Across International

<h2>What are pressing dies?</h2>
&nbsp;
Pressing dies are the precision-machined tooling inserted into a laboratory press that define the size and shape of a pressed pellet or disc, typically consisting of a cylindrical barrel, a bottom punch or anvil, a top punch, and sometimes an evacuable port. The die determines the pellet diameter, the achievable pressure per unit area at a given press force, and the surface finish quality of the pressed pellet. Standard die sizes are 13 mm for FTIR KBr pellets and 25, 32, or 40 mm for XRF pressed powder pellets, with stainless steel for most applications and tungsten carbide for trace element work where steel contamination must be avoided.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li>Square Easy Retrieve Dry Pressing Die Set</li>
<li>Cylindrical Easy Retrieve Dry Pressing Die Set</li>
<li>Evacuable Pellet Die Set</li>
<li>Mini Pellet Press Die Set</li>
<li>Hydraulic Press Die Accessories</li>
<li>Pellet Pressing Die Components</li>
</ul>
&nbsp;
<h2>How to choose pressing dies</h2>
&nbsp;
Match die diameter to your analytical instrument's sample holder
The 13 mm die is standard for FTIR spectrometers where the 13 mm pellet fills the aperture of the sample holder, while XRF instruments use 25, 32, or 40 mm diameter cups depending on the specific spectrometer model and cup type. Confirming the required pellet diameter from your instrument's user manual or sample cup dimensions prevents ordering the wrong die size.
Choose evacuable dies for cleaner FTIR pellets in humid environments
An evacuable die includes a vacuum port and o-ring sealed barrel that allows the die contents to be evacuated with a vacuum pump before and during pressing, removing air and moisture from the KBr-sample mixture. This produces pellets with reduced water absorption backgrounds in the FTIR spectrum, important for trace amount analysis where water vapor bands could obscure analyte peaks.
Choose tungsten carbide (WC) dies for trace element XRF analysis
Stainless steel dies contain iron, chromium, and nickel that can contaminate pressed pellets at trace levels detectable by XRF, while tungsten carbide dies introduce only tungsten and carbon, which are not typically analytes in environmental or geological XRF work. For trace element XRF analysis, WC dies are required to avoid systematic contamination of pressed pellet surfaces from the die.
Confirm die compatibility with your press model
Die sets must be compatible with the bore dimensions and plate geometry of the specific press. Confirm that the die outer diameter matches the press die seat before purchase, since dies and presses from different manufacturers may not be interchangeable.
Maintain dies correctly to preserve pellet surface quality
Scratches or pitting on die surfaces transfer defects to pressed pellets, reducing optical quality for FTIR or surface flatness for XRF. Regular gentle cleaning and periodic polishing with fine alumina paste on punch faces maintains die surface quality.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
The pressure applied to the sample equals press force divided by die area: a 10-ton press through a 13 mm die produces approximately 700 MPa, while the same force through a 40 mm die produces approximately 75 MPa. Producing the same pellet density in a larger die therefore requires proportionally more force, and a press adequate for 13 mm FTIR pellets may not deliver sufficient compaction for 40 mm XRF dies.
<a href="https://mbpinc.net/contact-us">Request a quote today from the expert team at Molecular Biology Products Inc. (MBP)</a> to find the right pressing dies for your lab.

Pressing Dies

Dry Pressing Die Set Specifications

Dry Pressing Die Set

A set of hardened steel dry pressing die set for pellet presses, are ready for you to make cylinder-shape pellets. These pressing die sets are available in different sizes ranging from 6mm to 100mm diameter.\r\n\r\n

