Recirculating CoolersSuited for most standard cooling applications, the FL Series includes 22 models that provide 0.3 to 20 kW of cooling capacity with a temperature range of -40 to 104°F (-20 to 40°C). Models can accommodate return line temperatures up to 176°F (80°C) and pump up to 80 l/min at 87 psi. Features include simple operation with RS232 and alarm outputs, intuitive operation, digital interfaces, rapid cooldown times, a small footprint, and ease of maintenance. Water- and air-cooled designs are available, and these capabilities make the recirculating coolers a good substitute for tap water cooling.
Julabo, (800)458-5226, email@example.com, www.julabo.com
Combination heating/chilling system is suited for applications such as jacketed vessels, reactors, multiple-zone processes, laboratory, sanitary, food processing, chemical processing and other processes that require both heating and chilling. The system integrates a circulating water system with a chiller. It if offered in heating capacities up to 96 kW, pumping capacities up to 120 gal/min, chilling capacity from 2 to 40 tons, and has a temperature range of 20 to 300°F (-7 to 149°C).
Mokon, (716) 876-9951, www.mokon.com
Designed to maximize bench space, three space-saving chiller lines from the company are designed for use with rotary evaporators, jacketed incubators, small reaction vessels, condensers, and other devices that require robust heat removal. Series LS has a working temperature range of -4 to 104°F (-20 to 40°C) and provides 475 W of cooling at 14°F (-10°C). Series LM has a working temperature range of 14 to 86°F (-10 to 30°C) and provides 230 W cooling capacity at 14°F. Series MM has a working temperature range of 23 to 122°F (-5 to 50°C) and provides 129 W of cooling at 23°F (-5°C). All three control temperature with ±0.18°F (±0.1°C) stability and are equipped with a low flow rate alarm, user-adjustable high and low temperature alarms, a top-mounted fill port with built-in fluid filter, lighted fluid level indicator, and washable rigid-frame air filter.
PolyScience, (800) 229-7569, www.polyscience.com
Environmentally Friendly Portable Chilling
Series GP offers R410a refrigerant, designed to meet the latest regulatory requirements. An electronic modulating capacity control maintains leaving fluid temperature to within 0.1°F, and electronic sensors with digital readout include leaving and entering fluid temperatures; compressor suction pressure; compressor discharge pressure; condenser inlet temperature; superheat, sub-cool; pump pressure and tank level. Monitoring the conditions of the chiller provides adaptive control, where the operator can adjust the operation of certain components when the chiller approaches an alarm condition in an effort to keep the chiller running with minimal to no downtime. Optional web access allows a technician to diagnose alarms and see real-time data remotely.
Sterling, (262) 641-8610, www.sterlco.com
Neslab ThermoFlex recirculating chillers conserve resources by recycling the water used for cooling equipment. Features of the line include a range of available cooling capacities up to 10,000 W; installation flexibility; and innovative design features. The units have a robust refrigeration system designed for continuous use. The recirculation system incorporates a reliable plumbing design to eliminate leaks and improve performance. Integrated air and fluid filters minimize wear to mechanical parts.
Thermo Fisher Scientific, (800) 258-0830, www.thermo.com/thermoflex
Thermoelectric Recirculating Heater/Chiller
Pelti-Therm, a thermoelectric recirculating heater/chiller system, is suited for applications such as semiconductor and pharmaceutical, where temperature stability and reliability are critical. It is environmentally friendly and compatible with a range of coolants. Safety features include overtemperature protection and redundant overtemperature interlocks.
Applied Integrated Systems, (925) 447-0162, www.appliedintegratedsystems.com
Mold Temperature Control Units
Sentra Series temperature controllers are water-circulating units that control process application temperatures between 30 and 250°F (-1 and 121°C) for heating and cooling. SK Series process liquid chiller is suited for use in processes such as plastic molding and die-casting. LE Series includes the company’s AVT modulating cooling valve for precise straight line temperature control and a microprocessor instrument for easy-to-use operation. Heating capacities range from 10 to 34 kW.
Advantage Engineering, (317) 887-0729, www.advantageengineering.com
550°F Oil Unit
With an operating temperature to 550°F (288°C), hot-oil unit is available in single- or dual-zone designs. Heating capacity is 6 to 24 kW, and pumping capacity is 10 to 24 gal/min. With heating and cooling capabilities, the hot-oil unit has an electrical package built in accordance with NEC electrical code and with UL listed electrical components. The single-zone unit has a 24 x 16 x 46" footprint.
Delta T Systems, (262) 628-0331, www.deltatsys.com