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W14hh Rail Fastening System

FOB Price 5.8 - 6.2 USD / pieces

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Model NO.W14HH Transport PackageWoven Bags & Pallets
SpecificationW14HH TrademarkSUYU or customized
OriginChina HS Code73029090
Production Capacity100000PCS/Per Day

Product Details

Product Description

Company Info.

Product Description

W14HH rail fastening system

The W14HH fastening system is designed for heavy rail traffic with a maximum permissible axle load of 350 kN , Widely used in Europe, Asia, the Middle East, North America, and Latin America.




Products Parameters

Technical Specification of W14HH Fastening system
  • Typical application - heavy haul with concrete sleepers on ballasted track
  • Axle load - max. 350kN
  • Speed - max. 160km/h
  • High longitudinal rail resistance - min. 9kN
  • Electrical resistance ≥ 5 kΩ
  • Clamping force for SKL14R (nominal) - 11.5 kN
  • Gauge adjustment in the range of ±10 mm
  • Optionally, the system can be fitted with an anti-abrasion pad to prevent excessive wear on the fasteners.
  • All components can be pre-assembled at the sleeper factory

The complete W14HH fastening system for each sleeper consists of the following components:

4 pcs screw spike DHS35-161
4 pcs Flat washer UIs7
4 pcs Rail clip SKL14R
4pcs guide plate Wfp14K700R
4 pcs plastic dowel SDU25
2 pcs rail pad Zw141/175/7

W14HH type rail fastening system is designed for heavy haul rail with a maximum acceptable axle load of 350 kN.
One complete set includes 4 pcs rail clips SKL14R ,4 pcs sleeper screws DHS35 with flat washer UIs7, 4 pcs guide plates Wfp-12 700R, 4 pcs plastic dowels SDU25, 2 pcs rail pads Zw141/175/7.

Technical Parameters
Part name Item Technical requirement Remark
SKL14R clip Type Dia.14mm Application for different rail types
Material 60Si2Mn Chemical composition(%): C: 0.57, Mn: 0.75, Si: 1.73, Cr: 0.07P:≤0.015, S: ≤0.006
Finish Plain oiled, painting, or upon request 500 hours salt spry test
Hardness 42-47HRC
Fatigue life When clip spring deflection is 9.1mm, swing is 1.42mm, fatigue life is up to 3 million cycles without breaking.
Standard refers to DIN17221, GB/T1222
DHS35-161 screw spike Type M24x161mm
Grade Grade 5.6: 35# Tensile strength: ≥500Mpa Yield strength: ≥300Mpa Elongation: ≥20% Cold bending: 90 degree without crack
Finish Plain oiled, oxide black, zinc plated, hot dip galvanized, Dacromet, Sherardizing 500 hours salt spry test
Standard refers to ISO898-1, UIC864-1, and NF F500-50
Flat washer ULS7 Type Uls7
Material Q235
Finish Plain oiled, Oxide black, Zinc plated, Hot dip galvanized, Dacromet, Sherardizing 500 hours salt spry test
Standard refers to EN10025, EN10139
Plastic dowel SDU25 Type For different sizes of screw spike
Material Reinforced Nylon 6 (PA6) Density: 1.15g/cm3 Tensile strength: 66.3Mpa Elongation: 31.3% Melting point: 228ºC Insulation resistance: ≥2.8×1012Ω Hardness: ≥114HRR
Color Black
Guide plate Wfp14k 700R Type UIC54,115RE rail, and size as ordered
Material Reinforced Nylon 6 (PA6+30%GF) Density: 1.39g/cm3 Tensile strength: 165Mpa Elongation: 3.5% Melting point: 226ºC Insulation resistance: ≥1.9×1012Ω Glass fiber content: 30-35% Hardness: ≥114HRR
Color Black
Rail pad Zw-141-175-7 Type UIC54, 115RE rail, and size as ordered
Material TPE (Thermoplastic Elastomer ) Density: 1.09g/cm3 Tensile strength: 4.23Mpa Tensile Modulus: 2.97Mpa Melting point: 200-220ºC Shore hardness: ≥40D
Color Black



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