Manufacturer

6mm ID Pressing Die Set w/ 2 Push Rods

8mm Diameter ID Hardened Steel Dry Pressing Die Set

10mm Diameter ID Dry Pressing Die Set

13mm Diameter ID Dry Pressing Die Set

15mm Diameter ID Dry Pressing Die Set

20mm Diameter ID Dry Pressing Die Set

25mm (1") Diameter ID Dry Pressing Die Set

30mm Diameter ID Dry Pressing Die Set

40mm Diameter ID Dry Pressing Die Set

50mm Diameter ID Dry Pressing Die Set

76mm Diameter ID Dry Pressing Die Set

100mm Diameter ID Dry Pressing Die Set

Vacuum Pump

<h2>What are laboratory vacuum pumps?</h2>
&nbsp;
Laboratory vacuum pumps are instruments that remove gas from a connected vessel or system to create sub-atmospheric pressure for applications including rotary evaporation of solvents, vacuum filtration through B&uuml;chner funnels and membranes, SpeedVac centrifugal concentration, gel drying, lyophilization rough vacuum, and degassing of solvents and solutions. MBP carries vacuum pumps from Vacuubrand, Welch, and ULVAC, which together cover the full range of laboratory vacuum needs from moderate filtration vacuum to deep vacuum for turbomolecular backing, available in oil-free diaphragm and oil-sealed rotary vane configurations.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul style="list-style-type: disc;">
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/edwards-pumps" style="color: #236fa1;">Edwards Pumps: </a>Reliability at its best &ndash; with strong vacuum pumps that are made to work for high-performing industrial and research purposes.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/agilent-pumps" style="color: #236fa1;">Agilent Pumps: </a>Get the most out of high vacuum pumps engineered for mass spectrometry, leak testing, and other advanced lab methods.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/vacuubrand-pumps">Vacuubrand Pumps: </a>Take advantage of German-engineered diaphragm pumps and vacuum control devices that are resistant to chemical agents and easy to maintain.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/welch-pumps">Welch Pumps: </a>Perfect for all your routine lab procedures using vacuum pumps made with quality materials for durability and versatility.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/ulvac-pumps" style="color: #236fa1;">ULVAC Pumps:</a> Use proven Japanese vacuum technology renowned for reliable and effective operations in manufacturing and thin-film production.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/vaccum-pump-accessories" style="color: #236fa1;">Vacuum Pump Accessories:</a> Boost your system&rsquo;s capabilities with oil mist filters, traps, and other accessories to optimize pump performance.</li>
</ul>
&nbsp;
<h2>How to choose between vacuum pump brands and types</h2>
&nbsp;
Choose Vacuubrand for premium PTFE diaphragm and chemistry vacuum systems
Vacuubrand diaphragm pumps are known for their high-quality PTFE-wetted construction, precise chemistry vacuum control systems with automatic set-point regulation, and a broad range of configurations from single-stage to two-stage models, making them the preferred brand for demanding rotary evaporation and concentration applications where reproducible vacuum control is important.
Choose Welch for reliable, cost-effective diaphragm and corrosion-resistant vacuum
Welch (by Gardner Denver) diaphragm pumps offer solid performance for routine filtration and moderate vacuum applications at a competitive price point, with the Dryfast ULTRA series as their flagship oil-free, chemically resistant product line covering most common laboratory vacuum needs.
Choose ULVAC for applications requiring deeper vacuum
ULVAC rotary vane oil-sealed pumps achieve deeper ultimate vacuum levels than oil-free diaphragm pumps, making them appropriate for applications like thin-film deposition, high-vacuum instruments, manifold vacuum systems, or backing turbomolecular pumps, where vacuum levels below 1 mbar are required.
Check the accessories catalog for vacuum tubing, traps, and gauges
Accessories include cold traps and chemical traps to protect pumps from solvent and corrosive vapors, vacuum tubing (rubber, silicone, or PTFE), and vacuum gauges and controllers for monitoring and regulating applied vacuum.
Match ultimate vacuum and pumping speed to your application requirements
Ultimate vacuum determines the lowest pressure achievable, while pumping speed determines how quickly the system reaches and maintains that vacuum. Both must be matched to system volume and gas load from evaporation, filtration, or outgassing.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
The choice between oil-free diaphragm and oil-sealed rotary vane pumps is primarily determined by required ultimate vacuum and chemical exposure. Diaphragm pumps provide oil-free, low-maintenance vacuum suitable for most chemistry and biology applications above ~1&ndash;5 mbar, while rotary vane pumps achieve deeper vacuum but require oil changes and carry contamination risk.
As of 2026, oil-free diaphragm pumps from Vacuubrand and Welch cover most standard molecular biology and chemistry vacuum applications, while ULVAC rotary vane and dry pumps serve specialized deep-vacuum requirements.
Do you need any assistance figuring out your displacement or pressure requirements? Our experts at MBP are here to help. <a href="https://mbpinc.net/contact-us">Contact us for a customized quote.</a>

