Worldpoly355 HF hydraulically operated HDPE pipe butt welding machine, suitable for HDPE pipes and fittings from 110 to 355mm OD, according to ISO / AUS-NZ SHP high force welding standards. 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, your Worldpoly355 HF poly pipe fusion machine will be providing excellent service for years, and completing welds faster than the competition. Worldpoly355 HF HDPE welding machine. When you want a polyethylene pipe fusion machine that will provide excellent HDPE welds for years, but don’t want to pay a fortune.