjusted Form: Switching Type
US$ 69/Piece
1 Piece(Min.Order)




hydraulic cylinder

How does a hydraulic ram contribute to efficient and powerful force generation?

A hydraulic ram utilizes specific design principles and mechanisms to generate efficient and powerful forces. Here’s a detailed explanation:

1. Water Hammer Effect: The hydraulic ram harnesses the water hammer effect to generate powerful forces. When water flows into the ram during the drive phase, it gains velocity and momentum. As the water reaches a certain pressure threshold, the valve mechanism rapidly closes, creating a water hammer effect. This sudden closure of the valve generates a high-pressure pulse that propels a portion of the water to a higher elevation, producing a powerful force.

2. Momentum Transfer: The hydraulic ram efficiently transfers the momentum of flowing water to generate force. The momentum of the moving water is converted into mechanical work as the water hammer effect occurs. By utilizing the kinetic energy of the water, the hydraulic ram maximizes the efficiency of force generation.

3. Energy Recovery: One of the key features of a hydraulic ram is its ability to recover and reuse energy. As the water hammer effect occurs and the high-pressure pulse lifts a portion of the water, the remaining water in the ram’s drive pipe decelerates. This deceleration allows the kinetic energy of the water to be converted back into potential energy, which can be used to pump a new cycle of water. This energy recovery mechanism enhances the overall efficiency of the hydraulic ram.

4. Mechanical Advantage: A hydraulic ram incorporates mechanical advantage through its design. The valve mechanism and other components are optimized to multiply the force generated by the water hammer effect. By leveraging mechanical advantage, the hydraulic ram can produce a more powerful force output compared to the input force from the flowing water.

5. Self-Sustaining Operation: A hydraulic ram operates in a self-sustaining manner, requiring minimal external power sources. Once the ram is set up and primed with water, it can continue to operate using the energy of flowing water. This self-sustainability contributes to the efficiency of force generation, as it eliminates the need for continuous external energy input.

6. Simple and Robust Design: The design of a hydraulic ram is relatively simple and robust, enabling efficient force generation. The absence of complex components reduces friction and energy losses. Additionally, the robust design ensures durability and long-term reliability, making hydraulic rams suitable for various applications.

Through the water hammer effect, momentum transfer, energy recovery, mechanical advantage, self-sustaining operation, and a simple yet robust design, a hydraulic ram maximizes the efficiency and power of force generation. These features make hydraulic rams an effective and reliable choice for pumping water and harnessing hydraulic power.

hydraulic cylinder

Can hydraulic rams be employed in material handling equipment for pushing or lifting?

Yes, hydraulic rams are commonly employed in material handling equipment for pushing or lifting operations. Here’s a detailed explanation:

1. Pushing Operations: Material handling equipment, such as forklifts, pallet jacks, or skid steer loaders, often require the ability to push heavy loads. Hydraulic rams are utilized in these machines to provide the necessary pushing force. The hydraulic ram is connected to the machine’s hydraulic system and applies force to a pushing mechanism, such as forks or blades, allowing the equipment to move and push materials efficiently. The force generated by the hydraulic ram enables smooth and controlled pushing operations, enhancing productivity in material handling tasks.

2. Lifting Operations: Hydraulic rams are extensively employed in material handling equipment for lifting heavy loads. Equipment such as cranes, scissor lifts, or hydraulic elevators utilize hydraulic rams as lifting mechanisms. The hydraulic ram, typically in the form of a hydraulic cylinder, is connected to the equipment’s hydraulic system and exerts force to raise or lower the load. By extending or retracting the hydraulic ram, the equipment can lift or lower materials with precision. The hydraulic system provides the necessary power and control for safe and efficient lifting operations.

3. Load Capacity and Control: Hydraulic rams are designed to handle a wide range of load capacities in material handling equipment. The size and specifications of the hydraulic ram are determined based on the required lifting or pushing force. By selecting the appropriate hydraulic ram, material handling equipment can effectively handle various loads, from light to extremely heavy. Additionally, hydraulic systems offer precise control over the movement of the hydraulic ram, allowing operators to lift or push materials with accuracy and control, minimizing the risk of damage or accidents.

4. Safety Features: Material handling equipment employing hydraulic rams often incorporate safety features to ensure safe operation. These features may include overload protection, safety valves, or locking mechanisms to prevent accidental movement or collapse of the hydraulic ram. Safety measures contribute to the safe and reliable use of hydraulic rams in material handling equipment, protecting both operators and the materials being handled.

5. Versatility and Adaptability: Hydraulic rams offer versatility and adaptability in material handling equipment. They can be integrated into various types of equipment, including mobile or stationary machines, and are suitable for different environments and industries. Hydraulic rams can be customized to meet specific requirements, such as stroke length, speed, or load capacity, ensuring optimal performance in material handling applications.

In summary, hydraulic rams are commonly employed in material handling equipment for pushing or lifting operations. They provide the necessary force, load capacity, and control to efficiently handle materials. With their safety features, versatility, and adaptability, hydraulic rams play a crucial role in enhancing productivity and safety in material handling processes.

hydraulic cylinder

What industries commonly use hydraulic rams in their operations?

Hydraulic rams find applications in various industries where the pumping of water or hydraulic power is required. Here’s a detailed explanation of the industries that commonly use hydraulic rams:

1. Agriculture: The agricultural sector extensively uses hydraulic rams for irrigation purposes. Hydraulic rams are employed in farms to pump water from natural sources, such as rivers or streams, to higher elevations for irrigation of crops. They provide a cost-effective and sustainable solution for water distribution in agricultural fields.

2. Water and Wastewater Management: Hydraulic rams are utilized in water and wastewater management industries. They are employed in water treatment plants to pump water through different treatment stages, facilitating the movement of water and treatment processes. Hydraulic rams are also used in wastewater management systems to pump wastewater to higher elevations for further treatment or disposal.

3. Construction: The construction industry utilizes hydraulic rams for various applications. They are commonly used in dewatering operations, where hydraulic rams help remove water from construction sites or excavations. Hydraulic rams also find applications in pile driving, where they provide the necessary force to drive piles into the ground.

4. Mining: Hydraulic rams are employed in the mining industry for dewatering purposes. They are used to remove water from mines or excavations, ensuring a safe and dry working environment. Hydraulic rams play a crucial role in preventing flooding and maintaining productivity in mining operations.

5. Environmental and Aquaculture: Hydraulic rams have applications in environmental and aquaculture industries. They are utilized in fish passage systems to help fish migrate upstream by creating water flows and elevations. Hydraulic rams are also employed in water circulation systems in aquaculture facilities, ensuring proper oxygenation and water quality for aquatic organisms.

6. Renewable Energy: Hydraulic rams play a role in the renewable energy sector, particularly in micro-hydropower systems. They are used to convert the energy of flowing water into mechanical power to drive turbines or generators, producing electricity in off-grid locations or areas with access to a reliable water source.

7. Rural and Remote Areas: Hydraulic rams are commonly used in rural and remote areas where access to electricity or conventional pumping systems is limited. They provide a sustainable and efficient solution for water supply, irrigation, and other pumping needs in such locations.

These industries demonstrate the versatility and broad application of hydraulic rams in various fields, where they serve as an effective and reliable method for pumping water and harnessing hydraulic power.

China Good quality Customized Double Acting Hydraulic RAM   supplier China Good quality Customized Double Acting Hydraulic RAM   supplier
editor by CX 2024-02-14