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Photo 6: These TCUs are used in pharmaceutical applications for cyclic conditions ranging from -20°F to +400°F. Heat transfer and flow are calculated to generate optimal thermal and hydraulic performance. In addition, pipe stress and strain requirements are determined from cyclic thermal conditions and incorporated in the layout. This unit includes an expansion tank and integral deaerator section to reduce start-up time by eliminating steam, gases and volatiles from the thermal oil. The unit also features an integral thermal buffer section which helps to maintain constant loop temperature and helps eliminate thermal shock.

Photo 7: On this -100°F alloy TCU, precise jacket and batch temperature control help to protect the Glass-Lined Hemicoil* reactor against spalling. The TCS exclusive TCX-1000 welded plate heat exchangers use steam for indirect heating, calcium chloride brine for temperatures to -20°F, and liquid nitrogen for cryogenic applications down to -100°F. All key temperatures are monitored and controlled by a PLC provided by TCS.

Photo 8: TCUs with electric heaters and chilled water exchangers provide tight temperature control for applications such as resin and plastic platens, extruders, hot melt exchangers, tempered sheet rolls, high speed printers and cooked food processing.

Photo 9: This TCU uses an outdoor air cooler to temper +650°F hot oil to as low as +100°F. The NEMA 4 unit can be used to cool resin "hot melt" heat exchangers as well as batches.

Photo 10: ANSI 300# flanged compact TCUs for pharmaceutical applications are available in 6 standard sizes ranging from 30 to 300 GPM. Outside direct media can be either low temperature thermal oil or glycol. Units can be used to heat and cool conventional and half-pipe glassed and alloy reactors, as well as tumble, rotary and tray dryers. Higher flow rates are available on request.