Connection elements for local vacuum network VACUU LAN®
The VACUU LAN® local vacuum network allows multiple work stations to be connected to a single vacuum pump. This is useful for almost any conventional vacuum application in a chemical laboratory VACUU LAN® can be directly incorporated into new laboratory installations or retro-fitted. All assemblies have integral check (1-way) valves. A practical and economical solution for multiple vacuum users in a single laboratory.Detailed brochures are available on request!The VACUU LAN® local vacuum network allows multiple work stations to be connected to a single vacuum pump. This is useful for almost any conventional vacuum application in a chemical laboratory VACUU LAN® can be directly incorporated into new laboratory installations or retro-fitted. All assemblies have integral check (1-way) valves. A practical and economical solution for multiple vacuum users in a single laboratory.Detailed brochures are available on request!
Spare parts sets for KNF Pumps
For the maintenance of KNF pumps. Contains all necessary membranes, seals, etc.
Vacuum system SC 920 G
Vacuum system for 1 rotary evaporator.Application: Rotary evaporation, distillation, central vacuum supplyFlow rate up to 1.21 m³/h / Ultimate vacuum 2 mbar abs.Automatic, precise boiling point detection and boiling point tracking using an integrated ramp functionPPS pump heads in combination with PTFE-coated diaphragms are ideal for aggressive/corrosive gases and vapoursSpeed controlledIntegrated gas ballast valveConnectors for tube: pneumatic ID10 mm, coolants ID8 mm, inert gas ID6 mm
Cold traps with Dewar flask, borosilicate glass 3.3, one-piece, standard version with KF NW small vacuum flange
One-piece cold trap with matching Dewar flask made of borosilicate glass 3.3 for vacuum applications. Ideal for condensing out moisture or solvents. The Dewar flasks are vacuum-insulated, silver-plated and have a blue-coated metal protective jacket with a support ring into which the cold trap is hung.With the KF NW small vacuum flange made of glass, pumping units with small metal vacuum flanges (ISO 2861) can be connected to the cold traps.Scope of supply: Cold trap, support ring, Dewar flask type 12 CThe standard assembly is designed for use with LN2 as coolant. When using CO2 and acetone please order CO2 wire basket separately.
Spare cold traps for cold traps with Dewar flask, borosilicate glass 3.3, one-piece
One-piece spare cold traps made of borosilicate glass 3.3.Versions of the cold trap connections:S 29 = spherical ground joint S 29O 29 = spherical ground joint S 29 with O-ring sealGL 18 = glass thread GL 18 with PTFE olive Ø 10 mmKF NW 16 or 25 = small vacuum flange KF NW 16 or 25
Compact Vacuum Controller VACUU·SELECT®, benchtop version
Fully equipped two-point vacuum controller with capacitive, gas type-independent absolute pressure measurement using an alumina-ceramic diaphragm. Ready to use due to standard laboratory connections.Scope of supply: Vacuum controller VACUU·SELECT® with chemistry suction line valve, check valve, integrated ceramic vacuum sensor, venting valve and power supply.Fully equipped two-point vacuum controller with capacitive, gas type-independent absolute pressure measurement using an alumina-ceramic diaphragm. Ready to use due to standard laboratory connections.Scope of supply: Vacuum controller VACUU·SELECT® with chemistry suction line valve, check valve, integrated ceramic vacuum sensor, venting valve and power supply.
Chemistry Pumping Units VARIO® select
The combination of speed controlled VARIO® chemistry diaphragm pumps and the new VACUU·SELECT vacuum controller makes the VARIO® select chemistry pumps the ideal solution for chemical processes that require precise vacuum, such as rotary evaporation, vacuum drying or vacuum concentration.High chemical resistance and therefore ideally suited for pumping aggressive gases and vapours.Short process times and smooth running due to optimal setting of the pressure via the VACUU·SELECT controller.The VARIO® technology controls the vacuum precisely and efficiently via motor speed.Power consumption, maintenance and noise are exceptionally low.The outlet catchpot and solvent condenser combine to prevent solvent vapor emissions into the lab, allowing for nearly full recovery of solvents.Country-specific power cord versions available on request.
