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10 Significant Marine Innovations Cargo Handling: Molten Sulphur Tanker Sails Four Years Sans Freeze-Ups NMttJohsAflUle Wejiave immediate openings world wide for: Captains (all tonnage and licenses) Mates (all licenses) Pilots Engineers (all horsepowers & unlicensed) Tankermen (all grades) AB's & OS's Deckhands (inland & offshore) Cooks & Galleyhands If you're ready to go to work give us a yell. We are the best at finding you the job you want. We do this with pride and professionalism, our state of the art computer system and massive search capabilities make the task of locating your position quick and efficient. Boat Crews USA The operatorj most moder enjoyed servic^^HKsl vatu^^Knal i M/V Sulphur world's largest and sulphur tanker has f near-continuous to the ship's inno- nance system. Sul- jidiary of Inter- oration, keeps se at sea hauling 58 Circle 126 on Reader Service Card "The Yearbook" around 24,000 long tons of molten sul- phur per trip. "We've had zero freeze- ups and zero maintenance associated with the bolt-on piping and valve heat- ing system," says Peter Johnston, Sul- phur Carriers' VP of operations. For reportedly the first time on any sulphur transport ship, a bolt-on heating system keeps the molten cargo flowing and the ship on schedule by preventing costly delays due to frozen pipes and valves. The innovative thermal mainte- nance system was engineered and built by Controls Southeast Inc., of Charlotte, N.C. Frozen lines and the resulting delays in loading and unloading can be very costly in lost transit time and addi- tional port charges. All the cargo-carrying pipes and valves aboard Sulphur Enterprise are surrounded by bolt-on oil-circulating ControTrace pipe heating elements and ControHeat valve jackets from CSI. Yet despite a harsh marine environment and a non-stop schedule, the bolt-on system has required neither repair nor replace- ment since the ship was launched. More important, it has eliminated the con- stant maintenance and frequent freeze- (ContinuecL on page 130) TOP: The M/V Sulphur Enterprise carries about 24,000 tons of molten sulphur from Louisiana and Texas to Florida. A sophisticated thermal maintenance system with bolt-on heating ele- ments from Controls Southeast Inc. keeps the molten cargo flowing for loading and discharge. BOTTOM: ControHeat! thermal maintenance modules from Controls Southeast Inc. keep valves open aboard the M/V Sulphur Enterprise. The maintenance-free bolt-on modules keep molten sulfur at 278°F. "The Yearbook" Maritime Reporter/Engineering News