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Precision Hydraulic Rotary Actuators for Demanding Applications

Engineered for high torque, durability, and seamless integration. Chiyu Hydraulics delivers reliable motion control solutions trusted in construction, mining, marine, and industrial sectors.

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102
Employees
35,000
㎡ Factory Area
27,000
㎡ Building Area
10,000
Monthly Capacity (Sets)

About Chiyu Hydraulics

Changsha Chiyu Hydraulic Equipment Co., Ltd. is a professional manufacturer engaged in the development and production of hydraulic rotary actuators. Established in 2019 in Changsha — the manufacturing capital of China — we combine cutting-edge R&D with a global sales and service network.

Our mission is to deliver high-performance, reliable hydraulic motion solutions that enhance efficiency and durability across industrial, construction, marine, and energy applications.

Strong R&D Capability
Precision Machining
Quality Control Systems
Exported to 29+ Countries
Chiyu Hydraulics Factory

Our Products

High-performance hydraulic rotary actuators and tilt quick couplers designed for durability, precision, and seamless integration.

CY1 Series Rotary Actuator

CY1 Series Rotary Actuator

Compact helical design for high torque output in limited spaces. Ideal for industrial machinery and mobile equipment.

  • Torque: Up to 15,000 Nm
  • Max Pressure: 250 bar
  • Rotation Angle: 90°–360°
CY2 Series Rotary Actuator

CY2 Series Rotary Actuator

Heavy-duty helical spline design for continuous rotation and maximum durability in construction and mining.

  • Torque: Up to 30,000 Nm
  • Max Pressure: 300 bar
  • 360° Continuous Rotation
CY4 Series Rotary Actuator

CY4 Series Rotary Actuator

High-efficiency model with integrated seals and corrosion-resistant housing for marine and offshore use.

  • IP67 Protection Rating
  • Salt Spray Tested
  • Torque: Up to 25,000 Nm
CY6 Series Rotary Actuator

CY6 Series Rotary Actuator

Ultra-high torque actuator for mining and heavy-duty attachments. Reinforced housing and dual sealing system.

  • Torque: Up to 50,000 Nm
  • Shock Load Resistant
  • Extended Service Life
CY5 Series Tilt Quick Coupler

CY5 Series Tilt Quick Coupler

Fast-acting hydraulic coupler with 360° rotation and automatic locking mechanism for excavators and loaders.

  • Quick Tool Change
  • Integrated Tilt Function
  • Flow Rate: 150–300 L/min
Custom Hydraulic Solutions

Custom Design Services

We offer OEM/ODM solutions tailored to your application. From concept to production, we deliver precision.

  • Full R&D Support
  • Prototyping & Testing
  • Global Compliance
High-Pressure Actuator

High-Pressure Models

Designed for extreme environments with pressures up to 350 bar. Ideal for energy and military applications.

  • Max Pressure: 350 bar
  • Military-Grade Seals
  • Temperature Range: -40°C to +120°C
Compact Actuator

Compact Series Actuators

Space-saving design for integration into tight spaces without sacrificing performance.

  • Lightweight Aluminum Housing
  • Torque: 5,000–12,000 Nm
  • Easy Mounting Options

Applications Across Industries

Our hydraulic rotary actuators are engineered to perform in the most demanding environments.

Industrial Machinery

Agriculture

Construction Attachments

Municipal Vehicles

Energy

Marine

Material Handling

Military

Mining / Heavy Duty

Excavator/Truck/Trailer

Our Services

From design to after-sales support, we ensure seamless integration and long-term reliability.

7x24 Support

Global technical assistance available around the clock for troubleshooting and guidance.

One-Year Shelf Life

Extended shelf life guarantee and support during the usage period.

Global Delivery

Fast and reliable shipping to over 29 countries with local support.

Custom Design

Tailored hydraulic solutions designed and manufactured to your specifications.

Frequently Asked Questions

How does a hydraulic rotary actuator work?

It converts hydraulic pressure into rotational motion using a helical spline or piston mechanism, delivering high torque in a compact design.

Can your actuators perform 360° continuous rotation?

Yes, models like the CY2 and CY6 series support continuous 360° rotation for applications requiring full articulation.

Do you offer OEM services?

Yes, we provide full OEM/ODM services including custom design, prototyping, and volume production.

What is the warranty period?

We offer a standard one-year warranty with extended support options available.

Get in Touch

Have questions or need a custom solution? Our team is ready to assist you.

+86-186-6934-0800
[email protected]
Changsha, Renmin Road 2D（E）169, China
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