Across International

<h2>What Is Short Path Distillation?</h2>
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Short path distillation (SPD), also called molecular distillation, is a batch thermal separation technique in which the evaporation surface and the internal condenser are positioned only centimeters apart within the same apparatus; the condenser is placed inside the distillation body rather than at the end of a vapor tube. Operating under high vacuum (0.001 to 1 mbar), the mean free path of vapor molecules becomes longer than the evaporation-to-condenser distance, enabling molecules to travel directly from the liquid surface to the condenser without collisions with other gas-phase molecules. This molecular flow regime eliminates the need to heat the sample to its atmospheric boiling point; effective separation temperatures are 100 to 200 degrees C below atmospheric boiling points. Residence time on the heated surface is short (seconds to a few minutes), further reducing thermal degradation. Short path distillation is the preferred purification technique for cannabinoids (THC, CBD), tocopherols, beta-carotene, fatty acid distillates, terpene fractions, high-molecular-weight pharmaceutical intermediates, and other thermally labile molecules with atmospheric boiling points above 200 degrees C that cannot tolerate the temperatures required for conventional distillation. Short path distillation is the technique to specify when you need maximum-purity separation of a heat-sensitive compound at gram-to-kilogram scale in a batch format; it achieves the lowest thermal stress of any batch distillation method.
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<h2 dir="ltr">What You Will Find:</h2>
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<ul>
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Complete Turnkey Packages: All-in-one 2L, 5L, and 10L setups designed for immediate deployment, ensuring every component&mdash;from glassware to controllers&mdash;is perfectly synced.
</li>
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Advanced Thermal Protection: High-performance fabric insulation sleeves and heated shields (up to 400&deg;C) that maintain uniform heat distribution and protect your samples from external fluctuations.
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Real-Time Process Analytics: Integrated fraction finders and StrataVac kits that take the guesswork out of your distillation, allowing for precise monitoring of molecular transitions.
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Precision Maintenance Essentials: Specialized low-vapor vacuum grease and high-temp lubricants to maintain an airtight seal and ensure the longevity of your high-vacuum environment.
</li>
</ul>
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<h2>How to Choose a Short Path Distillation System</h2>
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Flask capacity and batch size
Short path distillation is a batch process. Lab-scale systems are available for 0.5 L, 1 L, 2 L, 5 L, 10 L, and 20 L flask charges. Choose the flask capacity that matches your batch size with 50 to 70% fill (overfilling a distillation flask causes bumping and carryover). For continuous processing at higher throughput, specify a wiped film short path still or a thin film distillation system.
Heating flask temperature and distillation temperature
The heating mantle or oil bath sets the temperature of the flask containing the feed material. For molecular distillation of cannabinoids, operating temperatures of 150 to 200 degrees C at 0.001 to 0.01 mbar are typical. For fatty acid distillation, 180 to 220 degrees C at 1 to 10 mbar is common. The internal condenser temperature (coolant temperature) determines which components condense vs. pass through to the cold finger (fore-vacuum cold trap). Systematic variation of flask temperature collects fractions at different volatility cuts.
Vacuum system
Short path distillation at the molecular range (0.001 to 0.01 mbar) requires a two-stage rotary vane pump paired with a cold trap cooled to -40 degrees C or below. Some manufacturers supply the pump as part of the system kit; others specify the pump separately. Confirm ultimate vacuum (blank-off pressure) and pumping speed (L/min or m3/h) of the included or recommended pump before purchase. The pump's ultimate vacuum should be at least 10-fold below the target operating pressure of the distillation system.
Borosilicate glass kit components
A complete short path distillation kit includes the distillation flask (round-bottom), distillation head or still body with internal condenser and cold finger, multiple receiving flasks for fractions, a heating mantle or oil bath, a vacuum manifold, connecting glassware with PTFE seals, and thermometer adapters. Confirm that all components are borosilicate 3.3 glass and that PTFE rather than rubber seals are used at all joints exposed to solvent or vacuum.
Cold finger (internal condenser) temperature
The cold finger is the internal condenser: a water- or chiller-cooled central tube around which condensed distillate collects and flows to the receiving flask. Cold finger coolant temperature controls which fractions condense. For cannabinoid purification, cold finger temperatures of 20 to 60 degrees C separate distillate from heavy residue. A secondary external cold trap cooled to -40 degrees C protects the vacuum pump from any low-boiling fraction that passes through the cold finger.
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<h2>Specifications Context</h2>
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For cannabinoid purification workflows, pre-processing steps before short path distillation are standard practice: first decarboxylation (heating to convert THCA to THC and CBDA to CBD), then solvent removal by rotary evaporator, then first-pass short path distillation to remove residual terpenes and light fractions before second-pass distillation for final cannabinoid purity. Confirm that the SPD system's operating vacuum is sufficient for your target compound by consulting published vapor pressure data at the intended operating temperature; a compound's vapor pressure must exceed the system operating pressure for distillation to proceed.&nbsp;
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Take your purification to the next level&mdash;browse our premium short path collection and <a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> for a quote today.

Short Path Distillation

Ai HeadShield Fabric Insulation Sleeve for 5L Heads with Window

The Ai ultra-thick 400C-rated heating tops will keep your distillation setup at the peak of its performance, they will help prevent vapor condensation in the upper half of a flask, at the same time, protect the flask, the solutions, and the lab from drafts, which would disturb the reflux ration during fractionation, from flying glass of flask implosions in high vacuum distillations, from falling objects; and from thermal strain between the top and lower half of flask during high-temp operations.

