One Mold Double PPR Pipe Production Line Mainly produce PPR Pipe, PPR Glassfiber Reinforced Pipe, PERT Pipe, PB Pipe, PEX Pipe One Mold Double PPR Pipe Production Line1.Equipped with polyolefin purposed single ... walls, and small in internal stress. 3.Pipe diameter is among 20-160mm and production speed reaches to 18m/min. 4.One ...