28mm flexible graphite grounding body 40 * 5mm superconducting graphite grounding strip 99.2% fiberglass graphite wire braided

Description :

　　Graphite based flexible grounding material (graphite cable) is a new type of grounding material that not only has the conductivity of metal grounding materials, but also solves the anti-corrosion problem of grounding materials in different soil environments. It is currently a good alternative to metal grounding materials in the field of grounding.

　　1、 Characteristics of graphite based flexible grounding body

　　The graphite based flexible grounding body is in the shape of a cable, made of high carbon graphite wire, and the connection end connected to the tower is made of stainless alloy. The graphite based flexible grounding body is a non-metallic conductive material, corrosion-resistant, rust free, stable grounding resistance, high current impact resistance, no damage, constant resistance, high and low temperature resistance, long service life of 30 years, maintenance free, safe and reliable. It is not limited by environmental or climatic conditions, easy to install, does not require electrical welding, saves labor and time, saves materials and costs, is energy-saving, environmentally friendly, and anti-theft. It is especially suitable for use in acidic and alkaline soils, swamps, humid and hot areas, and beaches.

　　2、 Main technical indicators of graphite based flexible grounding body

　　1. Solid state resistivity: 0.0046 Ω m

　　2. Surge current tolerance: (200KA) Δ R% ≤ 0

　　3. Power frequency current tolerance: Δ R% ≤ 0

　　4. High temperature performance: 100 ℃

　　5. Low temperature performance: -40 ℃

　　6. Compressive strength: ≥ 1200Mpa

　　7. Tensile strength: ≥ 1200Mpa

　　8. Surface Morse hardness of graphite wire layer: 1-2

　　9. Annual average corrosion rate of buried surface: 0

　　3、 Specification of graphite based flexible grounding body

　　Common specifications: 16mm, 20mm, 25mm, 28mm, 30mm; 40*4 mm,50*5 mm,40*10 mm,60*8mm

　　2、 The length can be customized according to user design requirements.

　　4、 Calculation of the dosage of graphite based flexible grounding body:

　　The usage of graphite based flexible grounding bodies is calculated based on the commonly used specifications of galvanized round steel with diameters of 10mm, 12mm, 14mm, and 16mm.

　　5、 Construction requirements for the installation of graphite based flexible grounding body:

　　1. Construction shall be carried out in accordance with the design requirements of Party A's drawings.

　　2. Install and construct under the technical guidance of the factory.

　　3. This grounding wire should be installed in a mouth shape with two closed joints.

　　4. The connection method is overlapping, wrapped tightly with conductive graphite wire, and the length scale of the tower connection is 10 times the diameter of the grounding body.

　　5. The grounding trench should be flat, buried with fine moist soil, and compacted layer by layer.

　　6. Prevent sharp objects from scratching the graphite cable body and protect the conductive and discharge layers of the cable body from damage.

　　7. When crossing the roadbed, steel pipes should be used for protection.

　　8. When the graphite based flexible grounding body is used in special areas, its connecting body needs to be reinforced with a protective cover.

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• Flexible graphite based down conductor