Manufacturer

Ai HeatedShield 400C Fabric Heating Top with Temp Controller Specifications

Ai HeatedShield 400C Fabric Heating Top with Temp Controller

The Ai ultra-thick 400C-rated heating tops will keep your distillation setup at the peak of its performance, they will help prevent vapor condensation in the upper half of a flask, at the same time, protect the flask, the solutions, and the lab from drafts, which would disturb the reflux ration during fractionation, from flying glass of flask implosions in high vacuum distillations, from falling objects; and from thermal strain between the top and lower half of flask during high-temp operations.\r\n\r\nInner fabric color may change due to pre-treatment before shipment, which ensures that no smoke or odors (caused by heat) are released into your work environment.\n

Ai 2L HeatedShield 400C Fabric Heating Top with Temp Controller

Ai 5L HeatedShield 400C Fabric Heating Top with Temp Controller

Ai 10L HeatedShield 400C Fabric Heating Top with Temp Controller

Ai 20L HeatedShield 400C Fabric Heating Top with Temp Controller

<h2>What Are Jacketed Glass Reactors?</h2>
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A jacketed glass reactor is a borosilicate glass vessel (the reaction chamber) enclosed within a second glass or metal jacket through which a temperature-control fluid is circulated by a recirculating heater-chiller unit. The inner vessel holds the reaction mixture; the jacket temperature is controlled by the circulating fluid, which transfers heat to or from the reaction contents through the glass wall. This jacketed design allows precise temperature setpoints to be maintained even during exothermic reactions that release heat or endothermic steps that absorb it. The glass construction provides chemical resistance to most organic solvents, acids, and bases (excepting HF and hot concentrated phosphoric acid), allows direct visual observation of color changes, phase separation, precipitate formation, gas evolution, and mixing quality, and simplifies cleaning between batches. Jacketed glass reactors are used for organic and inorganic synthesis, API synthesis and development, crystallization and recrystallization, botanical and cannabis extraction, distillation under vacuum, liquid-liquid extraction, emulsification, and process chemistry development from 50 mL research batches to 200 L pilot runs. A jacketed glass reactor is the correct choice for any research or process development application at atmospheric pressure where visual access to the reaction is valuable; choose it first and switch to stainless steel only when pressure, temperature, or scale demands it.
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<h2 dir="ltr">What You Will Find:</h2>
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<ul>
<li data-section-id="65r6yu" data-start="21" data-end="193">Single- and dual-jacketed glass reactor systems for controlled chemical synthesis, extraction, crystallization, and process development.</li>
<li data-section-id="169jrm6" data-start="194" data-end="350">Jacketed reactor systems with integrated filtration for reaction, solid-liquid separation, and product recovery in a single vessel.</li>
<li data-section-id="mkgj02" data-start="351" data-end="490">Single- and dual-jacketed replacement glass vessels for maintaining or upgrading compatible reactor systems.</li>
<li data-section-id="1yfb1qj" data-start="491" data-end="647" data-is-last-node="">Condenser sets with receiving flasks for efficient vapor condensation and solvent collection during reactor operations.</li>
</ul>
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<h2>How to Choose a Jacketed Glass Reactor</h2>
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Single vs. double jacket
A single-jacketed reactor has one annular space between the inner vessel and a single outer wall, through which heat transfer fluid circulates. It is the standard for most research applications and provides good temperature control for volumes up to 20 L. A double-jacketed (vacuum-jacketed) reactor adds a second outer shell with the annular space evacuated, providing excellent thermal insulation, which is critical for cryogenic reactions where minimizing heat ingress from ambient is important, or for energy-efficient maintenance of extreme temperatures. Double-jacketed reactors cost more but deliver plus or minus 0.1 degrees C stability at cryogenic setpoints.
Volume selection
Jacketed glass reactors are available from 50 mL (small-batch pharmaceutical synthesis) through 1 L, 2 L, 5 L, 10 L, 20 L, 50 L, 100 L, to 200 L (pilot plant scale). Fill to 50 to 70% of nominal capacity. For research, 1 L to 5 L is the most common range. For crystallization development and botanical extraction, 10 L to 50 L is typical. 100 L to 200 L systems transition to pilot plant or small-scale production.
Glass grade and quality
Borosilicate 3.3 (per ISO 3585) is the standard for lab reactor glass, providing a linear expansion coefficient of 3.3 x 10^-6 per degree C and resistance to thermal shock. Confirm that all glassware components meet this standard. Neck openings, flange sizes, and port configurations vary by manufacturer; confirm compatibility with your overhead stirrer shaft diameter, condenser, and accessory ports before ordering.
Accessories and integration
A complete glass reactor system requires an overhead stirrer (with motor, shaft, and impeller), a reflux condenser, a drip funnel or addition funnel for reagent addition, a thermometer well or temperature probe port, a bottom discharge valve (Teflon or glass), a vacuum port, and a support stand. The reactor connects to an external chiller-heater circulator via inlet and outlet hose fittings on the jacket. Confirm that all accessories are compatible with each other and with the glass reactor flange standard (GL or DN thread; 29/42 or other standard taper joints).
Operating conditions: vacuum compatibility
Jacketed glass reactors can be operated under mild vacuum (for reactions requiring vacuum, reduced-pressure distillation inside the reactor, or solvent removal at the reaction stage). Confirm that the glass reactor is rated for the vacuum level required and that all seals and fittings are vacuum-rated. Operating under vacuum in a glass reactor requires particular caution to avoid implosion; use appropriate guarding and confirm the glass condition before applying vacuum.
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<h2>Specifications Context</h2>
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Glass reactor maintenance requires periodic inspection for chips, cracks, and star fractures; damaged glass must not be used under vacuum or with reactive reagents. The PTFE bottom discharge valve should be inspected for leaks and wear at each use. The overhead stirrer seal (where the shaft passes through the reactor lid) must be tight to maintain a vacuum; replace seals at the first sign of vacuum loss. When connecting to a chiller-heater, ensure that jacket inlet and outlet fittings are the correct size and that hose connections are secured with hose clamps rated for the operating temperature range. Borosilicate glass is resistant to thermal shock, but avoid rapid temperature changes exceeding 100 degrees C per hour to prevent cracking.&nbsp;
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Transform your synthesis workflow today&mdash;explore our specialized glass reactor packages and <a href="https://mbpinc.net/contact-us">contact the MBP team</a> for a tailored quote.

