Double Acting Hydraulic Cylinder
ZHY supplies custom Double Acting Hydraulic Cylinders for construction machinery, agricultural equipment, mining machines, lifting systems, and industrial automation. As a China Manufacturer, Supplier, Factory, and wholesale partner, we help you match bore, stroke, pressure, mounting, seals, and drawings to your equipment needs.
Double Acting Hydraulic Cylinder Manufacturer in China
If you are sourcing a reliable Double Acting Hydraulic Cylinder Manufacturer in China, you need a supplier that understands both hydraulic performance and real equipment conditions. A cylinder may look simple from the outside, but small differences in bore tolerance, rod hardness, seal quality, welding strength, and pressure testing can directly affect machine stability, leakage risk, and service life.
ZHY manufactures double acting hydraulic cylinders for global buyers who need stable quality, flexible customization, and practical factory support. Whether you are purchasing for OEM production,machinery assembly, or wholesale distribution, you can work with ZHY as your long-term Double Acting Hydraulic Cylinder Supplier and custom hydraulic cylinder factory.
You can choose ZHY when you need customized dimensions, stable delivery, drawing-based manufacturing, and export-ready service from a China hydraulic cylinder factory. Instead of offer you a cylinder, we help you confirm the right structure, pressure range, mounting type, seal brand, rod material, and application suitability before production.If your equipment requires frequent extension and retraction, heavy load movement, or precise bidirectional force, a double acting hydraulic cylinder is usually the better choice than a single acting cylinder. For buyers, the wrong cylinder can cause slow movement, unstable lifting, oil leakage, premature seal failure, and costly downtime. ZHY helps you reduce these risks from the beginning.
What Is a Double Acting Hydraulic Cylinder?
A Double Acting Hydraulic Cylinder is a hydraulic actuator that uses hydraulic pressure on both sides of the piston to move the piston rod forward and backward. Unlike a single acting cylinder, which usually relies on spring force or external load for return movement, a double acting cylinder uses oil pressure for both extension and retraction.
For you, this means better control, stronger bidirectional movement, and more stable performance in demanding machinery. Double acting hydraulic cylinders are widely used in construction equipment, agricultural machines, mining equipment, material handling systems, marine equipment, industrial production lines, and many other hydraulic systems.
You should consider a double acting hydraulic cylinder when your equipment needs controlled movement in two directions, repeated cycles, stable force output, or reliable retraction under load. If your machine cannot depend on gravity or spring return, double acting design is usually the safer and more efficient option.
As a China Double Acting Hydraulic Cylinder Manufacturer and Supplier, ZHY provides both standard and custom cylinder solutions for OEM, machinery manufacturers, and wholesale hydraulic parts distributors.
How Does a Double Acting Hydraulic Cylinder Work?
A double acting hydraulic cylinder works by directing hydraulic oil into either side of the piston. When oil enters one chamber, the piston rod extends. When oil is directed into the opposite chamber, the piston rod retracts. This controlled oil flow allows the cylinder to generate force in both directions.
For your equipment, this means the cylinder can push and pull with hydraulic power instead of relying on external return force. This is especially important when your machine needs stable lifting, pressing, clamping, tilting, steering, opening, closing, or positioning movement.
The working process is simple but the manufacturing quality is not simple. If the tube is not properly honed, the rod surface is not hard enough, the seals are not suitable, or the welding is weak, the cylinder may suffer from leakage, unstable movement, pressure loss, or shortened service life. That is why choosing a professional Double Acting Hydraulic Cylinder Factory matters.
ZHY controls cylinder design, machining, welding, assembly, and pressure testing to help you receive a reliable product before shipment. For wholesale orders or OEM projects, this reduces after-sales risk and helps your customers trust your equipment.
Key Features of ZHY Double Acting Hydraulic Cylinders
Two-Way Force Output
ZHY double acting hydraulic cylinders provide force during both extension and retraction. If your equipment needs stable push-and-pull motion, this design gives you better control than single acting cylinders.
Customizable Structure
You can customize bore diameter, stroke length, rod diameter, mounting style, tube material, seal brand, and working pressure. This helps you avoid poor fitment and makes the cylinder more suitable for your exact equipment.
Stable Sealing Performance
We use suitable sealing systems according to your operating pressure, temperature, oil type, and working environment. Better sealing reduces oil leakage, pressure loss, and maintenance frequency.
High-Strength Rod and Tube
The cylinder rod and tube are selected for strength, wear resistance, and durability. A stable rod surface and honed tube help improve movement smoothness and extend service life.