Vaccum Pump

Dual Diaphragm Rebuild Kit for ULVAC DTC-41 1.6 cfm Pumps

The DTC-41-Kit by Across International is a complete dual-diaphragm rebuild kit for the ULVAC DTC-41 1.6 CFM dual-stage chemical-duty vacuum pump. Includes 2 diaphragms, 3 Valve A, 2 Valve B, 4 O-Rings S-28, 2 O-Rings P-10A, 4 O-Rings AS568-110, and a bill of materials — a full service kit in one part number. Order from MBP with direct specialist support.

Manufacture

Dual Diaphragm Rebuild Kit for ULVAC UDP 6 cfm Pumps

The UDP6-Kit by Across International is a complete dual-diaphragm rebuild kit for ULVAC UDP-6 6 CFM chemical-duty vacuum pumps. Includes 2 diaphragms, 2 head cover gaskets, 4 valves, 4 O-Rings N-15, 2 O-Rings P-18, and a bill of materials — everything needed to service both pump heads in a single procedure. Order from MBP with direct specialist support.

<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 dual receiving flask bridge with two PTFE open/close valves

Ai 35# QuickClamp set x 3, 50# QuickClamp set x 2

Receiving flask glass vacuum port with PTFE open/close valve

Receiving flask glass drain port with PTFE open/close valve

Rubber-wrapped 10L receiving flask support
Straight support length: 25 inches, diameter: 8.75 inches
Angled support length: 22 inches, diameter: 8.75 inches

SE53-DR Standard Package

Ai 35# QuickClamp set x 3, 60# QuickClamp set x 2

Rubber-wrapped 20L receiving flask supports
Straight support length: 20.25 inches, diameter: 13 inches
Angled support length: 24.5 inches, diameter: 13 inches

SE130-DR Standard Package

Dual Receiving Flask Kit for Ai SolventVap Rotary Evaporator

The Ai dual receiving flask kit allows you to switch between two receiving flasks, without interrupting your rotary evaporator’s operation.\r\n\r

