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Rail Fastening System

Rail fastening system is the generic term of railway parts which to fasten two or more than two parts into a whole. It is usually used to fix rails to railroad ties or sleepers. Rail anchor, tie plate, chairs, track fasteners, spikes, screws, bolts are the main parts. The construction of the railway depends on the role of the fasteners, but not all specifications and models of rail fasteners are suitable for railway construction, some of the common rail fastener strength could not adapt to the vibration of the high-speed rail, rail transit like rail and metro requires high strength rail fasteners. AGICO can provide various rail fastening systems, which all have strict quality assurance. Below are the different rail fastening systems, there is always one fastener can meet your needs!

1.SKL Clip Rail Fastening System 

skl clip rail fastening system model skl clip fastening system application of skl fastening system

Steel rail is used to support and control the direction of the locomotive, which is fixed on the sleeper track by elastic fasteners. SKL clip rail fastening system includes SKL tension clip, Ss35 screw spike, flat washer, plastic dowel, guide plate, rail pad, of which rail clip is the main parts. It is calculated by the bending and twisting deformation, buckle pressure effect on the orbit, which effectively guarantee the reliable connection between rails for a long time, keep the integrity of the orbit as far as possible. In a word, rail fastening system plays the basic role to assure the safety of railway vehicles.

Specifications for ONE unit of SKL Clip rail fastening system

Item Quantity Type Material Remark
SKL tension clip 2 skl1, skl3, skl12, skl14 60Si2CrA, 60Si2CrA, 38Si7 Hardness: 42-47HRC
Standard: DIN17221, GB/T1222
Ss35 screw spike 2 M24×150mm
 
Grade 4.6: Q235
Grade 5.6: 35#
Grade 8.8: 45#
Standard: ISO898-1
UIC864-1
NF F500-50
Flat washer 2 Uls7 Q235 Standard: EN10025, EN10139
Plastic dowel 2 For different sizes of screw spike HDPE, Reinforced Nylon 66 (PA66) For insert into concrete sleeper
Guide plate 2 UIC54, UIC60, 50kg rail, 60kg rail,
and other sizes as ordered
Reinforced Nylon 66 (PA66) Different designs are available
Rail pad 1 Size as ordered EVA, or rubber

2.E-clip Fastening System

e-clip rail fastening system model of e-clip rail fastening system application of e-clip rail fastening system

E-clip rail fastening system is composed of E-clip, rail shoulder, rail pad, rail insulator.

Specifications for ONE unit of E-clip fastening system

Item Quantity Material Type Remark
E-clip 2 60Si2MnA, 60Si2CrA Dia. 16mm
Dia. 18mm
Dia. 20mm
Hardness: 44-48HRC
Toe Load: 500-700kgf for Dia.16mm; 750-900kgf for Dia.18mm; 1100-1400kgf for Dia.20mm
Fatigue life:5 million cycles without breaking
Standard: DIN17221, BS970, GB/T1222
Shoulder 2 QT500-7, QT450-10 UIC54,UIC60, 50kg rail, 60kg rail,
BS80lbs,BS100lbs, and size as ordered
 Hardness of E-clip is 44-48HRC; Toe Load for E-clip is 500-700kgf (Dia.16mm); 750-900kgf(Dia.18mm); 1100-1400kgf(Dia.20mm);
Fatigue life of E-clip is 5 millions cycles without breaking DIN17221, BS970, GB/T1222 qualified E-clip
Rail pad 1 HDPE, rubber or EVA
Insulator 2 Reinforced Nylon 66 (PA66)

3. KPO Rail Fastening System

kpo rail fastening system model of rail fastening system application of kpo rail fastening system

Specifications for ONE unit of KPO rail fastening system

Item Quantity Type Material Standard
KPO clip 2 KPO3, KPO6, KPO9 Q235 DIN5906
Screw spike 2 M24×150mm M24×160mm M24 ×180mm
other length as ordered
Grade 4.6: Q235
Grade 5.6: 35#
Grade 8.8: 45#
ISO898-1, UIC864-1 and NF F500-50
HS bolt 4 HS26, HS32 Grade4.6: Q235
Grade5.6: 35#
Grade8.8: 45#
Diameter: 22mm or 24mm
Length: 55mm, 65mm, 75mm, 90mm
Hex nut 2 As ordered Grade 5: 35#
Grade 8: 45#
DIN958
Double coil
spring washer
2 As ordered 65Mn UIC864-3
Base plate 1 UIC54,UIC60, 50kg rail
60kg rail,S49 in ordered size

Casting iron QT500-7
QT450-10
forging low carbon steel
or high carbon steel

UIC864-6

4.Nabla Clip Rail Fastening System

nabla clip rail fastening system model of nabla clip rail fastening system application of nabla clip rail fastening system

Nabla clip rail fastening system allows us to further enhance and simplify the installation operations and track maintenance. Its principle is to separate electrical insulation from the lateral support function by using two components assembled in the factory.

