WEITAI Hydraulic is a market-leading mobile hydraulic supplier in China, backed by decades of industrial manufacturing expertise. From our foundational beginnings fabricating OEM hydraulic cylinders for North American and European OEM partners, we have scaled dynamically into a fully integrated global manufacturing enterprise.
Our core mission revolves around engineering precision and performance stability. Leveraging state-of-the-art testing systems, our specialized ISO-certified production facilities utilize raw material suppliers who hold globally recognized certifications including CE, RoHS, CSA, and UL. This guarantees that every helical actuator leaving our floor matches and exceeds global standards.
Whether for earthmoving machinery, subsea equipment, municipal fleets, or aerial platforms, we supply solutions customized strictly to client blueprints.



At the heart of WEITAI's technological capability is our veteran team of R&D engineers, fluid dynamics specialists, and quality control officers. We dedicate ourselves purely to mobile hydraulics, studying customer workflows to optimize structural dynamics and minimize seal degradation. By combining deep scientific theory with real-world application metrics, our team provides swift technical feedback and custom-tailored layouts to global buyers.
The L30 series hydraulic rotary actuator represents the pinnacle of compact fluid power design, widely celebrated for its helical gear configuration. This mechanism relies on sliding splines to convert the linear reciprocating motion of a hydraulic piston into powerful shaft rotation. By deploying multiple helical gears with aggressive thread angles, the actuator is able to deliver immense rotational torque from an exceptionally slim radial footprint.
Unlike conventional cylinders with external linkages, the helical configuration maintains uniform torque throughout the entire rotational arc. Our models span output ranges from 600 Nm up to 24,000 Nm, maintaining zero-drift operational stability at all times.
By integrating structural bearings directly into the actuator frame, the L30 series eliminates external support elements. This makes it perfect for narrow work platforms, excavation attachments, and tight vehicle configurations.
Designed with a native hydraulic fuse capability, these units act as a mechanical buffer. Under extreme, unpredictable impact loads, they allow backdriving, which redirects excessive mechanical stress back into the hydraulic system.
Understanding the operating variables is crucial for senior sourcing professionals. Below are the key engineering specifications that make our series a direct, high-durability drop-in replacement for Helac-type actuators:
As global manufacturers seek resilience and cost-efficiency in their supply chains, the Chinese hydraulic cluster has undergone a major technological leap. Buying L30 Series actuators directly from WEITAI offers major advantages:
Our factories leverage high-tensile alloy steels, processed through CNC spline-grinding machinery and computerized induction heat-treatment. This guarantees the internal helical teeth possess deep case-hardening with a ductile core to prevent fracture under shock loads.
Every single helical actuator is subjected to 100% dynamic load testing on custom hydraulic test benches before packaging. We inspect for zero bypass-leakage, speed consistency, torque profiles, and pressure retention.
Operating out of China’s premier industrial zone allows us to source certified, world-class seals, valve components, and forgings instantly. This helps reduce lead times to just 20-30 days for bulk orders.
The compact, high-torque nature of the L30 Series enables engineers to simplify mechanical designs across major global industries:
Our focus on quality control and global supply chain logistics has made us a trusted supplier for engineering teams in over 40 countries.
We work closely with global procurement divisions to streamline design integration. Our engineering department can adapt standard templates to meet specific requirements:
Provide your dimensional constraints, torque demands, and mounting requirements. We will supply detailed 3D CAD files for direct integration testing in your system blueprints.
For extreme temperatures or specialty fluids, we offer optional seal packages (Viton, polyurethane) and counter-balance valve blocks to ensure safety.
We manage custom packaging, shock-protective transport frames, export certification filings, and direct marine or air shipping to your assembly line.
Take a virtual tour of our facilities to see the step-by-step production of our helical rotary actuators.
The hydraulic industry is shifting toward smart, efficient, and lightweight components. WEITAI is leading this transformation through several core initiatives:
Modern machinery requires real-world telemetry. We are developing L30 variations with integrated digital angle-encoders and pressure sensors, allowing control systems to monitor positional data with sub-degree accuracy.
Environmental regulations require the use of biodegradable synthetic hydraulic fluids. Our seal configurations are formulated to resist chemical degradation from green oils, maintaining seal integrity over long service cycles.
By utilizing physical vapor deposition (PVD) and advanced nitrocarburizing on sliding teeth interfaces, we significantly lower internal friction and reduce wear during high-load startups.
Get in touch with our engineering team for design reviews, custom pricing, and technical support. We respond to all inquiries within 24 business hours.
Contact WEITAI Specialist