Dual Receiving Flask Kit for Ai SolventVap 20L Rotary Evaporator

Dual Receiving Flask Kit for Ai SolventVap 50L Rotary Evaporator

Laboratory Oven

<h2>What Are Laboratory Ovens?</h2>
&nbsp;
Laboratory ovens are electrically heated, thermally insulated chambers that maintain a defined temperature for drying, heating, curing, sterilizing, or processing solid samples and materials placed on internal shelves. Unlike water baths or dry block heaters that heat liquid samples in tubes, laboratory ovens process bulk materials, glassware, powders, porous materials, and large samples that cannot fit in tube-based incubators. The two principal oven types are forced air convection ovens (using a fan to circulate heated air at 300-500 m3/h for uniform, rapid temperature distribution and moisture removal) and vacuum drying ovens (sealing the chamber and using an external vacuum pump to reduce pressure below 133 Pa, dramatically lowering the boiling point of water and solvents to enable low-temperature drying at 30-60 degrees C for heat-sensitive materials). Choose forced air convection for most drying, sterilization, and curing applications at temperatures above 50 degrees C. Choose vacuum ovens when samples are heat-sensitive, oxygen-sensitive, or require solvent removal at temperatures below 60 degrees C.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<a href="https://mbpinc.net/equipments/temperature-control-equipment/laboratory-oven/forced-drying-ovens" title="Forced Drying Ovens:">Forced Drying Ovens:</a>
<ul>
<li>High-speed fans ensure rapid temperature recovery and perfect heat uniformity across every shelf.</li>
<li>Stainless steel interiors provide maximum durability and are easy to keep clean and organized.</li>
</ul>
<a href="temperature-control-equipment/laboratory-oven/vacuum-drying-ovens" title="Vacuum Drying Ovens:">Vacuum Drying Ovens:</a>
<ul>
<li>Reduced-pressure environments allow for safe moisture removal at lower temperatures for heat-sensitive materials.</li>
<li>Digital safety controls protect your samples from oxidation and prevent accidental overheating.</li>
</ul>
&nbsp;
<h2>How to Choose a Laboratory Oven</h2>
&nbsp;
Forced air vs. vacuum
Forced air convection ovens use a fan to distribute heated air uniformly throughout the chamber, providing rapid temperature recovery after door opening and temperature uniformity of plus or minus 1-5 degrees C across the chamber. They are suitable for drying glassware and labware after washing, dehydrating soil or biological specimens for moisture content analysis, dry heat sterilization at 160-180 degrees C, polymer curing, aging tests, and annealing of soft materials. Vacuum drying ovens remove air and moisture from a sealed chamber by vacuum pump, enabling drying at 30-200 degrees C at pressures below 133 Pa. They are required for heat-sensitive pharmaceuticals and APIs, porous materials with moisture trapped in internal cavities, electronic components sensitive to oxidation, and materials processed under oxygen-free conditions.
Temperature range
Standard laboratory ovens cover ambient plus 10 degrees C to 250-300 degrees C for most research and quality control applications. Forced air drying ovens such as the Labtron LFDO-A18 specify RT plus 10 degrees C to 300 degrees C with 225 L capacity. High-temperature ovens reach 350-500 degrees C for ceramics and materials research. Vacuum drying ovens typically cover RT plus 10 degrees C to 200 degrees C; the lower maximum reflects the glass or stainless steel chamber design and silicone door seal constraints. Avoid specifying an oven with a maximum temperature far above the required process temperature: ovens are less stable and less uniform at temperatures well below their ceiling.
Chamber volume and shelf capacity
Oven chamber volume is specified in liters (15 L to 500 L for benchtop models; floor-standing models up to 1,000 L) or cubic feet (0.5 to 18 cu. ft.). Shelf count, shelf dimensions, and maximum load per shelf (kg per shelf) determine actual sample throughput. Standard benchtop laboratory ovens have 2-4 adjustable stainless steel perforated shelves. Vacuum ovens have 2-4 heated shelves in a smaller chamber (typically 0.6-3 cu. ft.) sealed for pressure operations.
Temperature uniformity
Uniformity (variation across the chamber at setpoint) for forced air ovens is typically plus or minus 2-5 degrees C for standard models and plus or minus 0.5-2 degrees C for precision models. Uniformity is improved by forced air circulation but remains poorer than dry block heaters or water baths because the larger chamber volume contains thermal gradients even with fan circulation. Placing samples in the center of the chamber away from walls and heating elements reduces exposure to thermal gradients.
Safety and ventilation
Standard laboratory ovens are not rated for flammable solvent applications and must not be used with volatile organic solvents (ethanol, acetone, diethyl ether): solvent vapors can ignite on the heating elements or fan motor. For flammable solvent work, explosion-proof or flammable-material-safe ovens with ATEX-rated motors and all-inert internal components are required. Over-temperature protection (safety thermostat at a fixed cutoff above the setpoint) and over-current protection are standard safety features on research-grade laboratory ovens.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Forced air ovens achieve temperature uniformity of plus or minus 2-5 degrees C across the chamber when the fan is in operation; uniformity degrades toward the chamber corners and near the heating elements. Vacuum drying ovens at 0.098 MPa vacuum (133 Pa, near full vacuum for benchtop models) reduce the boiling point of water from 100 degrees C to approximately 40-50 degrees C, enabling thorough drying of heat-sensitive materials at setpoints as low as 40 degrees C without thermal degradation. Dry heat sterilization of glassware in a forced air oven is typically performed at 160-180 degrees C for 2-4 hours, destroying bacterial spores and endotoxin more effectively than autoclave steam sterilization at equivalent temperatures. Forced air laboratory ovens with 4-zone heated air jacket designs, microprocessor PID controls, programmable multi-segment ramp-and-hold profiles, and USB data logging are the standard specification for new research and pharmaceutical laboratory installations.&nbsp;
&nbsp;
Ready to upgrade your thermal capacity? Explore our laboratory oven range and <a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> for a friendly quote today.

