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Emergency Rail Clamp Types
Technical Comparison Table Emergency Rail Clamp Types – Comprehensive Guide Standard Rail Clamps Purpose: General emergency repairs on straight track sections Key Features: Fits 80-136 lb/yd rails 4-bolt configuration (M24) 300 Nm torque requirement Galvanized steel construction Max Speed:...
Features
Technical Comparison Table
Type | Rail Range | Install Time | Temp Range | Reuses |
---|---|---|---|---|
Standard | 80-136 lb/yd | 5 min | -30°C to +60°C | 50 |
Curved | 100-150 lb/yd | 8 min | -20°C to +50°C | 30 |
Insulated | All profiles | 6 min | -40°C to +80°C | 75 |
C-Clamp | 60-175 lb/yd | 90 sec | -60°C to +120°C | 200 |
Emergency Rail Clamp Types – Comprehensive Guide
Standard Rail Clamps
- Purpose: General emergency repairs on straight track sections
- Key Features:
Fits 80-136 lb/yd rails
4-bolt configuration (M24)
300 Nm torque requirement
Galvanized steel construction
- Max Speed: 40 km/h
- Duration: 72 hours max
Heavy-Duty Curved Rail Clamps
- Purpose: Tight radius curves (R<300m) and switches
- Key Features:
Angled contact surfaces (15°-30°)
6-bolt pattern (M27)
450 Nm torque
Forged manganese steel
- Max Speed: 25 km/h
- Duration: 48 hours max
Insulated Joint Clamps
- Purpose: Temporary signal circuit preservation
- Key Features:
Non-conductive nylon inserts
Continuous 2,000V insulation
Copper bonding points
- Max Speed: 30 km/h
- Duration: 96 hours max
Bridge Transition Clamps
- Purpose: Deck approach rail stabilization
- Key Features:
Extended base plate (400mm)
Vibration dampeners
Stainless steel hardware
- Max Speed: 20 km/h
- Duration: 24 hours max
Universal C-Clamps
- Purpose: Rapid deployment situations
- Key Features:
Single-size fits 60-175 lb/yd
Quick-lock mechanism
Self-aligning design
- Max Speed: 60 km/h
- Duration: 168 hours max
High-Axle Load Clamps
- Purpose: Heavy haul/mining railways
- Key Features:
50-ton capacity
8-bolt configuration (M30)
600 Nm torque
- Max Speed: 15 km/h
- Duration: 24 hours max
Composite Emergency Clamps
- Purpose: Corrosive environments
- Key Features:
Fiber-reinforced polymer
Non-metallic components
Chemical resistant
- Max Speed: 40 km/h
- Duration: 120 hours max
- For Broken Rails: Standard or C-Clamps
- On Curves: Heavy-duty curved clamps
- Electrified Tracks: Insulated clamps
- Mining Operations: High-axle load clamps
- Coastal Areas: Composite clamps

Maintenance Requirements
After Each Use
Clean contact surfaces
Inspect for cracks
Lubricate moving parts
Annual
Magnetic particle inspection
Bolt replacement
Re-calibration
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