Custom Double Ended Hydraulic Cylinder Manufacturer
Every hydraulic cylinder is fully inspected before delivery.
MOQ starts from 1 piece, and custom orders typically ship within 3-7 working days.
Send us your drawings, we will do a technical review and give you a detailed quotation.
Brands We Serve in Hydraulic Industry
Double Ended Hydraulic Cylinder
Double-ended hydraulic cylinders have piston rods extending from both ends, converting hydraulic energy into mechanical energy. Compared with standard single-rod cylinders, they work on both sides with equal effective area, delivering equal force and speed in both directions, and support more installation options. They are widely used in lifting platforms, double-sided machine tool clamping, and material handling.
Material selection depends on actual working conditions, in high-pressure environments, use structural steels such as 27SiMn and 25CrMo to improve cylinder strength and shock resistance. Seals are typically made of NBR or FKM to ensure long-term sealing performance, reduce internal leakage, and extend service life.
We use push-boring and honing with high-precision coaxial control for long-term reliable performance, products can also be made to your drawings.
Your Reliable Supplier of Double Ended Hydraulic Cylinder
Double-ended cylinders are used to solve uneven speed and force output in both directions during reciprocating motion. Because they need to handle symmetrical loads and frequent cycling, the axiality of the piston rods and the side-load capacity of the guide bushings must have high requirements.
Double-ended hydraulic cylinder is our main product, we have served customers in many industries and got rich experience. According to the customer ‘s requirements, we focus on key factors like the actual working environment and available installation space to make sure efficient operation under actual working conditions. We use one-piece cylinder tubes and combined sealing system, this keeps the cylinder stable under frequent bi-directional operation and prevents deformation and leakage under high pressure.
We conduct a technical evaluation based on your drawings and actual working conditions. If needed, we recommend suitable structure and sealing solution. Deliver stable and highly-adaptable hydraulic products for you.
Double Ended Hydraulic Cylinder
Applications of Double Ended Hydraulic Cylinder
Lifting Platform Balance System
Double-rod hydraulic cylinders are used in lifting platform equipment, through both piston rods extend at the same time, they deliver equal upward thrust to both sides of the platform so it rises smoothly, when the rods retract together, the platform lowers evenly. Because the balanced force output on both ends, side-loading during lifting is avoided, improving safety for operators.
Steering or Push-Pull Mechanism for Material Handling Vehicles
Double-ended cylinders are also widely used in material handling and push-pull equipment. The cylinder drives both piston rods to extend and retract at the same time. When extending, they push the forks to lift and position the load. When retracting, they bring the forks back for unloading. Featuring a compact and symmetrical structure, the cylinder takes up little space to improve space utilization, making it suitable for warehouse equipment with limited installation room.
Workpiece Clamping and Positioning for Machine Tools
Double-rod cylinders are used for workpiece clamping and positioning on machine tools,the piston rods connect to clamping arms on both sides, when oil is supplied, both rods extend together to clamp the workpiece. After machining, they retract together to release it.Double-rod cylinder Provide equal force and speed in both directions, so the workpiece is clamped precisely and improve production efficiency .
Pusher for Automatic Packaging Line
Double-rod hydraulic cylinders are widely used in pusher devices of automatic packaging lines, with both piston rods moving in sync, they quickly push boxes and pallets into place and return them, correct material offset. The cylinders have smoothly and precisely ablility with great repeatability, keeping packages from shifting during transport.
Active Vehicle Suspension Adjustment System
Double-rod hydraulic cylinders are used in the active suspension adjustment system of special vehicles; they connect to the chassis frame and suspension arms. By extending and retracting both rods in sync, they adjust the ride height and cushion road impacts to keep the vehicle stable. Delivering balanced force and speed with strong load-bearing capacity, the double-rod cylinders absorb impact forces and ensure stable driving even on rough road conditions.
Marine Rudder
Double-rod cylinders are used in marine steering gears, installed inside the steering gear room and connected to the rudder stock, when worked, they drive the rudder blade to turn, changing the vessel's direction. Made of corrosion-resistant materials with weather-proof seals, these hydraulic cylinders stand up to heavy salt and corrosion at sea, keep the equipment running reliably and extend service life.
