Circulators

HVAC

Immersion Circulator suits basic liquid heating applications.

May 9, 2014

Suitable for use in baths as large as 20 L and compatible with DIN 12876-1 Class I non-flammable liquids, LX Immersion Circulator delivers intuitive temperature control for day-to-day laboratory applications. Digital readout displays actual bath temperature and set point temperature simultaneously. Along with ambient +10° to 98°C temperature range and ±0.07°C temperature stability, features include timer, single-speed pump, heavy-duty mounting clamp, and fully integrated housing. Read More

Material Handling & Storage, HVAC, Controls & Controllers

Water Cooled Circulator enables precise temperature control.

March 5, 2014

Constructed mostly of stainless steel, including 1 hp pump and 14 gallon tank, IMS Hydra Water Cooled Circulator uses glycol, virtually eliminating rust and other long-term issues related to water use. Combination of high-speed digital PID temperature controller with 9 kW heating element allows accuracy in process water at ±1°F variance. Circulating 30 gpm at 88 ft head (38 psi), IMS Hydra enables temperature range from slightly above plant water temperature up to 250°F. Read More

HVAC

Refrigerated Circulator optimizes electrophoresis separations.

November 21, 2013

Featuring -20 to +200°C working temperature, Model AD07R-20 combines intuitive touch-pad operation with automatic or user-adjustable fluid optimization and ±0.01°C temperature stability to maintain buffer solutions at optimum temperatures, even under varying electrophoresis voltages. Digital system features serial and USB connectivity, 3.75 in. LCD, variable speed pressure-suction pump, and rotating control head that provides clear view of display anywhere within 180° viewing radius. Read More

HVAC

Circulator and Chiller suit respirometry applications.

August 15, 2013

Designed for use with anaerobic respirometers, Model 210 Heated Circulator controls temperature from ambient to 158°F with ±0.4°F stability. Unit has 750 W heater and single speed centrifugal pump that delivers up to 3.0 gpm at 2.0 psi. Recommended for use with aerobic respirometers, ¼ hp Model 5206M Recirculating Chiller controls temperatures from 14–158°F with ±0.2°F stability. Magnetic drive centrifugal pump delivers up to 4.1 gpm at 10 psi. Read More

HVAC

Air Circulators feature stainless steel construction.

September 7, 2010

Featuring stainless steel guards, motors, and brackets for complete rust proofing and cleanliness, Air Circulators are suitable for food production and processing sectors as well as chemical industry. Any components that are not stainless steel are made of inert plastic to eliminate any possibility of contamination to nearby products. Available with 460, 630, and 810 mm blade diameters, dual-speed units are supplied in fixed head or oscillating versions. Read More

HVAC, Thermal & Heating Equipment, Laboratory and Research Supplies & Equipment

Circulating Water Baths combine ergonomics, functionality.

March 5, 2010

Designed to accommodate work habits and requirements of laboratory personnel, touch-screen operated refrigerating/heating and heat-only baths are offered with temperature ranges as broad as -40 to +200°C and temperature stabilities as precise as ±0.005°C. There are 6 different temperature controllers, including 2 programmable models, and ergonomic features include swiveling control head, integral lid docking system, and corrosion- and chemical-resistant top plate. Read More

HVAC

Water Circulator facilitates heat loss adjustment.

March 23, 2009

Featuring microprocessor-based, variable speed differential controller, Delta T 00 Circulator enables users to accurately calculate and adjust for heat loss because it automatically adjusts to deliver optimal heat transfer based on actual operation of system on continuing basis. Unit is suitable for use in multi-zone radiant manifolds with loop actuator and in series loop systems using zone valves. Read More

HVAC, Chemical Processing & Waste Management, Materials & Material Processing

Circulating Baths operate at -40 to +200°C.

October 16, 2008

With 6, 13, or 28 L capacities, Refrigerating/Heating Circulating Baths are offered with choice of controllers. Programmable Controller offers LCD display, ±0.01°C temperature stability, and time/temperature programming, while Advanced Digital Controller has variable-speed pump and RS-232 interface. Featuring 2-speed pump, Standard Digital and Basic Controllers, suited for applications where temperature set points remain relatively static, have stability of ±0.05 and ±0.2°C, respectively. Read More

HVAC

Refrigerating/Heating Circulator suits external applications.

October 13, 2008

With working temperature range of -40 to 200°C, Model 9712 suits applications including control of jacketed reactor vessels and reaction blocks as well as polymerization, polycondensation, and distillation. It features ±0.01°C temperature stability, 13 L reservoir, and variable-speed pressure/suction pump capable of delivering pressure flow rates up to 30 Lpm. Offering data logging capability, programmable controller stores up to 10 different 50-step time/temperature programs. Read More

HVAC

Laboratory Circulator features 1-touch set point selection.

