A rail fish plate is a mechanical connector that enables two separate rails to act together structurally by transferring forces through bolted connections, ensuring that jointed tracks perform like continuous rails. GNEE RAIL supplies fish plates for GB 8–60 kg/m rails, UIC50/54/60, DIN536 A-series crane rails, QU crane rails, JIS rail standards, AS1085 sections, BS11 rails, and AREMA/ASCE rail profiles, with technical documentation and joint inspection services.
| Fishplate for UIC Standard Steel Rail | |||
| Steel Rail Type | Steel Rail Weight (KG/M) | Fishplate Standard | Fishplate Material |
| UIC54 | 54.43 | UIC | 45#,55# |
| UIC60 | 60.34 | ||
| Fishplate for BS Standard Steel Rail | |||
| BS50'O' | 24.833 | BS 47-1 | 55#,45# European Grade 700 |
| BS60A | 30.618 | ||
| BS75R | 37.041 | ||
| BS80A | 39.761 | ||
| BS90A | 45.099 | ||
| BS100A | 50.182 | ||
| BS113A | 56.398 | ||
| Joint Bar for AREMA 2007 Standard Steel Rail | |||
| 100RE(TR50) | 50.35 | AREMA 2007 | 45#,55#,AREMA Grade Steel |
| 115RE | 56.9 | ||
| 115-119RE | |||
| 132RE | 65.31 | ||
| 133RE | 66.1 | ||
| 136RE | 67.41 | ||
| 132-136RE | |||
| Fishplate For Chinese Standard Steel Rail | |||
| GB15KG | 15.2 | YB226-63 | Q235,45# |
| GB18KG | 18.06 | YB225-63 | |
| GB22KG | 22.3 | YB14-63 | |
| GB24KG | 24.46 | ||
| GB30KG | 30.1 | YB351-63 | |
| GB38KG | 38.733 | TB/T 2345-2008 | 45#,55# |
| GB43KG | 44.653 | ||
| GB50KG | 51.514 | ||
What are Insulated Rail Joints?
Insulated Rail Joints (IRJs) are specialized railway fasteners that connect rail ends while electrically isolating them from each other. They are critical for signaling systems and track circuits, as they create distinct electrical sections to detect train location, prevent signal malfunctions, and manage longitudinal forces in track, often using steel or composite materials.
What are the features of Insulated Rail Joints?
Insulated Rail Joints (IRJs) are specialized railway track components designed to electrically isolate adjacent rail sections, crucial for signaling and train detection. Key features include high-dielectric insulation, durable polyurethane or composite construction, corrosion resistance, and the ability to withstand high-tonnage, heavy-duty service. They are often pre-bonded for stability and are essential for modern, high-speed rail and continuously welded rails (CWR).
Key Features of Insulated Rail Joints:
- Electrical Insulation: High-dielectric isolation protects track circuits, preventing electrical current from flowing between rail ends to ensure accurate train detection.
- Structural Integrity & Strength: Bonded joints often feature micro-alloy steel joint bars, A-490 bolts, or huck pins to withstand significant longitudinal forces, suitable for high-speed, high-tonnage, or continuously welded rails (CWR).
- Material Durability: Constructed with high-strength composite materials or dense polyurethane, offering resistance to corrosion, rust, and UV rays.
- Reduced Maintenance: Specifically designed for longevity, many types (particularly bonded joints) require little to no maintenance, making them cost-effective over their lifespan.
What is the difference between Insulated Rail Joints and Common Rail Fish Plate?
Insulated Rail Joints (IRJs) and Common Rail Fish Plates both connect rail ends, but differ primarily in electrical conductivity and material. IRJs use composite, non-conductive materials to electrically isolate rail sections for signaling, while Common Fish Plates are made of steel, providing electrical continuity and structural strength for general track usage.
Key Differences:
- Function: Insulated Rail Joints are used to separate electrical circuits in track-monitored sections (signaling). Common Fish Plates connect rails mechanically without preventing electrical flow.
- Material: IRJs are made of high-strength composite materials, fiberglass, or polyurethane, often combined with metal for strength. Common Fish Plates are manufactured from hot-rolled steel.
- Electrical Conductivity: IRJs provide insulation to prevent electric currents from traveling between rails. Common fish plates are conductive and non-insulated.
- Components: IRJs require insulating end posts, bushings, and washers to prevent contact between bolts, fish plates, and rails. Common fish plates use standard metal fish bolts.
- Application: IRJs are crucial in electrified or signaled railway, transit, and subway systems. Common Fish Plates are standard in traditional track joints.
Founded in 2008, GNEE RAIL is a leading global manufacturer and supplier of railway components, specializing in high-quality rail fish plates (joint bars/splice bars) with strong production capacity and global service capabilities.
Our rail fish plate portfolio is comprehensive and compliant with international standards including UIC, AREMA, BS, DIN, and GB, covering light rail (8kg-30kg), heavy rail (38kg-75kg), and crane rail (QU70-QU120) systems. We offer diverse types such as insulated joint bars, bulged fish plates, and compromise rail joints,with precise specifications (4-hole/6-hole, 24-inch/36-inch), ensuring excellent mechanical performance.We uphold strict quality control supported by ISO 9001:2015 certification, an in-house inspection center, and third-party audits by SGS and BV. Our one-stop service includes customization, production, packaging, and after-sales support, tailored to clients' project needs.
Click here to obtain the detailed product catalog of GNEE RAIL.
