• Flow rate from 2.3 to 8.9 m3/h • High water vapour compatibility due to optimised air ballast • Large useful oil volume = Longer oil change intervals • Oil circuit with shut-off seal against ingress of corrosive gases and oily impurities into the unit at standstill to prevent corrosion • Easy maintenance thanks to telescopic construction
• Good resistance to chemical agents • For pumping acidic or basic oxidants or vapours • Viscosity at 40 °C 95 mm2/sec • Can be used for all Vacuubrand RE/RZ/RC pumps • Minimum oxidizability
• 3 complete configurations to meet all needs • Oil circulation pumps • Large oil chamber to limit the effects of chemical attack in the pump • Inner surface of the oil sump lined with PTFE • Cold operation to slow down the corrosion process • Compact and lightweight design to suit many laboratory and industrial applications • Pump supplied complete with Welch Directorr premium oil, centering rings, clamps and motor overload protection
• Can be used for pressure up to 6.8 bar or as a vacuum pump • Equipped with a pressure gauge and vacuum gauge with control valve • Oil free • PTFE coated aluminium piston • For aqueous or non-aggressive solvent solutions
• Suitable for Vacuum filtration, Solvent purification, Solid-Phase Extraction (SPE), Gel electrophoresis • All wetted parts of the Pump in contact with air are made of PTFE material which can resist most of corrosive gases • Without the need of lubrifiant, regular oil changes and maintenance; with no oil pollution • Built-in thermal protection device to shut off the pump automatically when overheated and then resume working when the temperature cools down • The Chemker 411 pump is equipped with a moisture trap and a valve for vacuum adjustment
• Suitable Filtration for microbiology test, Vacuum filtration, Air sampling and Suspended solid test • With vacuum regulator to adjust vacuum • Driven by Piston, without the need of lubricant, regular oil changes and maintenance • Equipped with Prote™ overflow protection which can prevent a large amount of liquid from being sucked into the pump (Excluding 800 and 810 models) • Equipped with filter cartridge in air inlet to filter particle and moisture to prolong the life of pump(as well as in air outlet for 430 and 600models) • Built-in thermal protection device to shut off the pump automatically when overheated and then resume working when the temperature cools down
• 100% oil-free transfer • Maintenance-free • Connection of pump heads in series for a higher vacuum, or in parallel for increased delivery • For use with rotary evaporators, gel dryers, vacuum and filtration ovens
• 100 % oil free • Audible level: 45 dBA • ME1C, ME2C NT and ME4C NT with PTFE membranes when chemical resistance is necessary • PTFE sandwich membrane: one PTFE layer, one FPM payer, one fibre layer for excellent chemical and mechanical resistance • Maintenance free
• High chemical resistance and good condensate tolerance • High flow rates even near the ultimate vacuum • Good ultimate vacuum under air/inert gas ballast • Quiet operation: 45 dBA
Pump unit MZ2CNT +AK SYNCHRO + EK: • For synchronous operation of two applications with manual vacuum control • AK suction separator at pump inlet for condensate recovery • EK vapour condenser at pump outlet for efficient solvent recovery
Fume extraction and neutralisation system. This instrument is composed of a ''Scrubber'' unit that blocks the passage of acid condensation and neutralises the gases in an NaOH solution, and a water re-circulation pump that proportions a large vacuum throughput for sucking up fumes.
• Compact system consisting of a chemically resistant Laboport base pump, a platform and 2 separators • Basic pump with 2 PTFE heads, FFPM valves and PTFE coated diaphragms • Suction separator to trap particles and discharge separator to recover solvents • Factory fitted system, supplied with 10mm connectors and hoses for immediate connection to your equipment • Maintenance-free, oil-free
• Graphical touch interface with predefined programs • Vacuum control by pump speed variation • Automatic boiling point detection and vacuum adjustment • Excellent environmental compatibility: low energy consumption and efficient solvent recovery • ATEX II 3/- G IIC T3 X Internal