October 13, 2008

Suited for general laboratory applications where set points seldom vary, Model 9106 Circulator provides cooling or heating for viscometers, electrophoresis cells, and other lab devices at temperatures from -20 to +150°C. It offers one-touch temperature selection, PID temperature control, and ±0.05°C temperature stability. Requiring less than one sq-ft of bench space, unit features 3 user-programmable temperature presets, 6 L reservoir, and integral 2-speed pump. Read More

HVAC

Immersion Circulator comes with microprocessor controller.

October 13, 2008

Model 7306 Immersion Circulator offers ambient temperature range of 5-150°C, ±0.05°C temperature stability, and 3 user-settable temperature presets for setpoint changes. It features integral 2-speed pump for internal as well as external circulation, user-adjustable over-temperature safety, and low-liquid level cutoff. Unit occupies 6½ x 4¾ in. area within bath, and is available for both 120 and 220 V operation. Read More

HVAC

Wet Rotor Circulators are equipped with 3-speed motors.

October 8, 2008

Designed for domestic hot water and closed-loop heating systems, NRF-25 and NBF-25 employ 3-speed switch and motors that promote coverage for range of hydraulic capabilities. Elements of construction include DuraGlide(TM) Bearing System, heat-resistant and non-metallic closed impeller design, as well as self-cleaning particle shield. Covering multiple hydraulic settings, circulators offer flow rates from 24-45 gpm and heads from 19-33 ft. Optional check valve is available for NRF-25. Read More

HVAC

Immersion Circulator is optimized for footprint, efficiency.

October 6, 2008

Integrating pumps, cooling systems, and heaters, Polystat® laboratory circulators are designed for optimal heat exchange efficiency, uniformity, and reservoir agitation. Digital, advanced digital, and programmable controllers are available in 6, 13, and 28 L models. Closed laboratory circulator, used for heating/cooling from -10 to +80°C, has sealed design that minimizes fluid evaporation and prevents fluid contamination. It maintains temperature to 0.1°C with flow rates to 12 Lpm. Read More

HVAC, Communication Systems & Equipment

Single Junction Circulators target cellular base stations.

April 23, 2008

Intended for wireless infrastructure applications, PCxxxAG-21H Series is manufactured with samarium cobalt magnets packaged in aluminum housings. Units cover 5 major cellular frequency bands from 869-2,170 MHz, while exhibiting optimal intermodulation distortion performance. Offered in industry standard 1 x 1 in. packages, all drop-in circulators are lead-free and RoHS compliant. Read More

HVAC, Controls & Controllers

Laboratory Circulator heats and cools external applications.

March 3, 2008

Able to control temperatures from -10 to +80°C, HAAKE EZ Cool 80 is constructed of stainless steel and has bathless design that minimizes evaporation of temperature fluid during daily use. In addition to heating and cooling external applications such as analytical instrumentation, jacketed reactors, and rotary evaporators, product can also be used to replace tap water cooling in small lab applications. Read More

HVAC

Refrigerating/Heating Circulators feature 13 L reservoir.

September 20, 2007

Offering precise temperature control for range of applications, 9500 Series is available with choice of 3 controllers and integrated simplex or duplex pump. Products are capable of operating temperatures up to 200°C and provide cooling capability down to -30°C with ±0.01°C temperature stability. Model 9512 features programmable controller with LCD, multi-language help menus, and time/temperature programming. It stores up to ten 50-step programs and offers data logging capability. Read More

HVAC, Fluid & Gas Flow Equipment

Wet Rotor Circulators feature 3-speed design.

June 2, 2006

Suited for residential and light commercial heating systems, Models NRF-36 and NRF-45 are equipped with 3-speed motors, which allow pumps to cover wide range of hydraulic capabilities. Units include DuraGlide(TM) Bearing System, heat-resistant and non-metallic closed impeller, and self-cleaning particle shield. Read More

HVAC

Circulator provides temperature control from -90 to +200°C.

July 27, 2004

Low-volume, hydraulically sealed Unistat 291w provides temperature control for various critical processes and applications such as kilo labs, process research, miniplants, and production. It features cooling capabilities up to 19.0 kW with 24.0 kW of heating, and delivers efficient heating and cooling over -90 to +200°C range. Read More

HVAC

Mini-Circulator suits small volume sample holders.

July 21, 2004

EchoTherm(TM) Model CB20 Constant Temperature Chilling/Heating Mini-Circulator is Peltier-based for heating and chilling and requires no compressors or CFCs. Temperature range is 4.0-70.0°C, accurate to ±0.1°C. Settable in 1% increments, variable pumping range is 0-300 ml/min. Circulator includes transparent reservoir cover, 3/32 x 4 in. stainless steel platinum RTD probe, 3 ft cable, and RS232 I/O port for computer control or data logging. Read More

HVAC

Air Circulators feature cast aluminum airfoil propeller.

February 23, 2004

Heavy Duty Air Circulators are available with 3-speed, 115 V, oscillating and non-oscillating motors and single-speed, 3-phase explosion proof motors. Propeller produces low noise levels and is self-cleaning due to highly polished surface. Complete selection of mounting accessories is available. Read More