Vacuum Controller VACUU·SELECT
Fully equipped vacuum controller with capacitive, gas type-independent absolute pressure measurement using an alumina-ceramic diaphragm. While the base unit Vacuum Controller VACUU·SELECT®still requires a separate vacuum control valve as an accessory, there is the fully equipped Compact controller VACUU·SELECT®as two-point vacuum regulator with chemical suction line valve.With connected vacuum valve the VACUU·SELECT® automatically detects the boiling point during solvent evaporation and switches to two-point control mode. The graphical user interface offers predefined vacuum processes for all common laboratory applications. Applications, such as desired vacuum and other parameters can also be put together and controlled individually.Interactive, graphic touch display for easy operationTouchscreen display can be operated with safety glovesPredefined vacuum processes for reproducible results and time savings in the laboratoryFully automatic evaporations at the touch of a buttonEasy-to-use application editor for creating your own processesIntegrated help functionIntegrated ventilation valve also for inert gasEthernet/USB (Type A) interfaceEX approval: II 3/- G IIC T4 X Internal Atm. OnlyThe fully equipped basic unit without vacuum control valve can be positioned freely. A matching range of accessories offers everything for fitting into a variety of laboratory applications.Scope of delivery: Vacuum Controller VACUU·SELECTwith integrated ceramic vacuum sensor and venting valve, fold-out stand and power supply.Please order suction line valves separately.
Fine vacuum controller package VACUU·SELECT + VSP 3000, KF DN 16
The packages enable convenient vacuum control in the fine vacuum range from 5 mbar down to 10-3 mbar and consist of a VACUU·SELECT vacuum controller, a VSP 3000 vacuum sensor, VV-B 15C solenoid-operated valve and all necessary small flange components. Measurement principle: Thermal conductivity (Pirani), chemically resistant plastics/ceramics.The packages enable convenient vacuum control in the fine vacuum range from 5 mbar down to 10-3 mbar and consist of a VACUU·SELECT vacuum controller, a VSP 3000 vacuum sensor, VV-B 15C solenoid-operated valve and all necessary small flange components. Measurement principle: Thermal conductivity (Pirani), chemically resistant plastics/ceramics.
Chemistry Pump Units and Vacuum Systems
Compact design, ready to use, no set-up required. Constructed in chemically resistant materials. Quiet operation.100% oil-free pumping of gasesgas ballast as standard for working with condensable vapoursgood vacuum even with gas ballasthigh vapour tolerance for water and solventslong service life, low maintenanceFeatures:2AK: Inlet and outlet separatorAK + EK: Inlet separator, exhaust vapour condenserPC 510 select (two-stage) / 610 select (three-stage) : with AK + EK; 1 electronically controlled vacuum portPC 511 select (two-stage) / 611 select (three-stage) : with AK + EK; 1 electronically controlled and 1 manually controlled vacuum portPC 520 select (two-stage) / 620 select (three-stage) : with AK + EK; 2 electronically controlled vacuum portsCharacteristics and applications: Without vacuum control: MZ 2C NT +2AK: e.g. filtration, distillation without condensation at the outletMZ 2C NT +AK+EK: Well-proven unit for a wide range of applications for a single-user, e.g. gel drying, distillation, vacuum concentrator. For solvents with medium to low volatility.MD 1C +AK+EK: Space-saving single-user configuration. For high-boiling-point solvents.MD 4C NT + AK+EK: Larger or multi-user applications, the local vacuum network VACUU·LAN®. For high-boiling solvents.MV 10C NT +EK: Four-stage diaphragm pump with exhaust vapour condenser. For particularly high demands regarding low ultimate vacuum and pumping speed in chemistry laboratories, pilot plant or small production units.With vacuum controller: PC 510 select / 511 select: Well-proven units for a wide range of processes in chemistry laboratories, e.g. all common solvents. PC 511 select with addtional manually controlled vacuum port.PC 610 select / 611 select: Proven solution for supporting electronically controlled evaporation or drying processes even with many high boiling point solvents. PC 611 select with additional manually controlled vacuum port.PC 520 select / 620 select: Compact solution for simultaneous operation of two electronically controlled vacuum applications with one single pump.Country-specific power cord versions available on request.
