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r■ r r r �r r rr �Ir r r rr ■r ■r rr r ■r rr rr <br /> Go <br /> RAILROAD TANK CARS <br /> CONTAINER SHAPE DESCRIPTION CONTENTS <br /> NON-PRESSURIZED TANK CARS HORIZONTAL TANK WITH FLAT, OR NEARLY •TRANSPORTS WIDE VARIETY <br /> FLAT ENDS. OF LIQUIDS, MOLTEN SOLIDS <br /> • FITTINGS AND VALVING VISIBLE ON TOP AND SOME LIQUEFIED GASES. <br /> OF CAR. <br /> •OLDER CARS WILL HAVE AN EXPANSION <br /> DOME WITH VISIBLE FITTINGS. <br /> •TANK PRESSURES LESS THAN 100 psi. <br /> �} •OFTEN HAS BOTTOM UNLOADING VALVES. <br /> tiJ <br /> PRESSURIZED TANK CARS HORIZONTAL TANK WITH ROUNDED ENDS. •TRANSPORTS FLAMMABLE <br /> ® ® FITTINGS AND VALVES ENCLOSED IN DOME. AND NON-FLAMMABLE COM <br /> •OFF WHITE PAINT INDICATES SPRAYED-ON PRESSED GASES AND CLASS A <br /> THERMAL INSULATION. POISONS. <br /> • BLACK PAINT USUALLY WILL INDICATE A <br /> JACKETED TANK CAR. <br /> CRYOGENIC LIQUID TANK CARS WELL INSULATED "THERMOS BOTTLE" DESIGN. •TRANSPORTS LIQUID OXYGEN, <br /> • DOUBLE SHELL TANK SIMILAR TO FIXED LIQUID HYDROGEN, LIQUID <br /> STORAGE TANKS. NITROGEN. <br /> •TRANSPORT LOW PRESSURE REFRIGERATED <br /> LIQUIDS(PRESSURES 25psig OR LOWER). <br /> • ABSENCE OF ANY TOP FITTINGS. <br /> • LOADING/UNLOADING FITTINGS AND SAFETY <br /> RELIEF DEVICE OFTEN FOUND IN CABINETS AT <br /> B A0 DIAGONAL CORNERS OR ON ONE END AT <br /> GROUND LEVEL. <br /> FIGURE 6-6: RAII.ROAl) I ANK CARS <br />