Sector Overview
Metro rail systems operate in vibration-prone, high-density, and space-constrained environments. Fire protection and mechanical piping must perform reliably under continuous operational load while allowing safe maintenance access.
Projects We Did
Delhi Metro • Chennai Metro • Bangalore Metro • Hyderabad Metro • Jaipur Metro
Scope of Application
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Underground station fire protection systems
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Tunnel mechanical piping
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Pump room installations
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Utility and service water networks
System Configuration
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Grooved ductile iron couplings and fittings
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Mechanical branch outlets
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Grooved valves
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Flexible and rigid coupling combinations
Solutions Provided
NFL supplied grooved piping components suited for metro environments where installation speed, joint integrity, and vibration tolerance are essential.
Engineering Advantages
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Controlled angular deflection capability
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Reduced vibration transmission in piping networks
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Faster bolted assembly in confined environments
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Simplified inspection and testing
Operational Value Delivered
Grooved systems support reduced installation timelines, safer site practices (no hot work), and easier lifecycle maintenance for metro infrastructure.