Cold trap with Dewar flask type 18 C, stainless steel 1.4301, two-piece, for liquid nitrogen
Stainless steel cold trap with Dewar flask for vacuum applications. Ideal for condensing out moisture or solvents. Dewar flask made of borosilicate glass 3.3 is vacuum-insulated, silver-plated and have a blue-coated metal protective jacket with a support ring into which the cold trap is hung.Cold trap connection: KF NW small vacuum flangeSpring steel clamp to secure the connecting part (KF NW 50)Scope of supply: Cold trap, support ring, Dewar flask type 18 C, spring steel clampThis assembly is designed for use with LN2 as coolant.
Chemistry Pumping Unit PC 3001 VARIO® select with condenser Peltronic®
The PC 3001 VARIO® select pumping unit precisely controls the vacuum level in order to achieve unparalleled process control. This pump is suitable for even high boiling point solvents. The integrated VACUU·SELECT controller provides an easy-to-use, application based interface that covers all common lab applications. The pump's variable motor speed responds to demand, reducing energy waste and mechanical wear, ensuring unrivalled service life for the diaphragms.For solvent evaporation, the controller detects solvent boiling and automatically adjusts the pump's motor speed to maintain process controlUser-defined applications with simple drag-and-drop editing.Small footprint and low weight for flexible use in the laboratoryThe inlet separator, made of glass with a robust protective coating, prevents particles and liquid droplets from entering the pumpThe included emission condenser Peltronic® works without any cooling media like water or dry ice.Scope of supply: Chemistry pumping unit PC 3001 VARIO® select completely mounted with conderser Peltronic®, ready for use, with manual.Without mains cable, please order separately.
Diaphragm pumps, Aluminium PTFE design, MD 1
The MD 1 diaphragm pump is an excellent choice for oil-free evacuation and pumping of non-corrosive gases. The three-stage design with precisely guided flat diaphragms provides outstanding pumping speed even close to the ultimate vacuum, especially when compared with similarly rated two-stage diaphragm pumps. With a flow path consisting of aluminum and selected plastics the pumps are suitable for a wide range of applications with non-corrosive gases.Contamination-free pumping and evacuationHigh flow rateExcellent ultimate vacuumWhisper quiet and ultra-low vibrationProven long diaphragm life, maintenance-free drive system
Diaphragm pumps chemistry design, MD 1C
The diaphragm pumps ME 1C offer a compact and high performance solution. With their easy-to-use functionality, they are the perfect partner for both single and multiple filtrations.One-stage diaphragm pumps are an excellent solution for continuous, oil-free pumping of gases and vapors for modest vacuum requirements. In contrast to water-jet pumps, they do not consume water and therefore do not produce any contaminated waste water in daily use.Vacuum filtration is frequently used for sample preparation in chemistry, microbiology, waste water control and analysis.In the chemistry diaphragm pumps ("C") all major parts in contact with pumped media are made of chemically resistant fluoroplastics. The ME 1C is also often used for solid phase extraction (SPE).An optional manual regulator valve with dial gauge enables variable fine adjustment of the pumping speed and the ultimate vacuum.Gas ballast for reliable pump performance.Two up to four stage chemistry diaphragm pumps (letters in the product name Z, D or V) are equipped with a manual gas ballast valve as standard. The supply of gas ballast minimizes the risk of condensation inside the pump.The diaphragm pumps ME 1C offer a compact and high performance solution. With their easy-to-use functionality, they are the perfect partner for both single and multiple filtrations.One-stage diaphragm pumps are an excellent solution for continuous, oil-free pumping of gases and vapors for modest vacuum requirements. In contrast to water-jet pumps, they do not consume water and therefore do not produce any contaminated waste water in daily use.Vacuum filtration is frequently used for sample preparation in chemistry, microbiology, waste water control and analysis.In the chemistry diaphragm pumps ("C") all major parts in contact with pumped media are made of chemically resistant fluoroplastics. The ME 1C is also often used for solid phase extraction (SPE).An optional manual regulator valve with dial gauge enables variable fine adjustment of the pumping speed and the ultimate vacuum.Gas ballast for reliable pump performance.Two up to four stage chemistry diaphragm pumps (letters in the product name Z, D or V) are equipped with a manual gas ballast valve as standard. The supply of gas ballast minimizes the risk of condensation inside the pump.Diaphragm pumps ATEX-models available on request. Country-specific power cord versions available on request.