Glass Reactors

Ai Single Or Dual Jacketed Glass Reactor Systems Specifications

Jacketed glass vessel (Single or Dual), lid, clamps, and heavy-duty stainless steel stand with casters (shipped pre-assembled)

Glass vessel insulation jacket with openable viewing window (only for SINGLE JACKET REACTOR)

Upper and lower clamp set (pre-assembled)

Vertical condenser with dual cooling coils, 2 chilling fluid ports, and 1 vacuum port, glass

Glass condenser dispenser with drain port and PTFE open/close valve

Glass bottom drain port with PTFE open/close valve

Glass material feeding funnel, lid, and PTFE open/close valve

Explosion-proof stirring motor and motor support

Mechanical vacuum gauge with two 3/8″ hose barb ports

Explosion-proof temperature probe with PTFE seal

PTFE stirring blades (1 blade for R10/R20 and 2 blades for R50), stainless steel rod with PTFE liner

Insulated hose with drain port & open/close valve

3/8″ Stainless steel hose barb adapters

Rubber-wrapped condenser dispenser support and condenser bracket

Chilling fluid connector x 2, vacuum connector x 1, Gaskets

Allen key (x3), backup inner hex set screws (6), and bolts (2)

Ai Single Or Dual Jacketed Glass Reactor Systems

How to install the 10L Glass Reactor? Across International R10

Ai Jacket Reactor W/ Explosion-Proof Motor & Controller 220V

Ai ex series jacketed glass reactors are designed for synthetic reaction of different types of materials in a controlled temperature and vacuum environment. Each reactor features adjustable stirring speeds and a constant pressure feeding funnel that allows you to add material to the vessel at a uniform and controlled speed. The built-in condenser makes it possible to recover some materials, also at a controlled rate of speed.\r\n\r\n

Ai 10L Single Jacket Reactor w/ Explosion-Proof Motor & Controller 220V

Ai 10L Dual Jacket Reactor w/ Explosion-Proof Motor & Controller 220V

Ai 20L Single Jacket Reactor w/ Explosion-Proof Motor & Controller 220V

Ai 20L Dual Jacket Reactor w/ Explosion-Proof Motor & Controller 220V

Ai 50L Single Jacket Reactor w/ Explosion-Proof Motor & Controller 220V

Ai 50L Dual Jacket Reactor w/ Explosion-Proof Motor & Controller 220V

Ai 100L Single Jacket Reactor w/ Explosion-Proof Motor/Controller 220V

Ai 100L Dual Jacket Reactor w/ Explosion-Proof Motor/Controller 220V

Across International Single or Double-Jacketed Glass Filter Reactor Vessel Specifications

Non-Jacketed glass vessel, lid (7 ports), clamps, and heavy-duty stainless-steel stand with casters (shipped pre-assembled)

Ai 200°C 20L heating jacket with PID controller and mount bracket – 220V

Vertical condenser with dual cooling coils, 2 chilling fluid ports and 1 vacuum port, glass

Stirring motor controller with material temperature display

Allen key (x 3) and backup inner hex set screws (6) and bolts (2)

Non-Jacketed Glass Reactor System

Glass Jacketed Reactors and 316L Stainless Steel Reactors -Across International

Ai Non-Jacketed Glass Reactor with 200°C Heating Jacket ETL

No more expensive heating circulators, no more messy heat transfer fluid, adapters, and tubing. Introducing the new Ai ReactorHeater 200C heating jacket with a temperature controller that is designed for synthetic reaction of different types of materials in a controlled temperature and vacuum environment. Each reactor features adjustable stirring speeds and a constant pressure-feeding funnel that allows you to add material to the vessel at a uniform and controlled speed. The built-in condenser makes it possible to recover some materials, also at a controlled rate of speed