Vacuum Ovens

Quick disconnect fitting (pre-installed at vent port)

ECO 150C Vacuum Drying Oven with LED Lights

A step-by-step guide to installing and calibrating the AT Vacuum Oven. Learn the correct setup process and calibration tips to ensure optimal performance.

AT Vacuum Oven Installation and Calibration

AT09-50 by Across International is the ECO 150C Vacuum Drying Oven with LED Lights — a 0.9 cu ft (approx. 25.5 L) stainless steel chamber rated to 150 °C under &lt;500 micron vacuum, with 3-sided 1,500 W heating, microcomputer PID control, and a 1–9,999 min timer. Includes 4 aluminum shelves (expandable to 8), a KF25 vacuum flange, dual-layer tempered glass window, and LED interior lighting. Available in 110V and 220V. Suitable for solvent removal, degassing, pharmaceutical drying, and electronic component processing.

ECO 150C 0.9 Cu Ft Vacuum Drying Oven with LED Lights

ECO 150C 1.9 Cu Ft Vacuum Drying Oven with LED Lights

ECO 150C 3.2 Cu Ft Vacuum Oven 3 Heated Shelves & LED Lights

ECO UL 150C 14 Shelf Max 5 CF Vacuum Oven w/ LED Lights

Edwards Dual-Stage Exhaust Mist/Odour Filter

EMF00 by Edwards is a dual-stage exhaust filter that captures oil mist at 99.999% efficiency (DOP test) and neutralizes odours from rotary vane vacuum pump exhausts using a borosilicate glass fibre mist element and an activated carbon odour stage. The semi-transparent housing enables visual oil level monitoring, and an integral pressure relief valve protects the pump if the filter becomes blocked. Suitable for labs operating vacuum pumps in enclosed spaces where COSHH compliance and personnel protection are required.