Piston Rod Extension not Fully Synchronized
Double-rod hydraulic cylinders have manufacturing mistakes, different resistance and load forces during working will cause the two piston rods to move out of sync. These errors keep adding and may eventually tilt or jam the working platform and deform workpieces. Such issues are hard to detect and bring serious safety risks.
When we select the cylinders, we will provide suitable solutions for working conditions, such medium accuracy, we use synchronous motors, for high accuracy, we use sensors and proportional valves, to make sure the cylinders work efficiently under actual conditions. Before delivery, we carry out multi-cylinder linkage tests simulating real-world working conditions to improve coordination accuracy and help avoid tilting and jamming during later operation.
Piston rod prone to bending under side load
Long-stroke double-rod cylinders are prone to lateral forces from various factors. if the cylinder is forced to act as a guide, the piston rod bears both axial thrust and radial force. Over time, this can bend and damage the piston rod, speed up wear on seals and guide sleeves, and lead to internal leakage.
Face this problem, we design our double-rod cylinders with longer guide sections and higher support stiffness, fitted with high-strength copper-alloy guide sleeves and hard-chromed piston rods, the cylinders can better resist lateral loads in long-stroke applications and reduce piston-rod wear. We also pay close attention to mounting methods, recommend joint bearings or spherical connections. This prevents the piston rod from taking the full offset load, lowers the risk of piston-rod bending, and extends cylinder service life.
High leakage risk in Double Ended Hydraulic Cylinder
Double-rod cylinders have two piston rod seals, which means more sealing points than single-rod types, the two ends often work in different environments, so the two sets of seals age at different rates, making checking difficult. In addition, rod deformation caused by lateral forces during long-stroke operation can wear the cylinder body, easily leading to oil leakage and raising safety and environmental concerns.
To solve these high-leakage risks, we use combined sealing solutions that integrate composite guiding and multi-sealing technologies to improve the cylinder’s sealing performance. We also focus on preventive monitoring, bulit a leak-detection hole into the cylinder head to spot abnormal conditions early and prevent major oil-leak failures that would affect working.
Certifications
REACH Certificate
ISO 9001 Certificate
ISO 14001 Certificate
Certificate of Conformity
Why Work with Us
Smooth Bidirectional
We strictly control the preload and clearance of the guide bushings at both ends to avoid asymmetric resistance. The piston uses a symmetrical seal arrangement to balance friction in both directions, ensuring reliable synchronous reciprocating motion.
Long-life sealing
Select different seal combinations based on working conditions to prevent damage from high temperature and salt, delay aging, This slows down seal aging and effectively reduces the risk of internal and oil leakage.
Precise positioning
Select low-friction seal combinations and strictly control friction pressure differences. Choose the optimal clearance to avoid leakage or slow response caused by too-large or too-small gaps, ensuring the cylinder’s positioning accuracy and consistent repeat performance.
Timely after-sales service
Have an efficient after-sales response system. We deliver quick solutions and guidance when service requests come in. Our knowledgeable team can identify faults rapidly, shortening equipment downtime and reducing customers’ production losses.
How to Customize Your Double Ended Hydraulic Cylinders
Send Your Drawing
Provide us the detailed drawing or physical sample or critical dimensions, working pressure, mounting details.
Working Environment
Whether the cylinders works in high temperature, humidity, salt spray, dust and high frequency, pressure.
Get Quick Quote
We review all details of drawing and requirements and provide optimization suggestions with our experiences if necessary.
Production Procedure
Integral forging
Turning
Induction hardening
Cylinder barrel turning
Welding
Assembly
Dimensional measurement
Pressure test
Get Free Quote Today!
You'll receive a comprehensive Technical Quote Package, including:
- Customized Quote: Transparent pricing in EXW/FOB/CIF.
- Technical Data Sheet: Material specs, seal brands, and surface treatment details.
- Lead Time & Logistics: Precise production schedule and shipping estimates.