Diaphragm pump units (speed controlled)

Vacuum system for 1 rotary evaporator.

• Application: Rotary evaporation, distillation, central vacuum supply
• Flow 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 function
• PPS pump heads in combination with PTFE-coated diaphragms are ideal for aggressive/corrosive gases and vapours
• Speed controlled
• Integrated gas ballast valve

Exhaust Vapour Condenser Peltronic^®: Fully automatic electronic control of cooling surface temperature and fan

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.

Suitable for all Hei-VAP Rotary evaporators. Vacuum can be controlled manually or via valve operated vacuum controllers.

• With two-stage diaphragm pump
• All components which come in contact with media are built from chemically resistant fluoropolymer
• The durable PTFE design guarantees an superior diaphragm lifespan
• The head cover and clamping disc have a stable core made of metal which offers unsurpassed long-term performance of your operational parameters
• The direct pump drive (without belt) is exceptionally quiet, creates a very low vibrational environment and reduces the need of wear and tear parts to a minimum
• The gas ballast valve has been optimized to prevent media condensing in the pump
• The pumps can be combined with a condenser
• For combination with the Hei-VAP Precision Rotary evaporators a vacuum valve is necessary.

• Suction capacity for up to 3 rotary evaporators at the same time
• Depending on your application you can switch on and off the vacuum pump via switchbox

Suitable for Rotary evaporators Hei-VAP series. Controllable vacuum pumps for digital regulation of the vacuum via operation panel or directly at the unit.

• High distillation rates and reduced process time by 30 %.
• Solvent recovery up to 99 %.
• Pump stops automatically as soon as the set vacuum is reached and reliably holds the vacuum constant
• Increased diaphragm performance life due to periods of non-operation
• Low energy consumption
• Significant noise and vibration reduction
• The pumps can be combined with a condenser

• High suction capacity for fastest evacuation
• Even if the gas ballast valve is open an excellent ultimate vacuum is reached when working with easily condensable vapors. This makes distilling high boiling point solvents such as DMF or DMSO possible at low bath temperatures

Suitable for Hei-VAP Core. Fully controllable stand-alone pumping unit including vacuum controller

• 3-stage diaphragm pump is made from chemical-resistant material
• High suction capacity for fast evacuation
• Precise vacuum control avoids bumping and eliminates foaming of your evaporation solution
• Automatic vacuum supply to the process parameters
• The pump unit can be combined with a condenser

Suitable for all Hei-VAP Rotary evaporators. Vacuum can be controlled manually or via valve operated vacuum controllers.

• With two-stage diaphragm pump
• All components which come in contact with media are built from chemically resistant fluoropolymer
• The durable PTFE design guarantees an superior diaphragm lifespan
• The head cover and clamping disc have a stable core made of metal which offers unsurpassed long-term performance of your operational parameters
• The direct pump drive (without belt) is exceptionally quiet, creates a very low vibrational environment and reduces the need of wear and tear parts to a minimum
• The gas ballast valve has been optimized to prevent media condensing in the pump
• The pumps can be combined with a condenser
• For combination with the Hei-VAP Precision Rotary evaporators a vacuum valve is necessary.

Suitable for Rotary evaporators Hei-VAP series. Controllable vacuum pumps for digital regulation of the vacuum via operation panel or directly at the unit.

• High distillation rates and reduced process time by 30 %.
• Solvent recovery up to 99 %.
• Pump stops automatically as soon as the set vacuum is reached and reliably holds the vacuum constant
• Increased diaphragm performance life due to periods of non-operation
• Low energy consumption
• Significant noise and vibration reduction
• The pumps can be combined with a condenser

• Recommended for solvents with low or medium boiling points

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 control
• User-defined applications with simple drag-and-drop editing.
• Small footprint and low weight for flexible use in the laboratory
• The inlet separator, made of glass with a robust protective coating, prevents particles and liquid droplets from entering the pump
• The included emission condenser Peltronic^® works without any cooling media like water or dry ice.

Designed especially for solvent distillation / evaporation applications, the LVS ecoflex+ systems comprise of a chemical duty diaphragm pump with VCpro digital vacuum controller, liquid separators and exhaust emissions condenser for optimal solvent recovery. Designed for chemical applications all wetted parts are made from high quality chemically resistant materials, with clear plastic coated glassware. The VCpro digital vacuum controller with ecoflex control philosophy continuously adjusts the pumping speed to match the vapour load produced by the evaporation process to give a fast and efficient process without bumping or foaming.

• Analytically pure, oil free vacuum
• Highly chemical resistant
• Ultra quiet operation - silent at equilibrium
• Precise vacuum control with timed ramp capability
• Fully programmable modes to allow run repeatability
• Ecoflex vacuum control for optimised evaporation and energy efficiency
• Intuitive ICON-navigation of control screens
• Connectivity through LAN and RS232
• Built-in self-cleaning function
• Security levels for administrators and users
• Log files on all pump activities for easy traceability
• High-Res display with dark and light screen modes
• Digital and analogue vacuum pressure display