Flange Mount Hydraulic Cylinder

Cylinder Barrel: The main body of the cylinder where the hydraulic fluid is contained and the piston moves back and forth.

Piston: A disc or short cylinder fitting closely within the barrel that separates the two sides of the cylinder and moves under fluid pressure.

Piston Rod: The rod that extends from the piston through the rod-end head, transferring the linear motion to the application.

Rod-end Head: The end of the cylinder from which the piston rod exits, typically containing the rod seal and wiper.

Flanges: These are the protruding rims, edges, ribs, or collars used to strengthen the attachment to the barrel or heads, providing a surface for mounting the cylinder to a fixed point.

Bearings: These reduce friction and support the radial loads that the piston and rod may be subjected to during operation.

Ports: Inlets and outlets on the cylinder barrel or end caps through which the hydraulic fluid enters or exits.


Flange mount hydraulic cylinders are characterized by flanges on the cylinder block or head. These flanges provide a strong and stable surface for mounting the hydraulic cylinder to a fixed point on machinery or equipment. This design allows forces to be applied in a linear direction, which is critical for tasks that require high power push and pull.

Flange mounted cylinders are typically used in applications where cylinders must be secured in place, such as presses, lifts and manufacturing equipment. The flange itself is usually bolted to a surface or machine frame to ensure that the cylinder stays in line with the force axis during operation, which is critical to maintaining efficiency and preventing the cylinder from being overstressed.

These cylinders can withstand high working pressures and loads, making them suitable for heavy-duty industrial applications. Flange-mounted hydraulic cylinders can be customized to meet specific requirements, including a variety of bore sizes, stroke lengths and mounting configurations.


Stable Mounting: The flange provides a rigid and stable method of mounting the cylinder, which is essential for applications requiring precise alignment and minimal movement at the base.

High Force Application: Flange mount cylinders are capable of handling high force applications due to the direct transfer of force through the flange to the machine structure.

Compact Design: This mounting style can be more compact, as it does not require additional space for attachments like foot mounts or clevis mounts.

Ease of Installation: The flange allows for easier installation and removal from machinery, as it can be directly bolted onto the machine frame.


Manufacturing Equipment: In presses and injection molding machines where precise, linear force is required.

Mobile Equipment: Such as in excavators and loaders where the flange can be mounted directly to the frame for lifting or digging operations.

Material Handling: For forklifts, pallet jacks, and conveyor systems where stable lifting and lowering of heavy loads are crucial.

Marine Applications: On ships and docks for operating heavy doors, hatches, and cranes in a corrosive marine environment.

Flange Mount Hydraulic Cylinder

At the outset, precise specifications are determined based on the intended application. High-grade materials are used for the cylinder, piston, piston rod and flange to ensure durability and performance. The design is then put into practice through precision machining, where components such as cylinder barrels and pistons are machined to exact dimensions, and flanges are machined in one piece or welded to the cylinder.

Once the individual components have been manufactured, surface treatments such as honing of the cylinder barrel and chrome plating of the piston rod to improve wear resistance are carried out. This is followed by an assembly process where seals and bearings are carefully fitted to ensure leak-free operation and smooth movement. The cylinders are then subjected to rigorous pressure resistance and functionality tests to meet stringent quality standards before they are deemed ready for delivery to customers.

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Topa's Customized Services

Topa’s customized services are designed to meet the unique requirements of each client. We begin with a thorough consultation to understand the specific needs of the application. You can specify parameters such as bore size, rod diameter, stroke length, hydraulic fluid type and operating pressure.

With this information, Topa’s manufacturing capabilities allow for a wide range of customization, from special coatings and sealing materials for extreme temperatures or corrosive environments, to the incorporation of sensors and other technologies for smart cylinder functionality.

Once the design is finalized, Topa produces the cylinder using high quality materials and state-of-the-art manufacturing techniques. Each customized cylinder undergoes rigorous testing to ensure it meets the customer’s operational requirements and service life expectations.

Topa is committed to providing every customer with the best possible shopping experience, so you are welcome to contact us!

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