Ai 20L Non-Jacketed Glass Reactor with 200Â°C Heating Jacket

Ai 50L Non-Jacketed Glass Reactor with 200Â°C Heating Jacket

Ai 100L Non-Jacketed Glass Reactor with 200Â°C Heating Jacket

Ai 200L Non-Jacketed Glass Reactor with 200Â°C Heating Jacket ETL

Freezers

<h2>What Are Laboratory Freezers?</h2>
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Laboratory freezers are engineered cold-storage instruments that hold samples at defined subzero temperatures with the precision, uniformity, and reliability that biological and pharmaceutical research requires. Standard laboratory freezers (-10 to -25 degrees C) serve DNA, RNA, PCR enzymes, primary and secondary antibodies, and chemical reagents that are stable at -20 degrees C for weeks to months. Low-temperature models (-30 to -40 degrees C) provide better stability for lipid-containing formulations, some viral stocks, and antibody conjugates that degrade at -20 degrees C over extended storage. Ultra-low temperature (ULT) freezers (-40 to -86 degrees C) use a two-stage cascade compressor refrigeration system: a high-stage HFC compressor cooling to -45 to -50 degrees C, then a low-stage hydrocarbon or HFC compressor achieving -80 to -86 degrees C. ULT freezers are the standard for cell line banking, primary cell storage, tissue biorepositories, long-term RNA archiving, and samples with irreplaceable value. Select laboratory freezer temperature based on the minimum storage stability requirement of the most labile material in the freezer, not the most stable.
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<h2 dir="ltr">What You Will Find:</h2>
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<ul>
<li>Laboratory freezers: Ultra-low temperature (-86&deg;C) freezers, -40&deg;C medical freezers, and stackable models designed for long-term storage of biological samples, reagents, and research materials.</li>
<li><a href="https://mbpinc.net/equipments/temperature-control-equipment/refrigerators-and-freezers/freezers/freezer-accessories">Freezer accessories</a>: Storage boxes, stainless steel storage drawers, CO2 backup systems, and other components that improve sample organization and freezer reliability.</li>
<li>Cold-chain transport solutions: Vacuum-insulated shipping cubes designed to help maintain low temperatures during sample transportation.</li>
<li>Freeze-drying equipment: Pharmaceutical freeze dryers and vacuum gauges for monitoring primary drying in lyophilization workflows.</li>
<li>Sample preservation solutions: Equipment and accessories that support secure storage, transport, and processing of temperature-sensitive laboratory materials.</li>
</ul>
&nbsp;
<h2>How to Choose a Laboratory Freezer</h2>
&nbsp;
Setpoint temperature
-20 degrees C is appropriate for routine nucleic acid stocks (DNA, plasmid), PCR master mixes, enzymes with glycerol storage buffer, antibodies in glycerol, and chemical reagents stable at -20 degrees C. -40 degrees C extends stability for antibody-drug conjugates, lipid nanoparticles, and some viral vectors. -80 degrees C is required for cell lines (viable storage for 5+ years), primary patient-derived cells, long-term RNA banking (RIN preservation for more than 12 months), viral stocks requiring consistent infectivity, and compounds that crystallize or degrade at -20 degrees C.
Upright vs. chest format
Upright freezers access contents through a front door with shelves and are standard in most labs due to their small footprint and easy sample access. They experience larger temperature fluctuations when the door is opened (cold air spills out from the front). Chest freezers open from the top, retaining cold air better during access and providing more stable temperatures for the contents, making them preferred for seldom-accessed long-term storage and large sample collections. PHCbi and Thermo Fisher chest ULT models store 576-672 standard 2-inch boxes in large-capacity configurations.
Cascade refrigeration system
ULT freezers use a cascade two-stage compressor refrigeration system to reach -80 degrees C. The high-stage compressor uses HFC refrigerant (R-404A or R-290/R-170 mix) to precool the evaporator to -45 to -50 degrees C; the low-stage compressor then uses a secondary refrigerant (often R-508B or hydrocarbon blend) to extract heat from the cabinet against the precooled evaporator, reaching -80 to -86 degrees C. Two-compressor cascade systems are more reliable than single-compressor designs at these temperatures; a high-stage compressor failure raises cabinet temperature slowly while the low stage continues operating, providing a warning before critical sample temperature is reached.
Insulation quality
Cabinet insulation thickness determines the rate at which the internal temperature rises during a power failure or door-open event. Standard ULT freezers use polyurethane foam insulation (20-25 cm thick walls). Premium ULT models add vacuum-insulated panels (VIPs) to the door and selected walls, reducing energy consumption and slowing temperature rise during power loss. In the event of compressor failure, a typical -80 degrees C ULT cabinet temperature rises approximately 1 degree C per minute with the door closed and no backup system.
Backup systems
For high-value sample collections, ULT freezers can be paired with CO2 or liquid nitrogen (LN2) backup injection systems that activate when cabinet temperature exceeds a preset high-alarm threshold, injecting cryogen to maintain temperature for several hours while compressor issues are addressed. External monitoring and cloud-based alert systems using NIST-traceable probes with 24/7 SMS and email alarm notification are standard best practices for freezers containing irreplaceable biological material.
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<h2>Specifications Context</h2>
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ULT freezer capacity is specified in cubic feet or liters (internal volume) and in terms of the number of standard 2-inch (5 cm) sample storage boxes the unit can hold in standard racks; a large-capacity upright ULT holds 576-672 standard 2-inch boxes at -86 degrees C. Energy consumption of a -86 degrees C ULT freezer is typically 10-20 kWh per day; new models with hydrocarbon refrigerants and variable-speed compressors use 6-10 kWh per day at -80 degrees C setpoint. Temperature recovery after a 30-second door open event takes 3-10 minutes for research-grade ULT units, compared to 30+ minutes for consumer chest freezers. All new ULT freezer models from major manufacturers use HFC or hydrocarbon refrigerants with zero ozone depletion potential (ODP = 0), replacing CFC and HCFC refrigerants phased out under the Montreal Protocol and Kigali Amendment.&nbsp;
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To discuss product availability or get selection guidance,&nbsp;<a href="https://mbpinc.net/contact-us">contact the MBP team</a>.

Ultra-Low Temperature Freezers

Ai -86°C ultra-low upright freezer series

Ai DeepFreeze -40°C Upright Freezers

Ai RapidChill -86°C Stackable Ultra low Freezer

G4h–G34h by Ai (Across International) is the RapidChill series of -86°C stackable ULT upright freezers, available in capacities from ~4 to 34 cubic feet. Designed for fast pull-down and ultra-low power consumption, the series is UL 61010-1 and CSA C22.2 certified, features 48-hour battery backup for alarms, RS-485/USB connectivity with 15-year data logging, and a four-layer silicone door gasket with lockable exterior. Multiple models available; contact MBP for size and voltage options.

