用于电炉变压器二次出线铜管与电炉短网铜管之间的连接。可补偿安装误差、热胀冷缩和吸收短网的电磁力引起的振动，此件也可用于炼钢电弧炉。
Used for circuit transformer secondary outlet copper pipe and electric connection between short net copper pipe. Can compensating installation error, heat bilges cold shrink and vibration caused by absorbing short net electromagnetic force, the furnace can also be used in steel-making arc furnace.