Heavy-Duty Application Support
ZHY double acting hydraulic cylinders are suitable for demanding applications such as construction machinery, agricultural equipment, mining machines, lifting devices, and industrial automation systems.
Flexible OEM and Wholesale Supply
If you are a machinery manufacturer, hydraulic parts distributor, or wholesale buyer, ZHY can support batch production, OEM branding, packaging customization, and consistent supply from our China hydraulic cylinder factory.
Drawing-Based Production
You can provide drawings or samples, and we can manufacture according to your technical requirements. This is useful when you need replacement cylinders, custom equipment parts, or special installation dimensions.
Quality Inspection Before Delivery
Each cylinder can be checked through dimensional inspection, seal inspection, pressure testing, and appearance inspection before delivery. This helps reduce receiving risk and installation problems.
Technical Specifications
The following specifications can be customized according to your application, drawing, and working conditions.
| Item | Range |
|---|---|
| Bore Diameter | 25mm – 500mm |
| Stroke Length | Up to 5000mm |
| Working Pressure | 16MPa – 35MPa |
| Rod Diameter | Custom |
| Mounting Type | Clevis / Flange / Trunnion |
| Tube Material | ST52 / CK45 |
| Rod Material | Hard Chrome Steel |
| Seal Brand | NOK / Parker / Hallite |
| Temperature Range | -20°C to +120°C |
These specifications are only a common reference. If you need a Double Acting Hydraulic Cylinder Supplier for special equipment, high-frequency movement, harsh outdoor conditions, or non-standard installation space, ZHY can help you confirm the right parameters before production.
If your buyer only gives you a sample or an old cylinder, you can also send photos, dimensions, and working pressure information. ZHY can help you evaluate whether a custom replacement cylinder is possible.
Double Acting Hydraulic Cylinder Applications
ZHY double acting hydraulic cylinders are designed for equipment that needs controlled movement, stable power output, and reliable operation. If you are buying for OEM production, equipment maintenance, machinery assembly, or wholesale hydraulic parts supply, you can select cylinders based on your application environment.
Construction Machinery
Double acting hydraulic cylinders are widely used in excavators, loaders, cranes, bulldozers, and other construction equipment. They help control lifting, tilting, pushing, steering, and positioning movements. If your equipment works under heavy load and frequent cycles, you need a cylinder with strong pressure resistance and stable sealing.
Agricultural Equipment
Agricultural machines often work in dusty, wet, and high-load environments. ZHY cylinders can be used for tractors, harvesters, seeders, trailers, and other agricultural machinery where reliable extension and retraction are required.
Mining Equipment
Mining applications require cylinders that can handle impact, vibration, dust, and heavy working conditions. A poor-quality cylinder can lead to leakage, breakdown, and production delay. ZHY helps you choose stronger materials, reliable seals, and suitable pressure design for mining machinery.
Material Handling
Forklifts, lifting platforms, scissor lifts, dump trucks, and handling equipment often rely on double acting hydraulic cylinders for stable lifting and controlled movement. If you need smooth motion and safe operation, cylinder quality is not the place to “save a few coins and lose the whole machine.
Marine Systems
Marine and port equipment may require cylinders with stronger corrosion resistance and stable sealing performance. For applications exposed to humidity, salt air, or outdoor operation, ZHY can help you select suitable surface treatment and sealing options.
Industrial Automation
Double acting hydraulic cylinders are used in production lines, pressing systems, clamping devices, positioning equipment, and automated machinery. For industrial automation, precision, repeatability, and stable output are especially important.
Double Acting Hydraulic Cylinder Mounting Types
The mounting type affects how the cylinder connects to your equipment and how force is transferred during operation. Choosing the wrong mounting method can cause installation difficulty, uneven stress, unstable motion, or premature damage. ZHY helps you match the mounting type to your machine structure.
Clevis Mount
Ideal for pivoting connections, clevis mount cylinders work well in lifting arms, agricultural machinery, and construction equipment where the cylinder angle changes during movement.
Flange Mount
Flange mount cylinders provide a strong and stable fixed connection. If your equipment needs direct force output with a solid mounting base, flange mounting can be a practical choice.
Trunnion Mount
Trunnion mount cylinders allow pivoting movement around the trunnion axis. This mounting type is often used when the cylinder must rotate slightly during operation while still maintaining strong support.
Foot Mount
Foot mount cylinders are installed through base-mounted feet. They are often used in industrial equipment where the cylinder needs to be fixed to a frame or platform.
