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What is Nabla Insulator?
What is Nabla Insulator?
Signum is experienced in producing and exporting Nabla blades and Nabla insulators to meet with NF F 50-015 and NF F 50-021.
In the Nabla rail fastening system, the insulator (also known as a guide plate or nylon insulator) is a critical plastic component placed between the steel Nabla clip and the rail foot.
Nabla insulator is also known as Nabla Railway insulator,Nabla Nylon insulator,Nabla guide plate,Nabla railway spacer and Nabla plastic insulator. 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.
Raw material of Nabla insulator
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 .
Technical specifications of Nabla insulator
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
Main Functions of Nabla Insulator
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.
Application Pictures of Nabla Insulator
Application Pictures of Nabla Insulator
Related components of Nabla Fastening System
Related components of Nabla Fastening System
We are able to supply Nabla clips, Nabla insulators, bolts and dowels for Nabla system with competitive price and quality.
More details about Nabla clip and Nabla Fastening System, please refer to Nabla clip and Nabla Rail Fastening System.
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