Engineered for high load-bearing capacity, extreme environmental sealing, and precise positioning in local industrial projects.
Heavy-duty helical rotary actuator offering exceptional output torque and compact housing design.
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High torque performance with OEM & ODM quality customization options for diverse regional equipment.
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Compact footprint, optimal for light-to-medium industrial applications and specialized utility trucks.
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Foot-mounted design engineered to withstand massive shock loads and deliver maximum torque outputs.
View Technical DetailsWEITAI Hydraulic is one of the leading mobile hydraulic suppliers in China with decades of experience. We are committed to providing excellent hydraulic products and services to both businesses and final users worldwide.
Starting from the production of OEM Hydraulic cylinders for North American Customers, we have grown to be an integrated company of manufacturing, trading, and investing. The hydraulic rotary actuator is one of our main products. Our factory is ISO certified and our material suppliers have all obtained CE, RoHS, CSA and UL certificates. We can design and customize according to drawings to meet the diverse needs of customers.
Tailoring high-integrity fluid power engineering to the specific requirements of Saint Lucia's leading port capital.
As the primary economic hub of Saint Lucia, the port city of Castries demands robust machinery that operates seamlessly under heavy marine exposure and tropical atmospheric conditions. The Port of Castries, featuring deepwater facilities at Point Seraphine and La Toc, processes high volumes of cargo ship berthing, containerized shipping, and cruise vessel dock infrastructure. Hydraulic actuators operating in this environment face intense humidity, salt-spray exposure, and demanding duty cycles.
Our WL20 Series Helical Hydraulic Rotary Actuators are specifically engineered to address these local operational challenges. With options for marine-grade epoxy coatings, polyurethane rod wipers, and high-ingress protection (IP) seals, our rotary cylinders maintain structural integrity where standard linear systems fail. Whether powering automated passenger boarding ramps at cruise ship terminals, steering mechanisms for harbor tugs, or articulation booms for local infrastructural developments, WEITAI provides the exact mechanical match required to ensure zero-downtime performance in Castries.
Ideal for container cranes, cargo handling arms, dock ramps, and high-frequency positioning systems in marine environments.
Powering trash compactor dump systems, utility aerial lifts, and structural road construction equipment in hilly Caribbean terrains.
Resistant to agricultural chemicals and organic corrosives, providing clean, oil-tight holding power for long lifecycles.
Advancing fluid power design with innovative materials, smart electronics integration, and environment-friendly fluids.
Traditional hydraulic systems struggle with drift and mechanical backlash. WEITAI’s engineering pipeline utilizes advanced helical gear kinematics, focusing on increasing spline contact ratios. This guarantees zero internal leakage and eliminates external braking systems, reducing total bill-of-materials for developers.
Our technical roadmap focuses heavily on smart IoT sensor integration. Future revisions of the WL20 and WL30 series will feature digital rotary encoders and oil pressure transducers embedded directly within the actuator housing, allowing real-time monitoring of torque outputs and seal degradation curves.
Global presence, certified quality standards, and industry-recognized product reliability.
High torque, high bearing capacity in extremely compact footprints, replacing complex mechanical linkage systems.
Enclosed moving parts protect internal components from harsh dust, salt water, and ambient tropical moisture.
High power density fits easily into tight structural envelopes, optimizing space on boom arms and under-carriages.
Zero internal leakage offers smooth, dependable rotational positioning without requiring external auxiliary brakes.
Eliminates the need for multiple heavy bearings, external linkages, and mounting brackets, lowering engineering costs.
Acts as a hydraulic fuse in extreme overload conditions, preventing catastrophic structural damage to expensive mechanical booms.
WEITAI’s state-of-the-art factories are ISO 9001 certified. Our premium raw materials and sub-component suppliers hold CE, RoHS, CSA, and UL certificates, ensuring global compliance. We leverage automated CNC grinding machines, specialized helical gear shapers, and computerized heat-treatment operations to achieve micron-level accuracy.
For procurement officers in Castries and greater Saint Lucia, shipping distance demands absolute product reliability. By executing 100% dynamic load testing and high-pressure integrity validation on every single helical rotary actuator before export, we eliminate out-of-box failures. Our streamlined manufacturing workflow guarantees prompt shipment turnarounds, mitigating shipping delays and reducing operational risk.
