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Nabla Rail Clamp fastening System
Nabla Rail Clamp fastening System
Nabla Rail Clamp fastening System
Nabla Rail Clamp fastening System
Nabla Rail Clamp fastening System
Nabla Rail Clamp fastening System
Nabla Rail Clamp fastening System
The Nabla Fastening System is an safe and reliable system, most widely used in Europe. It can be used in Tram, LRT, Metro, Main Line and High Speed tracks.
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A rail fastening system is the whole set fasteners that are used to join the rails and railroad ties (or other type of rail foundation). Normally, rail fastening system is consist of rail spike, rail bolt, rail clip, tie plate, rail pad and plastic dowel, etc. Rail fastening system is also known as an intermediate coupling part. On the whole, railway fastening system plays a role in fixing rails to the sleepers, maintaining the gauge and preventing longitudinal and lateral movement of the rail relative to the sleeper.
The Nabla Rail Fastening System is a cost-effective tram and light rail fastening system. Easy to use and high performance, the Nabla Rail Fastening System is compatible with both top-down and bottom-up construction methods depending on project requirements. The base plate is designed for efficient insertion into dry mix or fresh concrete, thanks to an air evacuation system consisting of air holes and channels.

Nabla Railway Fastener System Components

Structurally, a Nabla clip rail fastening system contains these parts like nabla clips, insulator, double end screw spike, special spring washer, hex nut and plain washer.
Part name  Type Material  Surface  Remark
Nabla clip Thickness 4mm

or 4.5mm

 60Si2MnA,

60Si2CrA

 Plain oiled,

red color painting,

or the other required

by customers

 Hardness: 42-47HRCFatigue
life: 3 millions cycleswithout breaking
Standard: DIN17221,GB/T1222
Insulator UIC54, UIC60,

S49 rails

 Reinforced

Nylon 66 (PA66)

 Black, blue, yellow,

green or other colors

 Different designs

are available.
Double end

screw spike

 UIC54, UIC60,

50kg rail, 60kg rail

 Grade 5.6: 35# Plain oiled, black oxide,

galvanized,

hot dip galvanized

 Bending at 30 degree

without crack.
Special spring

washer

 18.25×34×78mm ML08Al Plain oiled, black oxide,

galvanized,

hot dip galvanized

 For protecting the thread of

the double end screw spike
Hex nut As ordered Grade 5: 35# Plain oiled, black oxide,

galvanized,

hot dip galvanized

 Standard: DIN985
Plain washer As ordered Q235 Plain oiled, black oxide,

galvanized,

hot dip galvanized

 Standard: DIN125

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GNEE RAIL provides high-quality Nabla rail fastening systems, which can be used with various rail types such as UIC 54, UIC 60, 50kg rail, 60kg rail, etc., and have a wide range of applications. Our Nabla rail fastening system is safe and reliable, the spring can provide dynamic and stable fastening pressure, has good electrical insulation, prevents concrete defects and has strong pull-out resistance.

Gnee’s rail fastening system is currently exported to many countries around the world. We provide customized services for customers, and the size and appearance of the product can be made according to customer requirements.

steel rail

heavy rail

light rail

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