The invention discloses a preparation method of HDPE farmland irrigation pipes, the obtained HDPE irrigation pipes and manufacturing equipment thereof. The HDPE irrigation pipe manufactured by the equipment includes a pipe body. Hollow annular flanges evenly distributed along the axial direction are arranged on the outer surface; middle flanges are equal in diameter, while flanges at both ends are variable-diameter with gradually reduced outer diameter. Straight pipe ends with the same inner diameter as the pipe body and larger outer diameter are arranged at two ends. Adjacent irrigation pipes are connected by hot melting of straight pipe ends, which eliminates leakage risks of socket connection.
Area Code: CN
Application Number: CN201810889085.1
