Provided is a piping device that enhances a fluid irradiation effect. A main body, which includes a main body, an irradiation module, and a transparent cover plate, is provided with a mounting portion, at least one flow path, and a mounting concave portion. 10, at least one flow path 12 is provided inside the main body 10 and interposed between the attachment portion 11 and the inner wall of the main body 10, and the attachment recess is one of the attachment portions 11. Is recessed in the side and faces one end of the main body 10, an opening is provided in the mounting recess, the irradiation module 20 is installed in the mounting recess so as to be coupled to the main body 10, and the irradiation module 20 includes a plurality of light emitting elements. 21, the plurality of light emitting elements 21 are provided on the side close to the opening of the irradiation module 20, and the transparent cover plate 30 is coupled to the main body 10 and covered with the opening of the mounting recess. Sealing the recess has an outer diameter a fixed. [Selection] Figure 2【課題】流体の照射効果を高める配管装置を提供する。【解決手段】本体１０、照射モジュール２０及び透明カバープレート３０を備え、管体である本体１０には取付部１１、少なくとも１つの流路１２、及び取付凹部が設けられ、取付部１１は、本体１０の内部の中間位置に設けられ、少なくとも１つの流路１２は本体１０の内部に設けられ且つ取付部１１と本体１０の内壁との間に介設され、取付凹部は取付部１１の一方の側に凹設され且つ本体１０の一端を向いており、取付凹部に開口が併設され、照射モジュール２０は本体１０に結合されるように取付凹部内に設置され、照射モジュール２０に複数の発光素子２１が設けられ、複数の発光素子２１は照射モジュール２０の開口に近い側に設けられ、透明カバープレート３０は本体１０に結合されると共に取付凹部の開口に覆設され且つ取付凹部を密閉し、決まった外径を有する。【選択図】図２