Manufacture

Ai RapidChill 4 CF -86°C Stackable Ultra low Freezer UL 110V

Ai RapidChill 12 CF -86°C Ultra Low Freezer Upright UL 120V

Ai RapidChill 26 CF -86°C Ultra-Low Temp Upright Freezer UL 110V

Ai RapidChill 34 Cu Ft CF -86°C Ultra-Low Temp Upright Freezer UL 220V

Ai RapidChill 20 CF -86°C Ultra-Low Upright ULT Freezer UL 110V

<h2>What Are Laboratory Recirculating Chillers?</h2>
&nbsp;
Laboratory recirculating chillers are compressor-based cooling instruments that circulate chilled fluid through a closed loop to remove heat from connected equipment or maintain below-ambient temperatures in a reactor, condenser, or instrument cooling line. Unlike tap-water cooling, recirculating chillers reuse coolant, eliminating water waste and ensuring stable setpoint temperatures independent of building water supply variations. Applications include rotary evaporator condenser cooling, jacketed reactor temperature control, protection of vacuum pump oil from vapor contamination, cooling of laser cavities, NMR superconducting magnets, and mass spectrometers. Modern air-cooled chillers achieve a coefficient of performance (COP) of approximately 3:1, meaning 1 kW of electrical input removes 3 kW of heat load. Choose a benchtop recirculating chiller for small-scale solvent recovery and instrument cooling; choose a floor-standing high-capacity model for jacketed reactors and multi-instrument cooling networks.
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<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Ai Recirculating Chillers offer a user-friendly and compact solution for everyday cooling, featuring powerful centrifugal pumps that keep your routine benchtop tasks moving smoothly.
</li>
<li dir="ltr" aria-level="1">
Julabo Dynamic Temperature Control units bring incredible speed to your workflow, allowing you to jump between extreme heat and cold with the precision your specialized research demands.
</li>
<li dir="ltr" aria-level="1">
HUBER Unistat and OLED Chillers make monitoring a breeze with crystal-clear displays and smart interfaces, putting total control of your chemical reactors right at your fingertips.
</li>
<li dir="ltr" aria-level="1">
PolyScience Immersion Coolers give you the flexibility to drop temperatures quickly in any bath or tank using high-tech probes and large, easy-to-read digital displays.
</li>
<li dir="ltr" aria-level="1">
Huber Air-Cooled Immersion Units handle the toughest ultra-low cooling jobs with ease, providing heavy-duty performance without the hassle of extra plumbing or water lines.
</li>
</ul>
&nbsp;
<h2>How to Choose a Lab Recirculating Chiller</h2>
&nbsp;
Cooling capacity at target temperature
Manufacturers publish cooling capacity in watts or kW at specific setpoint temperatures. A chiller with 500 W capacity at -20 degrees C may deliver only 200 W at -40 degrees C. Match cooling capacity to the actual heat load of the connected equipment at the required operating temperature, not the ambient-temperature rating.
Temperature range
Benchtop recirculating chillers reach -10 degrees C to -30 degrees C for most solvent recovery and condenser cooling applications. Deep-cooling models reach -40 degrees C to -80 degrees C for cryogenic trapping, lyophilizer condenser cooling, and temperature-sensitive biological workflows. Mechanical cold traps used with vacuum lines typically require -40 degrees C or colder.
Air-cooled vs. water-cooled
Air-cooled chillers dissipate heat via a fan into the room air and require no plumbing. They are the standard for bench-scale labs, but raise the room temperature and reduce efficiency when the ambient temperature exceeds 25 degrees C. Water-cooled chillers are more efficient at high heat loads and in warm environments, but require facility supply and drain connections.
Reservoir volume and flow rate
Reservoir volume (4 L to 60 L) determines thermal buffering capacity; larger volumes smooth out temperature fluctuations during high-load cycles. Flow rates of 10 L/min to 42 L/min are typical. External applications with long tubing runs or large jacketed vessels require higher flow rates to minimize temperature rise along the circuit.
Coolant compatibility
Most lab chillers use deionized water or water-ethylene glycol mixtures as coolant. For applications requiring temperatures below -20 degrees C, a 30-50% ethylene glycol mixture is standard to prevent freezing in the circuit. Confirm the chiller's internal materials (stainless steel, polypropylene, or PTFE wetted parts) are compatible with the intended coolant.
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<h2>Specifications Context</h2>
&nbsp;
Confirm coolant type compatibility, pump flow rate at target temperature (not ambient), and electrical requirements: 120V/60Hz for North America or 208-240V for high-capacity models. Modern environmentally responsible chillers use natural hydrocarbon (HC) refrigerants with low global warming potential (GWP). Closed-loop systems with optical fluid level sensors reduce maintenance downtime compared to mechanical float switches. Chillers maintaining temperature within plus or minus 0.1 degrees C or better are appropriate for precision analytical instrument cooling.
&nbsp;
Ready to beat the heat in your lab? Take a look through our chiller collection and <a href="https://mbpinc.net/contact-us">contact the MBP team</a> for a friendly quote today.