Edwards EMF10 Dual-Stage Exhaust Mist/Odour Filter

Edwards EMF20 Dual-Stage Exhaust Mist/Odour Filter

Edwards Pumps

<h2>What are Edwards vacuum pumps?</h2>
&nbsp;
These leading global vacuum technologies offer a broad range of laboratory and industrial systems. The lineup includes single-stage oil-sealed rotary vane pumps for standard workflows, robust two-stage rotary vane pumps for deeper vacuum and higher throughput, and advanced dry scroll pump series for completely oil-free operation. These systems are widely specified by analytical instrument manufacturers as the required or recommended roughing pump for mass spectrometers, electron microscopes, and other high-vacuum instruments requiring reliable rough vacuum.
&nbsp;
<h2 data-path-to-node="0">What You Will Find:</h2>
&nbsp;
<ul data-path-to-node="1">
<li>
Robust, dual-stage oil-sealed rotary vane pumps recognized across the industry for achieving fast pumping speeds and handling heavy vapor loads.
</li>
<li>
Oil-free dry scroll systems featuring hermetically sealed mechanisms to provide clean, high-performance vacuums without the risk of oil back-streaming.
</li>
<li>
Chemically resistant dry diaphragm units built with premium PTFE components to handle aggressive solvent vapors directly in routine chemistry applications.
</li>
<li>
Advanced turbomolecular pumps and integrated pumping stations engineered to deliver steady ultra-high vacuum levels for sensitive analytical instrumentation.
</li>
</ul>
&nbsp;
<h2>How to choose an Edwards vacuum pump</h2>
&nbsp;
Choose the RV series for oil-sealed single-stage deep roughing vacuum
The Edwards RV series (RV3, RV5, RV8, RV12) are single-stage oil-sealed rotary vane pumps achieving ultimate vacuum levels of approximately 0.001&ndash;0.005 mbar with pumping speeds from 3 to 12 m&sup3;/h, covering the roughing vacuum requirements of most analytical instruments from small benchtop mass spectrometers to larger research instruments.
Choose the E2M series for two-stage deep vacuum and higher throughput
The Edwards E2M series provides two-stage oil-sealed rotary vane pumping with deeper ultimate vacuum than single-stage models, reaching approximately 0.00015 mbar, and higher pumping speeds for larger instruments or applications requiring faster pump-down times.
Choose the nXDS dry scroll pump for oil-free analytical instrument backing
The Edwards nXDS series (nXDS-6i, nXDS-10i, nXDS-15i) are dry scroll pumps providing oil-free roughing vacuum to approximately 0.07 mbar ultimate vacuum, positioned as oil-free alternatives to the RV series for analytical instruments where oil contamination risk must be eliminated, similar in function to the Agilent IDP series.
Confirm Edwards pump compatibility with your instrument's specifications
Many analytical instrument manufacturers specify Edwards pump models by series and model number in their installation guides, and using the specified model ensures compatibility with the instrument's vacuum system connections, flow requirements, and expected pump-down time. Using a pump of insufficient pumping speed can prevent an instrument from reaching operating vacuum within the expected time.
Plan for oil maintenance requirements of oil-sealed RV and E2M models
RV and E2M series pumps require regular oil changes using Edwards-specified Ultragrade pump oil, with oil condition monitoring recommended and oil change intervals dependent on the application's chemical exposure and operating cycle. A cold trap upstream prevents solvent vapor from contaminating the oil and shortening oil life.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Edwards RV series rotary vane pumps achieve their deep ultimate vacuum using a two-gas-ballast system that can be opened to purge condensable vapors from the oil during pump operation, reducing the rate of oil contamination when operating in humid environments or when small amounts of condensable vapors are present. As of 2026, Edwards RV and nXDS pumps remain among the most widely specified roughing pump series for analytical instrument installations, with the nXDS gaining adoption as an oil-free alternative to the RV for new installations where oil-free operation is preferred.
<div class="html-content mt-[30px] rounded-[30px] border border-gray5 px-5 py-6">
<a href="https://mbpinc.net/contact-us">Get in touch with the experts at MBP</a> today to request your custom quote.
</div>

Edwards RV8 6.9 CFM Dual-Stage Vacuum Pump with Bellow & Fitting

RV8 by Edwards is a dual-stage rotary vane oil-sealed vacuum pump with 6.9 CFM pumping speed and a NW25/KF25 inlet, rated at 48 dB(A) and weighing 57 lbs. Includes 3-ft KF25 stainless steel bellows, flange hardware, Ultragrade 19 oil, and 110V power cord. Suitable for GC-MS, rotary evaporation, freeze drying, and vacuum distillation.

XDS Series Dry Scroll Vacuum Pumps

Edwards nXDS Series Dry Scroll Pumps Product Video

Edwards XDS Series Dry Scroll Pumps

The XDS35iC by Edwards Vacuum is a 35 m³/h (21 CFM) two-stage oil-free dry scroll pump in the Enhanced Corrosive series, featuring Chemraz valve pads for chemical-duty gas streams. Ultimate pressure: 0.03 mbar (no gas ballast). Input: 100–240 VAC, 50/60 Hz. KF40 inlet / KF25 exhaust. Weight: 48 kg (105 lb). 57 dB(A) noise. Edwards part number A73008983. Mains cable not included.

Edwards XDS35iC 25cfm Chemical-Resistant Scroll Pump w/ silencer

Edwards XDS46iC 35cfm Chemical-Resistant Scroll Pump w/ silencer

NXDs Series Dry Scroll Vacuum Pumps

Edwards nXDS10iC 7.5 cfm oil free scroll vacuum pump

KF25 stainless steel vacuum bellow (3 ft)

Packing Process Sheet(Printed On Receipt Paper)