WEITAI has a professional team to support customers all over the worlds. Our team concentrates on mobile hydraulic components. Together with our professional technicians and staff, we are dedicated and passionate about our mission. Professional technical and commercial teams are available 24/7 for online support.
WEITAI factories are all ISO certified and our material suppliers have all obtained CE, RoHS, CSA and UL certificates. We can design and customize according to drawings to meet the diverse needs of customers. Follow with our camera lens, let’s show you how does a helical hydraulic rotary actuator come out!
Evaluate torque ratings, rotation limits, and mechanical features to select the ideal option for your system.
| Actuator Series | Output Torque (Nm) | Rotation Angle | Mounting Configuration | Best Castries Industry Application |
|---|---|---|---|---|
| WL10 Series | 1,000 - 2,700 Nm | Up to 360° | Foot or Flange Mount | Municipal Trucks & Light Utility Arms |
| WL20 Series (Core) | Up to 7,300 Nm | 180° - 360° Custom | High-Strength Flange | Medium Cargo Cranes & Marine Steering |
| WL30 Series | 7,300 - 18,000 Nm | Up to 220° | Robust Foot Mount | Heavy Construction Attachments & Harbor Cranes |
| WL40 Series | Up to 25,000 Nm | 180° / 220° standard | Dual Flange / Foot | Heavy Offshore Platforms & Bulk Terminals |
Detailed technical queries analyzed by our Chief Hydraulic Engineers to support your design integration.
Helical rotary actuators use sliding helical spline technology, distributing high load pressure over a broad, continuous gear mesh area. This eliminates the concentrated tooth stresses common in rack-and-pinion systems, providing high shock load tolerance. In coastal conditions like Castries, their fully sealed housing prevents salt, grit, and moisture ingress, preserving lubrication integrity and extending seal life.
Yes. WEITAI actuators can be configured with specialized Viton (FKM) or HNBR seals compatible with synthetic ester-based biodegradable oils (HEES). This configuration is popular for port equipment in the Caribbean, protecting marine ecology from hydraulic fluid leaks.
Yes. Our in-house engineering team designs custom shaft diameters, mounting footprints, and port arrangements. We accept 3D CAD files (.STEP, .IGS) to align our actuators with your OEM systems.
For custom engineering prototype development, our typical lead time is 7-15 days. For mass production orders, the standard lead time is 20-30 days upon receipt of drawing sign-off and payment deposit. We utilize marine-grade export-approved wooden crates to prevent cargo damage during international transit to the Port of Castries.
Our prices are subject to change depending on supply and other market factors. We will send you an updated price list after your company contacts us for further information. You can make payments to our bank account, Western Union, or PayPal: 30% deposit in advance, 70% balance against the copy of B/L.
Yes, we require all international orders to have an ongoing minimum order quantity. If you are looking to resell but in much smaller quantities, we recommend you check out our website.
Yes, we can provide most documentation including Certificates of Analysis / Conformance; Insurance; Origin, and other export documents where required.
Explore our highly integrated models designed for robust heavy-machinery retrofits and high-torque applications.
High mechanical stiffness and zero internal slip designed for heavy loading bay operations.
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Optimized spline angles provide reliable, high-torque positioning under challenging operational loads.
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Engineered for high bearing load capacity and smooth rotational movement in maritime settings.
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High torque performance with an integrated dual-counterbalance valve block for enhanced safety.
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Designed to withstand massive overhung loads in harsh, high-vibration applications.
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Reliable helical rotary cylinder offering stable torque output in a compact housing design.
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High performance and wide rotation range designed for demanding industrial operations.
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Reliable torque holding and high structural stiffness, optimized for long lifecycles.
View Technical DetailsComplete product range supporting specialized configurations for dynamic vehicle articulation.
Durable and compact helical rotary actuator engineered for high bearing loads.
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High pressure holding capacity, custom marine grade shaft seals to counter salt-mist pitting.
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Robust foot mount pattern with high stiffness housing, preventing frame misalignment.
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Engineered slewing solution compatible with compact agricultural and utility attachments.
View Technical DetailsWhether you require standard WL20 components or custom-designed helical rotary cylinders for operations in Castries, our engineers are here to support you 24/7.
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Weitai Hydraulic