Chillers

AI Recirculating Chillers with Centrifugal Pump Specifications

1/2" NPT to 3/8" hose barb drain port adapter

Standard Package

Ai SST -20Â°C to 99Â°C 7L Compact Recirculating Chiller

Ai C20 series recirculating chillers are the true thermostatic control laboratory chiller, this closed laboratory chiller is ideal for applications such as cooling rotary evaporators, analytical instrumentation, laser etching, ICP, vacuum systems, plasma etching, and jacketed reactors. This system can also be used as a replacement to tap water cooling in laboratory applications.\r\n\r\nAi C20 are compressor-based recirculating chillers that offer outstanding performance and high reliability as well as quiet operation and ease of use. A powerful force/suction pump provides constant flow rates, while 2nd generation controller gives you the ideal solution when you need precise temperature control or cooling below ambient temperature.

 Model

 Temperature range

 Electrical requirements

Compressor

Heating capacity

Recirculating pump

Maximum pressure

Reservoir

Temperature controller        \n Type

Recommended coolant\n For 50°F/10°C or higher

Working environment

Unit/shipping dimensions

Unit/shipping weight

Safety

Warranty

Compliance

Peristaltic Pump

<h2>What is a peristaltic pump?</h2>
&nbsp;
A peristaltic pump moves fluid by squeezing a flexible tube between a rotating rotor with rollers or shoes and a curved backing surface, creating a progressing zone of compression that pushes fluid along the tube in the direction of roller travel. Because the fluid contacts only the inside of the tubing and never the pump mechanism itself, the pump mechanism remains completely uncontaminated between runs, and changing fluids requires only replacing or flushing the tubing without disassembling or cleaning the pump head. Flow rate is controlled by adjusting rotor speed, and the pump can run forward or in reverse for dispensing or withdrawal.
&nbsp;
<h2 data-start="417" data-end="442">What you will find:</h2>
&nbsp;
<a href="https://mbpinc.net/ai-sst-digital-peristaltic-pump-series"></a>Ai SST Digital Peristaltic Pump Series &ndash; Digital control pump for precise and programmable fluid flow
Ai Analog Peristaltic Pump Series (PM) &ndash; Simple control pump for stable and adjustable flow operation
&nbsp;
<h2>How to choose a peristaltic pump</h2>
&nbsp;
Select flow rate range based on your application's volume and timing requirements
Peristaltic pumps are available from micro-flow models running at nanoliters to microliters per minute for precision analytical or microfluidic applications, through standard laboratory models covering 0.001 mL/min to several liters per minute for chromatography and media exchange, to large-diameter industrial models for high-volume transfer. Match the pump's flow rate range to your typical and maximum required flow rates.
Choose the tubing material compatible with your specific fluid
Peristaltic pump tubing contacts the fluid directly and must be chemically compatible: silicone suits most aqueous buffers and media; Tygon and norprene resist many organic solvents; Viton resists strong solvents and concentrated acids; PTFE provides the broadest resistance. Confirming tubing compatibility before use prevents fluid contamination and tubing degradation.
Confirm the tubing inside diameter determines flow rate at a given RPM
For a given pump head and RPM, the volume delivered per revolution is determined by the tubing inside diameter &mdash; larger ID tubing delivers more volume per revolution. When replacing tubing, using the same ID as originally specified maintains the same flow rate calibration; changing to a different ID requires recalibration of flow rate against RPM.
Consider multi-channel pump heads for parallel fluid streams
Multi-channel peristaltic pump heads hold multiple tubes simultaneously, each driven by the same rotor, enabling equal-flow parallel delivery of multiple fluids without requiring multiple pumps.
Verify whether the pump speed control is manual or digital for your precision needs
Simple peristaltic pumps have manual speed control via a dial, while more advanced models offer digital speed control with LCD display, RS232 or USB communication for computer control, and programmable flow rate profiles for automated processes. The required precision and automation level of the application determines which control type is appropriate.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Peristaltic pumps produce pulsatile flow due to sequential roller compression rather than truly continuous flow, with pulsation degree depending on roller number, rotor speed, and tubing compliance. Multi-roller heads reduce pulsation at the cost of higher tubing wear, and pulse dampeners can be added downstream for sensitive detectors. As of 2026, four-or-more-roller pump heads are standard for chromatography applications where pulsation affects detector baseline stability.
<a href="https://mbpinc.net/contact-us">Get advice from professionals</a> in our lab supply company regarding the choice of peristaltic pumps for your laboratory needs.

Digital Peristaltic Pumps

Ai SST Digital Peristaltic Pump Series

PA by Across International is the Ai SST Digital Peristaltic Pump Series, offering four flow-rate models (P2A up to 2 L/min, P6A up to 6 L/min, P12A/P12M up to 12 L/min) with color LCD touchscreen control, reversible flow direction, and ETL certification (UL + CSA). Optional RS485, 0–5V/0–10V, and 4–20 mA interfaces enable direct PLC integration for automated fluid handling in research, pharmaceutical, and industrial lab settings.

Ai P2A 2L/min SST Peristaltic Pump Touchscreen controller ETL

Ai P6A 6L/min SST Peristaltic Pump Touchscreen controller ETL

Ai P12A 12L/min SST Peristaltic Pump Touchscreen controller ETL

Ai Short Path Distillation System Specifications

Across International Short Path Distillation Kits - For Essential Oil and Cannabis Distillation

Ai Short Path Distillation Kit

The Ai short-path distillation system is one of the best on the market. Features a newly re-designed distillation head with a larger vacuum jacket for less heat loss during distillation and an increased internal diameter for more efficient fractioning and condensation of Vapor with zero clogging. Its components are made of high-quality borosilicate glass 3. 3, PTFE seals, and Viton gaskets. This setup includes a Traceable digital thermometer.