Edwards nXDS10iC 7.5 cfm Chemical-Resistant Dry Scroll Pump

Edwards nXDS20iC 16.5 cfm oil free scroll vacuum pump

Edwards nXDS20iC 16.5 cfm Chemical-Resistant Dry Scroll Pump

Edwards nXDS6iC 4.0 cfm oil free scroll vacuum pump

Edwards nXDS6iC 4.0 cfm Chemical-Resistant Dry Scroll Pump

Edwards nXDS Series Dry Scroll Pumps

The nXDS10iC by Edwards Vacuum is a chemical-resistant dry scroll vacuum pump rated at 7.5 CFM (12.7 m³/h) displacement speed and 0.007 mbar (5 micron) ultimate pressure. The iC variant adds Chemraz® internal valves and stainless-steel fittings for halogenated solvent and acid vapor applications where standard elastomers fail. Oil-free operation eliminates exhaust oil mist and oil backstreaming concerns. KF25/NW25 inlet, 280W, 100–240V. Contact MBP for pricing and institutional quotes.

Vacuum Pump accessories

<h2>What are vacuum pump accessories?</h2>
&nbsp;
Vacuum pump accessories include protective, connective, monitoring, and maintenance components that support vacuum system performance and extend pump lifetime across all pump types.
&nbsp;
<h2 data-path-to-node="0">What You Will Find:</h2>
&nbsp;
<ul data-path-to-node="1">
<li>
Specialized dry scroll pump service kits containing high-grade replacement tip seals to restore optimal compression and peak vacuum performance.
</li>
<li>
Precision-engineered tip seal replacement kits designed to maintain reliable, oil-free seals and prevent performance degradation in compact dry scroll systems.
</li>
</ul>
&nbsp;
<h2>How to choose vacuum pump accessories</h2>
&nbsp;
Use a cold trap for solvent protection
Cold traps condense solvent and water vapors before they reach the pump, reducing contamination in oil-sealed systems and protecting diaphragms and seals in oil-free pumps.
Use manufacturer-specific maintenance kits
Each pump type requires specific replacement parts: Agilent IDP tip seal kits, Vacuubrand and Welch diaphragm kits, and Edwards or ULVAC vane and seal kits. Using compatible OEM parts ensures correct performance and longevity.
Choose PTFE tubing for chemical resistance
PTFE tubing is recommended for organic solvents and corrosive chemicals. Rubber or PVC tubing is suitable only for aqueous or low-reactivity applications.
Select correct pump oil for oil-sealed systems
Oil-sealed pumps require manufacturer-specified oil grades to maintain proper viscosity, sealing, and vacuum performance.
Use vacuum gauges for system monitoring
Vacuum gauges help verify system pressure, detect leaks, and confirm pump performance during operation.
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<h2>Specifications context</h2>
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Vacuum pump components such as diaphragms, seals, and tip seals are wear parts that must be replaced periodically using manufacturer-approved kits to ensure correct fit, material compatibility, and performance.
As of 2026, field-serviceable maintenance kits for major vacuum pump brands allow routine servicing in academic and industrial laboratories without factory intervention.
<a href="https://mbpinc.net/contact-us">Contact team at MBP</a> today for quick quote.

Vaccum Pump Accessories

Edwards nXDS Series Dry Scroll Pumps Tip Seal Service Kit

nXDS-TSK by Edwards (part number A73501801) is the official tip seal replacement service kit for all nXDS series dry scroll vacuum pumps — nXDS6i through nXDS20i and all C and R variants. The kit enables field-level minor rebuild of the vacuum pump's primary wear component with minimal special tooling, restoring ultimate vacuum performance without depot service. Compatible with all nXDS pump variants in the 6–20 m³/h range.

Exhaust Silencer Filter for Edwards nXDS Series Vacuum Pumps

The ES10 by Edwards is an exhaust silencer filter for Edwards nXDS6i, nXDS10i, nXDS15i, and nXDS20i dry scroll vacuum pumps. It combines multi-stage noise reduction with integrated tip-seal dust filtration, mounts vertically or horizontally, and uses a patented high-grade filter element with butterfly gasket for tool-free element changes. Recommended when the pump is not connected to a house exhaust system.

