Document V38rYzXvBB4wOx4XzdKkBgoEo

Heat Tracing Products 25 January 1974 P.O. BOX 1961 HOUSTON. TEXAS 77001 Phone:(713)526-4448 EQUIPMENT AND SYSTEMS "STEAM-ELECTRIC-FLUIDS" PPG Industries P.O. Box 1000 Lake Charles. La. 70601 CTNO 178 Attention: Mr. Don Savoy Subject: Thermon's Channel Trace System Reference: Steam Tracing For Your Caustic Lines Dear Mr. Savoy: Confirming your conversation with our Mr. Robert Dorsey, enclosed please find engineering data books on Thermon heat transfer cements and heat transfer units for tanks and vessels. We have enclosed a materials and application guide for heat transfer cements. The guide describes Thermon's patented Channel Trace System and their Computrace System. Computrace is Thermon's Computer program used to solve external heat transfer problems regardless of size and scope at no cost to the customer. The following conditions were used in the design of your Channel Trace System. PRODUCT: Caustic - 78% PRODUCT TEMPERATURE: 210 - 250F LINE SIZES: 1-1/2" Schedule 10, Nickel 200 3" Schedule 10, Nickel 200 INSULATION: 1-1/2" Keylo Unibestos STEAM PRESSURE: 30 psig - 1-1/2" Line 100 psig - 3" Line AMBIENT TEMPERATURE: 15F with 25 mph wind Following are the results obtained from Computrace: Division of RALPH B. JOHNSON & CO.. INC. Bfl 0014366 i PPG Industries Lake Charles, La. CTNO 178 LINE ' SIZE TRACER NO. AND SIZE 1-1/2" 1-1/2" 1-1/2" 1 - 1/2" 1 - 1/2" 1 - 1/2" 3" 1 - 1/2" 3" 1 - 1/2" 3" 1 - 1/2" STEAM-Ts PSIG 250/15 274/30 274/30 250/15 337/100 337/100 Tp - F . Tp - F THERMON BARE 233 256 165 225 306 178 MAX. TRAP.DIST 211' 284' 366' 164' 378' 535' The materials and application guide also provides you with Information concerning estimation of materials requirements and typical Installation drawings. Thermon heat transfer cement, TFK-4 Channel, stainless steel banding, and stainless steel seals are stocked in our Houston warehouse. We trust you find this information helpful and want to thank you for your Interes in Thermon's products. Should you have any questions or If we may be of addition; assistance, please don't hesitate to contact us. Very truly yours, THERMON MANUFACTURING COMPANY Ralph B. Johnson & Co., Inc. Representatives RD/br I BB 0014367 4