Rod End Mount
Rod end mounting helps connect the piston rod to moving parts of the machine. You can choose different rod end structures depending on the connection design, load condition, and movement direction.
Manufacturing Support Includes
| Capability | What It Means for You |
|---|---|
| CNC Machining | Helps ensure accurate dimensions and stable part consistency. |
| Tube Honing | Improves inner surface smoothness and piston movement. |
| Rod Processing | Supports wear resistance and stable sealing performance. |
| Welding & Assembly | Helps improve structural strength and durability. |
| Seal Installation | Reduces leakage risk and improves service life. |
| Pressure Testing | Confirms cylinder performance before delivery. |
| OEM Production | Supports your brand, drawings, packaging, and batch supply. |
| Export Packaging | Helps protect cylinders during international shipping. |
Built with Industrial-Grade Materials
A double acting hydraulic cylinder works under pressure, friction, load, oil flow, and repeated movement. If the material is weak, the cylinder may bend, wear quickly, leak oil, or fail during operation. ZHY uses industrial-grade materials to help improve cylinder strength, service life, and working stability.
You can select tube material, rod material, seal brand, surface treatment, and other components based on your equipment requirements. For common hydraulic applications, materials such as 20# steel, 45# steel, hard chrome steel rods, and quality sealing systems can provide reliable performance.
If your cylinder is used outdoors, in dusty environments, high-load equipment, or frequent-cycle systems, material selection becomes even more important. ZHY can help you match the material structure to your application instead of a “one-fits-all” cylinder.
For machinery brands and wholesalers , stable material quality also helps reduce complaint rates, replacement costs, and after-sales pressure.
Precision Machining & Quality Inspection
Precision machining is one of the key reasons a double acting hydraulic cylinder performs smoothly. If the bore surface is rough, the rod is poorly processed, or the dimensions are unstable, the cylinder may move unevenly, damage seals, or lose pressure.
ZHY controls important production steps such as tube processing, rod machining, welding, assembly, and testing. Before delivery, cylinders can be inspected for dimensions, sealing performance, pressure resistance, appearance, and movement smoothness.
Our Quality Inspection Focus
| Capability | What It Means for You |
|---|---|
| CNC Machining | Helps ensure accurate dimensions and stable part consistency. |
| Tube Honing | Improves inner surface smoothness and piston movement. |
| Rod Processing | Supports wear resistance and stable sealing performance. |
| Welding & Assembly | Helps improve structural strength and durability. |
| Seal Installation | Reduces leakage risk and improves service life. |
| Pressure Testing | Confirms cylinder performance before delivery. |
| OEM Production | Supports your brand, drawings, packaging, and batch supply. |
| Export Packaging | Helps protect cylinders during international shipping. |
Frequently Asked Questions
A single acting hydraulic cylinder uses hydraulic pressure in one direction and usually relies on spring force, gravity, or external load for the return movement. A double acting hydraulic cylinder uses hydraulic pressure for both extension and retraction. If your equipment needs controlled movement in both directions, stronger return force, or stable push-and-pull action, a Double Acting Hydraulic Cylinder is usually the better choice.
ZHY can use sealing materials according to your working pressure, oil type, temperature range, and application environment. Common options may include sealing systems from brands such as NOK, Parker, Hallite, or other suitable seal suppliers. If your equipment works in high pressure, dust, heat, or frequent-cycle conditions, we can help you choose a more suitable seal solution before production.
Before delivery, ZHY can inspect the cylinder dimensions, assembly quality, sealing performance, pressure resistance, rod movement, surface finish, and appearance. Pressure testing is especially important because it helps confirm whether the cylinder can work safely under the required working pressure. For OEM and wholesale orders, this helps you reduce receiving risk and after-sales problems.
Yes. ZHY supports drawing-based manufacturing. You can send drawings, samples, equipment photos, old cylinder dimensions, or technical requirements. Our factory team can help you review bore size, stroke length, rod diameter, mounting type, pressure level, and seal structure before production.
Yes. If you are a machinery manufacturer, distributor, or wholesale hydraulic parts buyer, ZHY can support OEM branding, customized labels, product identification, packaging, and batch production. This helps you build your own market identity while sourcing from a reliable hydraulic cylinder factory in China.
You should provide bore diameter, stroke length, rod diameter, working pressure, mounting type, total length, application, quantity, and drawings if available. If you do not have complete drawings, you can send photos and key measurements. The more accurate your information is, the faster ZHY can recommend the right double acting hydraulic cylinder solution.
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