W20-221 Rail Clip
The W20-221 rail clip is built to withstand extreme horizontal forces up to 305kN, offering 21mm rail adjustment for precise alignment and dependable performance in the most demanding industrial environments.
What is W20-221-32H Rail Clip?
The W20-221 crane rail clip is engineered for ultra-heavy-duty applications where reliability and performance are critical.
Its low-profile design ensures compatibility with cranes equipped with guide rollers, making it ideal for ports, heavy-industry facilities, and large-scale logistics hubs. With a massive 305kN side load capacity, this clip offers unmatched stability and safety.
W20-221 Rail Clip Components
| Component Number | Component Name | Key Function |
|---|---|---|
| 1 | Flange Nut | Secures the assembly, working with the self-tightening mechanism for stability. |
| 2 | Clip Cap | Forms the top structure of the clip, pairing with the base for rail retention. |
| 3 | M20 Captive Bolt | Grade 8.8 bolt that locks the two main clip parts together when tightened. |
| 4 | Weldable Base | Weldable-grade steel base for direct attachment to rail supports. |
Key Features & Benefits
- Time-Tested Reliability: The W20-221’s proven design has been deployed successfully worldwide for years, standing up to diverse industrial challenges.
- Welded for Accessibility: Welded directly to rail supports—no below-access required, making it perfect for elevated or confined installations.
- Secure Locking Mechanism: Tightening the Grade 8.8 bolt locks the clip’s two main parts together, paired with a self-tightening feature to resist loosening.
- Low-Profile Versatility: Works with cranes equipped with guide rollers, avoiding interference with operational components.
W20-221-32H Rail Clip Specifications
| Specification Category | Details |
|---|---|
| Model Name | W20-221 |
| Maximum Side Load | 305kN |
| Horizontal Rail Adjustment | 21mm |
| Bolt Specification | M20 Captive Bolt, Grade 8.8 |
| Minimum Assembly Width | W = Rail width (F) + 130mm; U = Rail width (F) + 162mm |
| Weld Requirement | 4mm throat thickness fillet weld (AWS E7018/E7028 electrodes recommended) |
| Tightening Torque | 350Nm |
Simple Installation & Applications
Welding Instructions
Tightening & Documentation
Where the W20-221 Rail Clip Excels
Rail Compatibility of W20-221 Rail Clip
| Model | F (mm) | C (mm) | A (mm) | Clip Reference for Rail without Pad |
|---|---|---|---|---|
| A75 | 200 | 75 | 85 | W20-221 |
| A 100 | 200 | 100 | 95 | W20-221 |
| A 120 | 220 | 120 | 105 | W20-221 |
| A 150 | 220 | 150 | 150 | W20-221 |
| QU80 | 130 | 80 | 130 | W20-221 |
| QU100 | 150 | 100 | 150 | W20-221 |
| QU120 | 170 | 120 | 170 | W20-221 |
| CR 73 | 140 | 100 | 135 | W20-221 |
| CR 100 | 155 | 120 | 150 | W20-221 |
Why Choose Our W120/21 Rail Clip?
Extreme-Duty Engineering: Designed for applications where failure is not an option.
Rapid Availability: We keep ample stock to support urgent project timelines.
Customizable Finishes: Options include hot-dip galvanizing, electro-zinc plating, and epoxy coatings for corrosion resistance.
Dedicated Technical Support: From concept to installation, our experts provide end-to-end guidance.
Global Compliance: Suitable for international standards and rigorous industrial requirements.