Specifications for ONE unit of Nabla Clip rail fastening system

Item Quantity Type Material Remark
Nabla clip 2 Thickness 4mm or 4.5mm 60Si2MnA, 60Si2CrA 42-47HRC 3 million times without breaking; Application for different rail types
Insulator 2   Reinforced Nylon 66 (PA66) Density:1.3-1.45g/cm3
 Tensile strength:≥170Mpa Elongation:≤4.4% Bending Strength:≥250Mpa Impact Strength(No gap): ≥80KJ/mMelting point:250-270℃ Insultion resistance:≥1X108Ω Glass fiber content:30-35% Hardness:≥110HRR
Screw spike 2 UIC54,UIC60,50kg rail,60kg rail Grade5.6:35# Tensile strength:≥500Mpa Yield strength:≥300Mpa Elongation:≥20% Cold bending:90° without crack 
Spring washer 2 18.25x34x78mm ML08AI Chemical composition(%): C:0.05-0.10, Mn:0.30-0.60, Si:≤0.1, Cr:≤0.2, P:≤0.035, S:≤0.035

5.High Speed WJ - 8 Rail Fastening System

high speed wj-8 rail fastening system model of wj-8 rail fastening system application of wj-8 fastening system

WJ-8 rail fastening system adapts to the ballastless track laid in China. Its corresponding sleeper shall be with block shoulders. It is the special type of high speed rail fastening system for the ballastless track only for passenger, based on research and development of all the technical requirements. 

Specifications for ONE unit of high speed WJ-8 rail fastening system

Item Quantity Material
Rail clip 2 60Si2MnA
Screw spike 2 20MnTiB
Flat washer 2 Q235A
Rail insulator 2 PA66
Guide plate 2 Reinforced Nylon 66 (PA66)
Rail pad 1 EVA, or rubber
Tie plate 1 QT450-10
Plastic dowel 2 HDPE, Reinforced Nylon 66 (PA66)
Rail adjustable pad 2 PE
Tie Plate adjustable pad 2 PE

6.High Speed WJ-7 Rail Fastening System

high speed WJ-7 rail fastening system model of WJ-7 fastening system application of WJ-7 rail fastening system

WJ-7 rail fastening system adapts to all kinds of the ballastless track without block shoulders laid in China, It is the special type of high speed rail fastening system only for passenger, based on research and development of all the technical requirements.

Specifications for ONE unit of high speed WJ-7 rail fastening system

Item Quantity Material
Rail clip 2 60Si2MnA
T-bolt nut washer 2 Q235A
Rail insulator 2 PA66
Tie plate 1 QT450-10
Insulated buffer plate 1 Rubber
Rail pad 1 EVA, or rubber
Anchor bolt 2 Q235A
Spring washer 2 60Si2Mn
Plain washer 2 QT450-10
Plastic dowel 2 HDPE, Reinforced Nylon 66 (PA66)

7.Clip III Fastening System

Clip III fastening system adapts to 60 kg/m rail of sleepers without block shoulders, and it’s a boltless system. It includes rail clips, rail shoulders and insulators.
clip III rail fastening system
Item Quantity Material
Rail clip 2 60Si2MnA
Rail insulator 2 PA66
Rail shoulder 2 QT450-10
Rail pad 1 EVA, or rubber

8.Clip II /Clip I Fastening System

With the application of the concrete sleeper and seamless track, Clip II /Clip I fastening system is commonly used. 
clip II or clip I fastening system
Item Quantity Material
Rail clip 2 60Si2CrA
Sleeper
screw+ nut +washer
2 Q235A
Rail insulator 2 Q235
Baffle board 2 PA66
Rail pad 1 EVA, or rubber

In addition to producing some parts of rail fastening system, we can also provide the complete set of various rail fastening systems approved by authorities, such as normal rail, light rail, subway, high speed rail, etc.


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