Ai 2L Short Path Distillation Kit with Multiple Receiving Flasks

Ai 2 Liter Short Path Distillation Kit with Valved Adapter

Ai 5L Short Path Distillation Kit with Multiple Receiving Flasks

Ai 5 Liter Short Path Distillation Kit with Valved Adapter

Ai 10 Liter Short Path Distillation Kit with Valved Adapters

Jacketed glass vessel (Single or Dual), lid (6 ports), clamps, and heavy-duty stainless steel stand with casters (shipped pre-assembled)

PTFE hold down ring (pre-assembled on the filter)

Drainport filter plate adapter assembly (1 set)

Ai Single Or Dual Jacketed Filter Glass Reactor

The Ai jacketed filter glass reactors are designed for synthetic reactions of different types of materials in a controlled temperature and vacuum environment, jacketed filter reactors can be used for single or multi-step reactions and filtrations in the same vessel, production and process scale peptide synthesis. Filter base eliminates material transfers and significantly reduces material losses.\r\n\r\nEach Ai reactor features adjustable stirring speeds and a constant pressure-feeding funnel that allows you to add material to the vessel at a uniform and controlled speed. The built-in condenser makes it possible to recover some materials, also at a controlled rate of speed.

Ai 20L Single Jacketed Filter Glass Reactor

Ai 20L Dual Jacketed Filter Glass Reactor

Ai 50L Single Jacketed Filter Glass Reactor

Ai 50L Dual Jacketed Filter Glass Reactor

Ai 100L Single Jacketed Filter Glass Reactor

Jacketed glass vessel (Single or Dual), lid (6 Ports), clamps, and heavy-duty stainless steel stand with casters (shipped pre-assembled)

1″ glass bottom drain port with PTFE open/close valve

Temperature probe with PTFE seal with #35 clamp

PTFE stirring blades, stainless steel rod with PTFE liner

Chilling fluid connector x 2, vacuum connector x 1

Metal support 36” with three boss heads

Metal support with five boss heads and one ring support (R150)

Ai R-series single/dual jacketed glass reactors are designed for synthetic reaction of different types of materials in a controlled temperature and vacuum environment. Each reactor features adjustable stirring speeds and a constant pressure-feeding funnel that allows you to add material to the vessel at a uniform and controlled speed. The built-in condenser makes it possible to recover some materials, also at a controlled rate of speed.

Ai 10L Single Jacketed Glass Reactor Systems

Ai 10L Dual Jacketed Glass Reactor Systems

Ai 20L Single Jacketed Glass Reactor Systems

Ai 20L Dual Jacketed Glass Reactor Systems

Ai 50L Single Jacketed Glass Reactor Systems

Ai 50L Dual Jacketed Glass Reactor Systems

Ai 100L Single Jacketed Glass Reactor

Ai 100L Dual Jacketed Glass Reactor

Ai 150L Single Jacketed Glass Reactor ETL

<h2>What Are Rotary Evaporators?</h2>
&nbsp;
A rotary evaporator (commonly called a rotovap or rotavapor) is a laboratory instrument that removes solvent from a liquid sample through evaporation under reduced pressure. A round-bottom flask containing the sample is immersed partially in a heated bath and rotated, continuously coating the inner surface with a thin film of liquid. This thin film dramatically increases the evaporation surface area while the rotation prevents localized overheating. Vacuum applied through the system lowers the boiling point of the solvent by 30 to 80 degrees C compared to atmospheric pressure, allowing gentle removal without degrading heat-sensitive target compounds. Solvent vapors travel through a vapor duct to a condenser, where they are cooled and collected as condensate for recovery or disposal. The concentrated or dried sample remains in the evaporation flask. Common solvents removed include ethanol, methanol, ethyl acetate, dichloromethane, hexane, acetone, and toluene. A rotary evaporator is the right instrument when you need to remove a volatile solvent from a dissolved or extracted compound on a 1-L to 50 L batch scale; it is faster, gentler, and more solvent-efficient than open evaporation or distillation.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li data-section-id="187qfsp" data-start="25" data-end="166">Motorized Lift Rotary Evaporators: Ai SolventVap rotary evaporators with motorized lift for efficient solvent evaporation and recovery.</li>
<li data-section-id="b917ud" data-start="168" data-end="335">Rotary Evaporators with Cold Trap: Ai SolventVap systems featuring an electric lift and cold trap condenser to improve solvent collection and vacuum performance.</li>
<li data-section-id="n7wwro" data-start="337" data-end="484">Dual Receiving Flask Kits: Optional dual receiving flask assemblies for uninterrupted solvent collection during rotary evaporation workflows.</li>
<li data-section-id="163r8pz" data-start="486" data-end="637" data-is-last-node="">Replacement Heating Elements: Heating elements designed for compatible Ai SolventVap rotary evaporators to maintain reliable heating performance.</li>
</ul>
&nbsp;
<h2>How to Choose a Rotary Evaporator</h2>
&nbsp;
Flask size
Flask size is the primary sizing decision. For standard research synthesis and extraction labs, 2 L to 5 L systems handle most batch sizes. Choose a flask that accommodates 50 to 70% of your typical batch volume; overfilling causes bumping and carryover into the condensate. Larger 10 L, 20 L, and 50 L rotary evaporators are used for scale-up and extraction pilot runs. Confirm that the heating bath is sized appropriately for the chosen flask; a 20 L flask in a 5 L bath will not heat efficiently.
Condenser configuration
Vertical (coil-type) condensers provide high condensation surface area and are effective for high-boiling or slowly condensing solvents. Inclined (diagonal) condensers are the traditional rotovap configuration, providing good condensate flow to the receiver and compatibility with high-throughput solvent removal. Dry ice or cold-water condensers are used for low-boiling, highly volatile solvents (diethyl ether, pentane) requiring condenser temperatures well below 0 degrees C. Match condenser type and coolant temperature to the solvent being evaporated.
Vacuum control
Manual vacuum control (needle valve) is adequate for routine single-solvent applications. Automated vacuum controllers with digital setpoint and feedback control maintain a stable vacuum at the evaporation setpoint, preventing bumping and enabling programmed ramp-down vacuum protocols for multi-solvent samples. For regulated environments or high-throughput labs, automated vacuum control reduces solvent loss and operator attention time.
Water bath temperature range
Standard water baths reach 95 degrees C and are adequate for aqueous, alcoholic, and most organic solvent removal at moderate vacuum. For high-boiling solvents (DMSO: bp 189 degrees C; DMF: bp 153 degrees C), oil baths reaching 180 degrees C and a deeper vacuum (1 to 5 mbar with a rotary vane pump) are required. Confirm bath compatibility with the heat transfer fluid: water for temperatures to 95 degrees C; food-grade or synthetic oil for higher temperatures.
Cold trap requirement
A cold trap between the rotary evaporator and the vacuum pump is not optional; it is essential. Without a cold trap, solvent vapors contaminate pump oil, raising ultimate pressure and shortening pump life. A cold trap cooled to -20 degrees C to -40 degrees C (using a mechanical chiller) captures the vast majority of solvent vapor for the most common solvents. For highly volatile solvents (diethyl ether, pentane), a dry-ice trap at -78 degrees C may be required.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Evaporation rate is commonly specified in L/h for ethanol at a standard bath temperature and vacuum; use this as a relative performance indicator, not as an absolute rate for other solvents. Evaporation rates for dichloromethane, acetone, and ethyl acetate differ from those of ethanol at the same vacuum and temperature. Confirm that the drive motor seal (the rotating joint between the flask and the vapor duct) is rated for the full vacuum range of your pump. Worn drive seals are the most common cause of vacuum loss in rotary evaporators in regular use; replacement seals are available and should be kept in stock.&nbsp;
&nbsp;
Ready to upgrade your solvent recovery? Explore our full range of rotary evaporators and <a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> for a friendly quote today.

