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Help CenterNylon Insert Sleeve for Concrete Sleepers, for High-Speed Rail Ballastless Track, M27x130mm
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With over two decades of manufacturing excellence since 1998, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Nylon Insert Sleeve for Concrete Sleepers, specifically engineered for high-speed rail ballastless track systems. This M27x130mm sleeve is precision-designed to ensure reliable fastening and long-term stability in demanding rail environments. Our commitment to quality and customer satisfaction has made us a trusted supplier to markets across North America, Europe, Asia, and beyond.
The nylon insert sleeve serves as a critical component in concrete sleeper assemblies, providing a durable threaded anchor for rail fastening systems. Its robust construction and precise dimensions (M27x130mm) guarantee a secure fit and easy installation, reducing maintenance needs and extending service life. Whether you are constructing new high-speed rail lines or upgrading existing tracks, our sleeve offers an optimal balance of strength, flexibility, and corrosion resistance.
Key Features & Technical Specifications
- Material: High-grade engineering nylon – offers excellent impact resistance, wear resistance, and electrical insulation properties.
- Dimensions: M27 internal thread with a length of 130mm, designed to match standard rail fastening components.
- Corrosion Resistance: Non-metallic construction eliminates rust and electrolytic corrosion, ideal for exposed outdoor rail environments.
- Vibration Damping: Nylon material absorbs vibrations and reduces noise, enhancing passenger comfort and track longevity.
- Temperature Tolerance: Operates reliably in a wide temperature range (-40°C to +120°C), suitable for diverse climates.
- Easy Installation: Pre-formed sleeve can be cast directly into concrete sleepers during manufacturing, or retrofitted using epoxy anchors (optional).
- Customizable Options: Available in different colors and thread sizes upon request to meet specific project requirements.
| Parameter | Value |
|---|---|
| Thread Size | M27 (Internal) |
| Overall Length | 130 mm |
| Outer Diameter | Approx. 35 mm (varies by design) |
| Material Density | 1.12 – 1.15 g/cm³ |
| Tensile Strength | ≥ 70 MPa |
| Operating Temperature | -40°C to +120°C |
| Color | Black (standard), other colors available |
Product Advantages
- Enhanced Durability: Nylon sleeves resist cracking, splitting, and deformation under heavy dynamic loads typical of high-speed rail.
- Cost-Effective: Lower material cost compared to metal inserts, while offering comparable strength and longer service life.
- Lightweight: Reduces overall weight of concrete sleepers, simplifying handling and installation.
- Non-Conductive: Safe for use in electrified rail systems, preventing electrical shorts.
- Environmental Resistance: Withstands UV exposure, moisture, chemicals, and freeze-thaw cycles without degradation.
As a manufacturer with an annual export value exceeding US$5 million, Anping County Boli Hardware Wiremesh Products Factory has established a strong global presence. Our products are shipped from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery to clients worldwide. We have served diverse markets across North America, South America, Europe, Asia, Africa, and Oceania, building a reputation for reliability and precision.
We are committed to providing high-quality hardware solutions that meet the rigorous demands of modern rail infrastructure. Our nylon insert sleeves undergo strict quality control checks to ensure consistent dimensions and performance. With a dedicated team and advanced production facilities, we can handle both standard and custom orders efficiently.
Frequently Asked Questions (FAQ)
Q1: What is the typical application of this nylon insert sleeve?
A: It is used as a threaded anchor in concrete sleepers for high-speed rail ballastless track systems, providing a secure fastening point for rail clips and bolts.
Q2: Can this sleeve be used in existing concrete sleepers?
A: Yes, it can be installed during new sleeper casting or retrofitted into existing sleepers using suitable epoxy or mechanical anchors. Please consult our technical team for guidance.
Q3: Is the sleeve resistant to chemicals and oils?
A: Nylon has good resistance to many chemicals, oils, and solvents. However, for prolonged exposure to aggressive chemicals, we recommend testing or requesting a material data sheet.
Q4: What is the load capacity of this M27x130mm sleeve?
A: The pull-out strength depends on the concrete quality and installation method. Typically, it can withstand dynamic loads exceeding 100 kN. For specific project requirements, we can provide test data.
Q5: Do you offer custom sizes or colors?
A: Yes, we can customize the length, thread size, and color based on your order quantity. Please contact our sales team with your requirements.
Q6: How long is the delivery time?
A: For standard sizes, delivery is usually 15-25 working days after order confirmation, depending on quantity. Custom orders may require additional time.
Q7: Is there a minimum order quantity (MOQ)?
A: Our standard MOQ is 500 pieces for regular sizes. For smaller quantities, please inquire and we will try to accommodate.
Q8: What packing options are available?
A: Standard packing is in cartons or pallets, with inner protection. Bulk packaging or custom labeling is also available upon request.
Trust Anping County Boli Hardware Wiremesh Products Factory for your rail infrastructure needs. With over 20 years of manufacturing experience and a global export network, we deliver precision, durability, and value. Contact us today for a quote or sample request.
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