Patent ID: 8137599
Filing Date: 2012-03-20
Classification: F16L

Abstract:
1. A conduit expansion method, comprising: inserting a liner conduit formed from a polyvinyl chloride material at least partially within a host conduit; circulating fluid within an inner area of the liner conduit; injecting fluid into the inner area of the liner conduit; and processing at least a portion of the circulating fluid by supplying fluid from a fluid source to a fluid processing system for further circulation and/or injection into the inner area of the liner conduit; wherein the liner conduit at least partially expands within the host conduit, and wherein the fluid processing system is part of a fluid system along with a conduit expansion system and comprises a circulation pump, a fluid heater located downstream of the circulation pump and a control mechanism operatively coupled to at least one of the circulation pump and the fluid heater, the control mechanism configured to measure and monitor fluid temperature, fluid flow rate and fluid pressure at a plurality of points within the fluid system and control fluid temperature, fluid flow and fluid pressure.