<h2>What are ball mills and mixing equipment?</h2>
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Ball mills and mixing equipment use mechanical energy to grind solid samples into fine particles, disrupt biological cells for molecular extraction, homogenize heterogeneous samples, and mix reagents, solvents, or cultures. The major types include planetary ball mills that use rotating grinding vessels with balls for high-energy size reduction; bead mill homogenizers that shake tubes containing sample and small beads for rapid cell disruption in molecular biology; vortex mixers for rapid agitation of tubes and microplates; rocker and roller platforms for gentle continuous mixing during incubation steps; and overhead stirrers for viscous or large-volume applications.
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<h2 dir="ltr">What you will get here:</h2>
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Laboratory ball mills for particle grinding
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Planetary ball mills for mixing
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Jar mills for grinding and blending
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Mixer mills for sample homogenizing
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Vibratory ball mills for small sample grinding
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Grinding jars and milling media
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Benchtop ball mills for labs
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High energy mills for research
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<h2>How to navigate Ball Mills &amp; Mixing equipment</h2>
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Use a planetary ball mill or mixer mill for grinding hard materials to powder
Planetary ball mills and swing/mixer mills apply high-energy impact and friction to grind rock, minerals, soil, plant material, and other hard samples to micrometer-scale particle size in minutes, suitable for preparing samples for elemental analysis, spectroscopy, or other analytical methods requiring homogeneous fine powder.
Use a bead mill homogenizer for fast cell disruption and tissue homogenization
Bead mill homogenizers (such as the FastPrep, TissueLyser, or equivalent) shake or oscillate tubes filled with sample and small beads at high speed, lysing cells and disrupting tissue in seconds to a few minutes, producing a homogeneous lysate directly in the tube with no external probe to clean between samples.
Choose vortex mixers for rapid tube agitation in routine molecular biology
Vortex mixers provide rapid circular agitation of tubes by pressing the closed tube onto the vibrating cup surface, and are used throughout molecular biology for mixing reactions, resuspending pellets, mixing samples with buffers, and other quick agitation tasks where brief, high-intensity mixing is needed.
Use rocker or roller platforms for gentle long-duration mixing
Rocking platforms, rotating wheel mixers, and roller platforms provide gentle, continuous mixing suitable for antibody incubation on blot membranes, bead incubations for immunoprecipitation, and other applications where prolonged agitation rather than brief intense mixing is needed.
Consider throughput when selecting bead mill or mixing equipment
Single-tube bead mill homogenizers process one sample at a time for precious or highly variable samples, while 24-well or 96-well plate format bead mills process many samples simultaneously. Vortex mixers with microplate adaptors mix entire 96-well plates at once, suitable for high-throughput molecular biology workflows.
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<h2>Specifications context</h2>
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Bead mill homogenizers are characterized by oscillation speed, tube format support, and cooling adapter availability to prevent sample heating during extended bead beating. As of 2026, bead mill homogenizers with interchangeable adapters for 2 mL microtubes, 15/50 mL centrifuge tubes, and 96-well plates are the standard in core facility and high-throughput molecular biology settings.
<a href="https://mbpinc.net/equipments/ball-mills-and-mixing">Get a quote from MBP</a> &ndash; the experts in molecular biology products.

Ball Mills & Mixing

Gear-Drive Planetary Ball Mill Specifications

PQN04 Standard Package

PQN2 Standard Package

PQN4 Standard Package

Across International PQ-N 4x1000ml Gear-Drive 4-Liter Planetary Ball Mill

New! UL/CSA Certification for Ball Mills

Gear-Drive Planetary Ball Mill

The PQ Series Planetary Ball Mills (PQ-N04, PQ-N2, PQ-N4) are high-efficiency tools designed for mixing, homogenizing, fine grinding, and more. Ideal for both wet and dry milling, they offer low noise and fine granularity, achieving particle sizes as small as 0.1 micron. With four grinding stations, these mills use Coriolis Forces for efficient milling. Features include adjustable timer functions, multiple grinding methods, and the option for vacuum processing. They are versatile, reliable, and suitable for a range of research and industrial applications.\n\n\n\n