Worldpoly315 hydraulically operated HDPE pipe butt welding machine, suitable for PE and PP pipes and fittings from 90 to 315mm OD. Butt welding can be carried out between clamps 3 & 4 for tees, bends and manifold work, and the fusion machine can be immediately integrated with optional data logger. Able to cope with out-of-round pipe and less than perfect site conditions better than the Europeans, and with parts and service readily available, Worldpoly315 poly pipe fusion machine will be providing you with excellent service for years. Worldpoly315 HDPE welding machine. When you want a polyethylene pipe fusion machine that will provide excellent HDPE pipe fusion for years, but don't want to pay a fortune.