Nabla Rail 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. The special shape of the Nabla blade generates a dynamically stable toe load on the rails when the nut is torqued.

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Nabla Rail Fastening System

  • Worldwidely Used

    The Nabla Rail System are widely used in Europe, Africa and South America.
  • Safe & Reliable

    With Over many years experience, The Nabla System is showing very good safety performance
  • Easy Maintenance

    With the screw design, it is easy for the maintence work, and reduce the maintence costs.
  • Lower Cost

    Without base plate, it have lower manufacturing costs

Components Of Nabla Rail Fastening System

Item Component Photos Types
1 Nabla Clip Nabla C1, Nabla S1
2 T Bolt &Nut &Washer M22, Grade 5.6/8.8
3 Rail Insulator According to customer’s drawing
4 Rail Pad Rubber

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GK GROUP

GK GROUP, which belongs to Nanchang Railway Buareau, is an enterprise manufacturing railway fasteners, whose products covering fields of railway, urban rail, mining, ect.
There are two factories located in Zhangzhou Fujian, which are all CRCC and ISO certificated, with total area about 320,000 ㎡, workers over 300, and annual sales volume over RMB 200,000,000.

Founded in 1960, With over 50 years specializing in railway fasteners, GK has served many demanding markets worldwide, including USA States, Chile, Argentina, Ecuador, Brazil, Thailand, Indonesia, Malaysia, Vietnam, Spain, Italy, Romania, England, Kazakhstan, etc.

What do we

OFFER?

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We have 4 automatic clip production lines with robot hands, which have the production volume for 60,000 pieces clips per day.
Avantages for robot hands production:

– Guarantee the dimensions stability
– Increase the quality
– Maximum the production volume
– Reduce labor cost

With the advanced forging production lines, we are able to produce screw spikes, rail bolts, rail clamp, rail anchor, and all other forged products.

Our advantages:

– Advanced production equipment, mature production technology and perfect quality assurance system.
– High production volume, able to produce with the fastest speed.
– Mature management system with lowest cost, which guarantee the quality stability.
– Competitive price with best service.

We use lost foam casting process, the advantages as below:

– Without Limits.Lost Foam enables geometrically complex cast parts to be created with the highest quality.
– Dimensionally exact. – High dimensional accuracy and low tolerances.
– Better Surface. Surface smooth and less flaws.
– Without subsequent machining. Lost Foam is done without a core and without burrs so that there is almost no subsequent fettling work.
– Weight reducing. Lost foam enables the creation of thin-walled, filigree cast product.
– Environmentally friendly. Energy efficient casting process with low emissions and closed mould material circulation.

With advanced injection machines, we are able to offer:

– Angle plate or rail insulator
– Rail pad
– Plastic dowel
– Other products according to customer’s needs

We are able to do various surface treatment with the most advanced technology. All the surface treatment is eco-friendly and finished in our own factory.

– Electrostatic spraying for rail clips. Anti-corrosion for 2 years.
– Darcromet for most rail fasteners. Anti-corrosion for 10 years.
– Zinc-nickel alloy co-permeation for most fasteners. Anti-corrosion for 20 years.

Our testing center the most advanced testing equipment:

– Universal testing machine
– Spectroscopic test machine
– Hardness Test machine
– Cold Bending Test Machine
– Fatigue test equipment for clip
– Fluorescent magnetic particle inspection machine
-Salt spray test equipment

Our Certificates

With ISO and CRCC certificated, Guokeng tries its full efforts to save cost for each client by upgrading our Production Equipment & Inspection Facility & Quality Management System to be more efficient, economy, and also with good quality control capacity. Quality and reliability are always our culture. We will never stop upgrading and developing, and will spend our whole life in delivering best quality and service.

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