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A reliable grounding of the metal sheath, if any, is also necessary.The tube mouth is flat and perpendicular to the axis. The length error of 6063G insulated aluminum bus tube is positive: +15 ~ +25mm. The bending degree of tube bus is m/L<2.0 mm.The tube bus has straightening spiral marks that do not affect the outer diameter standard, and its depth is not more than 0.5mm. The tube bus material is selected from 6063G series, and the temper is T6.The bus surface is smooth and smooth, without cracks, creases, inclusions, deformation and distortion.The spacing of the tube mother and matching liner shall not be greater than 0.5mm and shall ensure that the equipment requirements and elastic modulus value shall be controlled to control the deflection value of the equipment within the prescribed range.


High voltage 6063G insulated aluminum bus tube adopts sealing and shielding insulation, and the ground potential of the shell is zero.The shielded insulated tubular bus has uniform electric field distribution, strong electrical insulation and good weather resistance.With strong anti-seismic capability and simple installation, hV insulated tubular bus can be fixed directly on the steel structure frame or concrete support, and the wall bushing and post insulator can be removed, which has strong anti-seismic capability.The bus structure is simple, the layout is clear, the installation is convenient, and the maintenance free operation is realized.