Pompes à vide à membrane

Supplier: KNF

Single or dual-head chemically resistant, dry running diaphragm pumps for a wide range of laboratory applications. They transfer and evacuate without affecting the media, i.e. media remains uncontaminated.

Supplier: KNF

This diaphragm pumps is double-head, dry-running devices used in a wide range of laboratory applications.

Supplier: VACUUBRAND

The VACUU·SELECT controller simplifies your work and allows VARIO select chemistry diaphragm pumps to deliver unparalleled precision. The pumps run whisper quiet and respond to demand in real time by matching pumping speed to process conditions. The intuitive VACUU·SELECT controller includes predefined applications for all common vacuum processes.

Supplier: VACUUBRAND

This four-stage chemistry-design diaphragm pump is an excellent solution for continuous, oil-free pumping of corrosive gases and vapors and meet highest requirements. The four-stage design of the eight-cylinder pump MV 10C NT provides the advantageous combination of high pumping speed and very low ultimate vacuum of 0,9 mbar in a very compact design. All internal parts in contact with pumped media are made of chemically resistant fluoroplastics. Well-proven PTFE sandwich diaphragms increase reliability and extend operating life.

Supplier: VACUUBRAND

These chemistry vacuum systems can be used in a wide range of applications for evacuating or moving gases and vapours between containers in chemistry and physics laboratories, e.g. as an alternative to water jet pumps and rotary vane pumps. Compact construction, very quiet running, long service life; diaphragm and valves are very easy to replace. Oil-free vacuum.

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Supplier: VACUUBRAND

Les groupes de pompage VACUUBRAND répondent à un large éventail d'applications pour le vide ou le transfert de gaz et de vapeurs corrosives dans des laboratoires, en tant qu'alternative aux pompes à palettes et à jet d'eau. Design compact, fonctionnement silencieux. Longue durée de vie, remplacement aisé des membranes et des clapets. Vide exempt d'huile.

Supplier: Welch by Gardner Denver

These non-chemical-resistant diaphragm pumps characterized by a compact design, long lifespan and oil-free evacuation are designed for aqueous and standard duty applications. The diaphragm series are well known for smooth operation. They are available in one or multistage configuration with controlled (ecoflex) or uncontrolled pumping speed. Ecoflex diaphragm pumps are equipped with a state-of-the-art vacuum control which allows the pumping speed to be varied.

Supplier: VACUUBRAND

For use in explosive areas chemistry diaphragm pumps category 2 with ATEX conformity are available.

Supplier: Welch by Gardner Denver

These dry vacuum pumps are widely used for general vacuum work, air/gas sampling, fast evacuation of large chamber volumes, backing pump for various turbo pumps, drying chambers, vacuum chambers, degassing and isolation vacuum.

Supplier: Welch by Gardner Denver

Pumps are constructed with PTFE heads, perfluoroelastomer valves and a PTFE coated molded diaphragm. Includes intake/exhaust hose barbs. DRYFAST® models include tunable vacuum control.

Supplier: VACUUBRAND

This VARIO® chemistry pumping unit optimizes vacuum conditions automatically by precisely and continuously adjusting the diaphragm pump´s motor speed. Thanks to the motor speed control the pump operates only when vacuum is needed, saving energy and reducing maintenance.

Supplier: VACUUBRAND

VACUUBRAND VARIO® technology - frees you up for other tasks. The VACUU·SELECT controller simplifies your work and allows VARIO select chemistry pumping systems to deliver unparalleled precision. The pumps run whisper quiet and respond to demand in real time by matching pumping speed to process conditions. The intuitive VACUU·SELECT controller includes predefined applications for all common vacuum processes.

Supplier: Welch by Gardner Denver

The perfect partner for your rotovap. Faster, better quality distillation and solvent concentration.

Supplier: VACUUBRAND

The three-stage VARIO-SP® diaphragm pumps, with its variable speed drive system, attains significantly higher pumping speed and a better ultimate vacuum than the corresponding fixed speed pump. The brushless motor (maintenance-free) enables easy integration of the pump into other equipment, and operation independent of line voltage. The motor speed is either fixed or can be adjusted externally via electronic control signals for adaptation to process requirements.

Supplier: VACUUBRAND

Chemistry diaphragm pumps from VACUUBRAND for aggressive gases and vapors are available in the basic version, with two-point or VARIO® control. Their construction with fluoropolymers makes them very resistant to chemical vapors from inlet to exhaust.

Supplier: VACUUBRAND

La filtration sous vide est l'une des applications les plus couramment utilisées dans le cadre de la préparation d'échantillons dans des domaines aussi variés que la chimie, la microbiologie, le contrôle des eaux usées et d'autres processus analytiques. Les pompes à membrane VP 100 et VP 100 C allient faible encombrement, hautes performances et fonctionnement simplifié, et sont donc idéales aussi bien pour les filtrations simples que pour les filtrations multiples.