Rotary Vane Vacuum Pump RC 6
The Rotary Vane Vacuum Pump RC 6 has been designed to minimise the adverse effects of condensable and corrosive vapours. Its main components are a two-stage rotary-vane pump and a two-stage chemistry diaphragm for optimised corrosion resistance. The diaphragm pump continuously evacuates the oil reservoir of the rotary-vane pump in order to keep the partial pressures of solvent vapours, oxygen and corrosive gases at a low level and/or below their condensation point. The RC 6 is a low-maintenance pump for freeze-drying and other applications requiring an ultimate vacuum in the 10-3 mbar range.Scope of supply: Pump, overload circuit breaker and mains cable (2 m), centering and clamping ring for inlet, particulate filter, operating instructions, oil (bottle of 500 ml)Country-specific power cord versions available on request.
Diaphragm pumps, Aluminium
Improved performance, increased pumping speed (up to 16 m³/h) and better ultimate vacuum (up to 0.3 mbar). Extend applications with non-aggressive gases whether used in the laboratory or for industrial processesVery low leak rate due to enhanced leak-tight tubing connections, resulting in consistent performance characteristics - even after many years of operation. Ideal for analytical applicationsLong diaphragm and valve lifetimes: made of highly flexible FPM, with fabric-reinforced double diaphragms for improved long term stabilityVery quiet and ultra low vibration due to compact drive with patented motor drive system. Ideal as a built-in component for sensitive analytical equipmentEasy to clean due to smooth surfaces. A robust solution for numerous applications in industrial environmentsThe VARIO® design provides vacuum control by precise and continuous adaption of the diaphragm pumps motor speed, and includes the vacuum pump, as well as the VACUU·SELECT controller.Country-specific power cord versions available on request.
Diaphragm vacuum pumps -NT Series, Chemistry design
Improved performance, increased pumping speed and lower ultimate vacuum extends applications in both the laboratory and in industrial applicationsLong-life diaphragm with PTFE sandwich construction and unstressed diaphragm supportEasy service/exchange of diaphragm or valves due to novel integrated valve head assembly. Easy dismantling, cleaning and reassembly without requiring readjustmentVery quiet and ultra low vibration due to compact drive with patented motor control system. Ideal as a built-in component for sensitive equipment in both the laboratory and in industrySuperior vapour tolerance due to integral tubing connections and gas ballast valve for continuous purge (for ME 16C NT, MZ 2C NT, MD 4C / 12C NT and MV 10C NT)Easy to clean due to smooth exterior surfacesThe VARIO® design provides vacuum control by precise and continuous adaption of the chemistry diaphragm pumps motor speed, and includes the vacuum pump, as well as the VACUU·SELECT controller.Diaphragm pump MD 4CRL NT with reduced leakage rate (0.001 mbar x l/s).Country-specific power cord versions available on request.
