Rail gauge rods are critical steel fasteners designed to connect two rails at their base, enhancing lateral rail stability and reinforcing the track's gauge-keeping capacity-an essential function for maintaining safe and consistent rail operations. These components work in tandem with other railway fasteners such as elastic clips, rail bolts, and base plates to form a robust track fastening system, ensuring structural integrity under dynamic train loads.
Not all track sections require gauge rods; their installation is targeted at high-stress areas: sections with curve radii below a specific threshold, station yards, and other specialized zones where lateral rail stability is most critical. GNEE RAIL provides tailored gauge rod solutions to address these demanding scenarios, complementing its comprehensive product portfolio that includes SKL clips, Nabla clamps, rubber pads, and dog head spikes.
Rail gauge rods are categorized into ordinary gauge rods and insulated gauge rods based on material and functional design.
Ordinary Gauge Rods
Ordinary gauge rods are primarily deployed in curve segments, turnouts, and switch areas-key locations where lateral rail displacement risk is heightened. By exerting controlled tensile force, they prevent rails from spreading outward under the lateral thrust of passing locomotives, ensuring trains traverse these sections safely. GNEE RAIL's ordinary gauge rods, forged from high-strength carbon steel, integrate seamlessly with fish plates, sleeper bolts, and anti-loosening nuts, forming a reliable fastening assembly for non-electrified track sections.
Insulated gauge rods
For electrified railways with track circuits, insulated gauge rods are indispensable. Their core function is to achieve electrical insulation between rails via a high-performance insulating segment in the rod's midsection. GNEE RAIL's insulated gauge rods utilize premium nylon-based insulating materials, engineered to deliver standard dimensional accuracy, high lateral stiffness, excellent insulation resistance, and robust tensile strength-critical properties for blocking unwanted current flow between rails and protecting signaling systems.
A typical gauge rod with 2 iron jaws, 2 flat washers, 2 nuts, and 2 spring washers on both ends.
| No. | Part | Quantity | Specification | Material |
|---|---|---|---|---|
| 1 | nut | 4 | M30 M36 | 3# |
| 2 | rod | 1 | M30 M36 | 3# |
| 3 | iron jaws | 4 | I type II type | KTH350-10 |
| 4 | flat washer | 4 | M30 M36 | 3# |
| 5 | spring washer | 4 | M30 M36 | 65Mn |
GNEE RAIL's exported all over the world. We offer various types of gauge rods and related fasteners, washers, iron cards, nuts, etc. If you require more information on any of our products, please contact us.