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pjl Refinery Meets Diversified Pping Needs with RlC-WlL Refinery engineering and construction by Arthur G. McKee & Company, Cleveland, Ohio. Pipe line engineering and construction by J. F. Pritchard & Company, Kansas City, Missouri. IfeK-..- 0 The adaptability of Ric-wiL Insulated Piping Systems --to any type of piping requirement is ably demonstrated by this refinery installation. It consists of ten separate -- -runs of prefabricated pipe units employing a wide variety Lr?of pipe sizes and pipe arrangements for distribution of ;`rjteam and viscous fluids at various temperatures. -~The temperatures required for the distribution of the -- "various viscous^uids are efficiently maintained in Ric-wiL ' ~ Uniline Insulated Pipe Units. In this type of construction, - pipes carrying oil, asphalt, etc., are nested with a steam -V tracer inside an insulation liner which insulates them from ~7-' the exterior but not from each other. --rrAt Ohio Oil, many different viscous fluids are carried in ,Standard 21 fool long Ric-wiL Units require onlyshallow, narrow trenches even under railroad tracks. PLAINTIFF'S EXHIBIT 6-225 4" and 6" pipes at temperatures ranging from 125 to 400F. Steam for tracer lines and processing is distributed in pipes of from 1" to 6" diameter at 150 psi, 450F. Pipes and insulation are housed in helically corrugated, 16 gauge galvanized ingot iron Hel-coR conduit, ranging from 8" to 21" in diameter. The inherent flexibility and strength of this conduit permits underground installation with only 3'-5' cover, even under heaviest ground loads. Overhead installations require a minimum of scaffolding and supporting structures. Units may be connected on ground before being lowered into trench or erected for overhead suspension. Entire piping systems are delivered completely prefabricated with all accessories--elbows, tees, anchors, ex pansion loops, etc.--ready for speedy, low cost installation. Ric-wiL manufactures three basic types of Prefabricated Insulated Piping Systems -- Hel-coR, Foilclad and Cast Iron Pipe Units. Pipe, insulation, and protective covering are factorv-tailored to individual specifications to meet any condition or requirement for outside piping distribution. For descriptive literature, full information, write: The Ric-wiL Company, Department 5-D. POWER April 1949 215