Mini-Diaphragm vacuum pumps LABOPORT® N 96, chemically-resistant
The Pump combines a high flow rate with a very compact design. Suitable for filtration, SPE, and liquid aspiration using a vacuum. Due to the manual rotational speed control, the pump is quiet, very energy efficient, and can be optimally adjusted in accordance with the application.Easy-to-clean surfaceVery small footprintAdjustable in flowrate due to manual rotational speed controlPTFE-coated diaphragm for use with aggressive/corrosive gases and vapors
Diaphragm vacuum pumps LABOPORT® N 820 G / N 840 G, chemically-resistant
The compact pumps feature a control knob for manual adjustments of the flow rate, making them well suited to a wide variety of applications, e.g. rotary evaporation, distillation, gel drying, degassing as well as the use with vacuum ovens and vacuum concentrators. Due to the manual rotational speed control, the pumps are quiet, very energy efficient, and can be optimally adjusted in accordance with the application.Easy-to-clean surfaceAdjustable in flow rate due to manual rotational speed controlCombination of PTFE pump head and PTFE-coated diaphragm makes the pump ideal for extremely aggressive/corrosive gases and vaporsHigh level of compatibility with vapor and condensationIntegrated gas ballast valve3-color status display: In operation / Stand-by / ErrorATEX-compliant in accordance with II 2/-G IIB+H2 T3 internal atmpsphere only100% oil-free transfer to ensure uncontaminated transfer, evacuation and compressionOptional: Easily expandable with separators and/or condensers
Rotary vane pumps Complete packages Basic CRVpro 2/4/6/8
The Welch CRVpro pumps are high-performance two-stage vacuum pumps. They impress with their long service life, high reliability and low maintenance requirements. The CRVpro series are the perfect partners for freeze dryers, vacuum concentrators, Schlenklines, glove boxes and vacuum ovens, as well as industrial applications.Cool running operation for less oil consumptionCoated oil case to slow metal corrosionExtended oil change intervals for less maintenance costsDual voltageScope of supply: Every pump is supplied complete with Directorr™ Premium vacuum pump oil, centering rings, clamping rings and motor overload protection.Scope of supply: CRVpro rotary vane pump, oil mist separator AKD 16, 2-way valve, hose connector, vacuum hose (1.5 m), oil drain kit
Screw pumps VACUU·PURE® 10
Powerful vacuum pumps for dry and hydrocarbon-free operation. Due to their unique operating principle, they generate ultra-pure vacuum as well as contamination-free exhaust air and work abrasion-free. They have been specially developed for processes down to the 10-3 mbar range, but can also be used without any problems at working pressures above 1 mbar.For ultra-clean processes and pure products100% oil-free due to cantilevered spindlesAbrasion-free due to contact-free operating principleNo wear partsQuick drying after high condensate loadSuitable for continuous operationWith air coolingRotatable inletWith Modbus RTU interfacePowerful vacuum pumps for dry and hydrocarbon-free operation. Due to their unique operating principle, they generate ultra-pure vacuum as well as contamination-free exhaust air and work abrasion-free. They have been specially developed for processes down to the 10-3 mbar range, but can also be used without any problems at working pressures above 1 mbar.For ultra-clean processes and pure products100% oil-free due to cantilevered spindlesAbrasion-free due to contact-free operating principleNo wear partsQuick drying after high condensate loadSuitable for continuous operationWith air coolingRotatable inletWith Modbus RTU interface
Screw pumps VACUU·PURE® 10C
Powerful vacuum pumps for dry and hydrocarbon-free operation. Due to their unique operating principle, they generate ultra-pure vacuum as well as contamination-free exhaust air and work abrasion-free. They have been specially developed for processes down to the 10-3 mbar range, but can also be used without any problems at working pressures above 1 mbar.For ultra-clean processes and pure products100% oil-free due to cantilevered spindlesAbrasion-free due to contact-free operating principleNo wear partsQuick drying after high condensate loadSuitable for continuous operationWith air coolingRotatable inletWith Modbus RTU interfaceThe chemical-resistant version VACUU·PURE® 10C is protected against corrosion due to chemically resistant polymers on all wetted parts. A thick-walled PEEK encapsulation protects the spindles and stator inside the pumping chamber, providing high chemical resistance. An integrated sealing gas supply prevents the bearings from chemical attack. Due to the design-related high condensate compatibility, no gas ballast is required, even with high vapor loads.