NABLA Fastening System Rail Insulator,Nabla Insulator,Rail Insulator for Nabla Clip System1.What is Nabla ...    More ...

NABLA Fastening System Rail Insulator,Nabla Insulator,Rail Insulator for Nabla Clip System
1.What is Nabla rail insulators?
Nabla rail insulator is also known as Nabla Railway insulator,Nabla Nylon insulator,Nabla guide plate,Nabla railway spacer and Nabla plastic insulator.
Nabla Insulator for Nabla Fastening System

This square insulator is being widely used in Nabla rail fastening system. It is installed between rail clip and steel rail.The function of this insulator is adjusting rail gauge and insulate the rail from the clips. Nabla insulator, as a component of the Nabla fastening system, accompany with the Nabla clip and rail bolts.
2.Raw material of Nabla insulator
Nabla insulator is of the same use as a rail pad, but it is thicker than rail pad. The raw material of it is reinforced Nylon 66  which is also called PA66. PA66 insulator has good performance. It can be made into various rail insulators. The insulators are used in E type fastening, SKL rail fastening and Nabla fastening system .
How much do you know about a railway insulator?

3.Technical specifications of Nabla insulator

  Technical specifications of Nabla insulator
  Raw material   Nylon-6 or nylon-66 with glass filler
  Technical specifications of Nabla insulator   Density:1.3-1.45g/cm3
  Tensile strength: ≥170Mpa
  Elongation: ≤4.4%
  Bending Strength: ≥250Mpa
  Impact Strength(No gap): ≥80KJ/m2
  Melting point:250-270°C
  Insulation resistance:≥1×108Ω
  Glass fiber content:30-35%
  Hardness:≥110HRR



Nabla Fastening System
4.Main Functions of Nabla Insulator
Distribution of toe load over larger area on rail foot;
Allow flexibility for use of different rail section on the same / common sleeper;
Permits gauge adjustment in curved track and correction in alignment;
Provide insulation between rail and insert.
Nabla Clip for Nabla Fastening System
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KUNSHAN SIGNUM MACHINERY TECHNOLOGY CO.,LTD

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