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ALMATEC's AD 6 - Series of pneumatic diaphragm pumps are a special development for laboratory applications and sampling water from wells for continuous monitoring of the groundwater under landfills. The AD 6 have a maximum delivery volume of 250 l/h which can be infinitely varied by adjusting the air flow. AD 6 pumps are equipped with spring-loaded valves and can therefore be installed in any position.

The housing is made of solid PTFE conductive. This material is resistant to corrosion by virtually all media. Its conductivity permits use of the pump in explosion-hazard areas and for inflammable liquids. AD 6 pumps meet the ATEX requirements of the directive 94/9/EG.

Further features of AD 6 at a glance:

• Submersible
• Excellent dry suction lift
• Proof against overloading
• Proof against dry running
• Patented maintenance-free air control system PERSWING® without dead center
• PTFE diaphragm
• Gentle displacement
• Suitable for unattended continuous tests
• Sample pulling at depths up to 50 m from wells with min. diameter of DN 80
• Optional connection kits for laboratory and sample pulling