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Nabla Rail Fastening System
System Overview The Nabla rail fastening system is a high-performance, elastic rail fastening solution designed for ballasted tracks, particularly in heavy-haul, high-speed, and urban transit systems. It features a unique clip design that ensures high clamping force, vibration damping, and...
Features
System Overview
The Nabla rail fastening system is a high-performance, elastic rail fastening solution designed for ballasted tracks, particularly in heavy-haul, high-speed, and urban transit systems. It features a unique clip design that ensures high clamping force, vibration damping, and electrical insulation, while maintaining easy installation and long-term reliability.
FEATURE 01
High Clamping Force – Ensures secure rail fixation under dynamic loads
FEATURE 02
Elastic Damping – Reduces track vibrations & noise
FEATURE 03
Electrical Insulation – Prevents stray currents in electrified tracks
FEATURE 04
Corrosion Resistance – Zinc-coated or stainless steel components
FEATURE 05
Low Maintenance – Minimal adjustments required over time
FEATURE 06
Nabla Clip
Material: Spring steel (SAE 9260)
Coating: Zinc-aluminum (≥8μm) or stainless steel
Preload: 7–10 kN (maintains constant toe load)
Baseplate
Material: Ductile iron (EN-GJS-500-7) or forged steel
Surface Treatment: Epoxy coating or hot-dip galvanized
Elastic Pad
Material: EPDM rubber or polyurethane
Thickness: 6–10 mm
Hardness: 60–80 Shore A
Insulation Components
Rail pad: EVA or rubber (5–7 mm)
Shoulder insulator: Glass-fiber reinforced PA6
Fastening Bolts
Grade: 8.8 or 10.9 high-strength steel
Corrosion Protection: Hot-dip galvanized
Our factory & quipment
Our Service Processes
Pre-sales Consultancy
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Confirmation of order
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Production
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Multi-Channel Shipping
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Confirmation of recei
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After-sale Services
6
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