A sealant supplier for a spiral pipe is provided to improve the quality of the spiral pipe and to reduce production cost by removing an additional process for maintaining sealed state of the spiral pipe after production. A sealant supplier for a spiral pipe includes a frame(113), a supply unit(120), and a tension controller(150). The frame is composed of a post(112) established at one side of a planar base(111). The supply unit is arranged at bottom of the frame to supply a sealant(105). The tension controller is arranged at top of the supply unit to control the tension of the sealant. The supply unit includes a reel guide on which a sealant reel(122) wound with the sealant is mounted. A driven pulley(130) is installed on a reel shaft and connected to the belt from a driving pulley(128) installed on a driving shaft of the motor(126).
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