Rotary Evaporators

Ai SolventVap Rotary Evaporator with Motorized Lift Specifications

Ai SolventVap 1.3-gallon rotary evaporator and water bath

Vertical condenser with 2 chilling water ports and 1 vacuum port, glass

5L round shaped rotating evaporating flask, glass

3L receiving flask with detachable drain port

Three-way tee vapor buffering flask, glass

Glass receiving flask & condenser connector elbow with PTFE open/close switch

Receiving flask glass vacuum port with PTFE open/close valve

Glass material feeding port with PTFE open/close valve

Glass vapor duct with seal (pre-installed)

Mechanical vacuum gauge with 2 hose barb connectors

Rubber-wrapped condenser and receiving flask support and bracket

Ai plexiglass water bath cover for SolventVap 5L

SE13 Standard Package

Ai SolventVap 2.6-gallon rotary evaporator and water bath

10L round-shaped, big neck evaporating flask, glass

5L receiving flask with detachable drain port

Glass material feeding port with PTFE open/close valve, PTFE extension hose

Mechanical vacuum gauge with 3 hose barb connectors

Rubber-wrapped condenser support and bracket

SE26 Standard Package

Ai SolventVap 5.3-gallon rotary evaporator and water bath

20L round-shaped, big neck evaporating flask, glass

10L receiving flask with detachable drain port

SE53 Standard Package

Ai SolventVap rotary evaporator and water bath

50L round-shaped, big neck evaporating flask, glass

20L receiving flask with detachable drain port

SE130 Standard Package

Across International SolventVap Rotary Evaporators, UL/CSA compliant

Ai SolventVap Rotary Evaporator with Motorized Lift

Across International’s line of SolventVap rotary evaporators consistently deliver reliable and reproducible process results that are usually reserved for more costly systems.\r\n\r\n

Ai SolventVap 1.3-Gallon/5L Rotary Evaporator w/ Motorized Lift

Ai SolventVap 2.6-Gallon/10L Rotary Evaporator w/ Motorized Lift

Ai SolventVap 5.3-Gallon/20L Rotary Evaporator w/ Motorized Lift

Ai SolventVap 13G/50L Rotary Evaporator Motorized+Manual Lift

Ai SolventVap With Electric Lift And Cold Trap Condenser Specifications

Vertical cold trap condenser with 1 vacuum port & lid, glass

2L pear shaped evaporating flask, glass (choose based on volume of material to load)

0.26G/1L round shaped receiving flask, glass

Glass shaft cap and evaporator flask quick-release

3-prong 110V US power cord for evaporator

Ai plexiglass water bath cover for 2L SolventVap

SE05c.110 Standard Package

Ai 220V SolventVap 1.3-gallon rotary evaporator and water bath

1.32G/5L round shaped rotating evaporating flask, glass

Glass vapor duct and vacuum seal kit (pre-installed)

Stainless steel pole and mechanical vacuum gauge

Flask quick clamp (4 smaller pcs for condenser, receiving flask and feeder, 1 larger pc for 3-way flask) & oring

Ai plexiglass water bath cover for 5L SolventVap

SE13-S2 Standard Package

Ai SolventVap With Electric Lift And Cold Trap Condenser

Ai SolventVap evaporators series rotary evaporators come with a modular heating bath, vertical glassware, and digital temperature/rotation control that consistently deliver reliable and reproducible process results.\r\n\r\n