pex expander tools

PEX Pipe Expanding Tool  PEX -1632E used  for REHAU HIS 311 hot and cold water plumbing system underfloor heating & cooling water system.The system uses the proprietary tubing, rings, fittings and expansion system.

How this method works is first the plumber slides a ring over the tube. Then the expander tool is inserted into the tube. If it is 1/2 tubing then the expander collar is 1/2 inch. The tube is
mechanically expanded. The fitting is inserted and the tube shrinks back down to the original size. Within 10 seconds, the fitting can be pressurized and be ready to go.