Roc Tan's Swivel Units
Smooth Rotation, Canadian Engineered
Roc Tan’s Swivel Units are precision-engineered assemblies that allow your windsocks to rotate freely, ensuring accurate wind indication without wrap-around issues. Built in Alberta from carbon steel and UHMW bushings, our swivel units deliver low-friction, maintenance-free performance—designed for both standard and lighted configurations.
Swivel Unit Components
Each Swivel Unit assembly includes:
- Hoop & Support – Carbon steel rod and support brace
- Axis Pipe – Precision-cut carbon steel pipe, forms the rotational spindle
- Base Housing – Carbon steel square tubing containing UHMW bushing(s)
- Preload & Support Rods – Keep windsock partially open to prevent entanglement
- Security Hardware – Cotter pins, washers, and fasteners for robust assembly
- (Optional) Sock Light – High-output LED fixture for illuminated windsocks

Available Models
Model | Hoop Diameter | Preload Type | Mount Thread | Light Option |
---|---|---|---|---|
24SU | 24” | Carbon steel rod & support | ½” MNPT | No |
36SU | 36” | Carbon steel rod & support | ½” MNPT | No |
18SU-L | 18” | Carbon steel rod & support | ½” MNPT | Yes (120VAC) |
24SU-L | 24” | Carbon steel rod & support | ½” MNPT | Yes (120VAC) |
36SU-L | 36” | Carbon steel rod & support | ½” MNPT | Yes (120VAC) |
SU = Swivel Unit
-L = Swivel Unit with Integrated Sock Light (IP65 rated, 8,000 lumens).
Technical Specifications
Component | Details |
---|---|
Hoop Material | Carbon steel rod, powder-coated option available |
Bushings | Low-friction UHMW polyethylene, self-lubricating |
Axis Diameter | ½” schedule pipe (standard), precision-aligned for minimal wobble |
Preload Tension | 24” & 36”: single rod; 18”: integrated rod with support brace |
Lighting (L Models) | 120VAC, 100W LED array; 5,000K colour temp; IP65; 30,000-hour rated |
Mount Connection | ½” Male NPT threaded for direct pole mounting |
Operating Temperature | -40°C to +60°C, no maintenance required |
Installation & Assembly
- Prepare Mounting Pole
- Ensure a ½” female NPT thread at the top of your pole.
- Attach Swivel Base
- Screw swivel unit onto pole until bushing housing contacts the pole head.
- Install Preload Assembly
- Insert preload rod(s) into hoop eyelets; secure with cotter pins.
- Mount Windsock
- Fasten windsock grommets to hoop with UV-resistant ties.
- Verify Operation
- Rotate hoop by hand—should spin smoothly with minimal resistance.
Why Choose Roc Tan Swivel Units?
- Maintenance-Free Bushings: UHMW polymer eliminates lubrication hassles and resists freeze-up.
- Precision Alignment: Engineered to minimize wobble and maximize wear life.
- Integrated Lighting Option: Keep your windsock visible 24/7 for safety-critical sites.
- Canadian Quality Assurance: Designed, fashioned, and tested in Sylvan Lake, AB.
Ideal Applications
- Airfields & Helipads – Reliable wind indication under all conditions
- Industrial Complexes – 24/7 monitoring with lighted models
- Marinas – Clear wind cues, day or night
- Event Venues – Stand out with illuminated branding
Built for Canadian Conditions
From Arctic blasts to summer heat, Roc Tan Swivel Units operate flawlessly year-round, safeguarding wind accuracy and extending the service life of your windsock system.
Order Your Swivel Unit
Get the perfect swivel solution for your windsock:
🛠️ Provide your hoop diameter and lighting preference for a tailored quote.