Diaphragm

Dynamic Compression by Flexible Membrane

Diaphragm pumps work by reduction of a volume using a flexible membrane driven by a crank.

• Suitable for pressure and vacuum or combined
• Gas tightness to the outside
• Durable plastic or corrosion resistant coated aluminum
• High variablility
• Long-life diaphragms
• Balanced for low vibration
• Low noise level
• Liquid media models available – suitable for aggressive media applications
• Permanently lubricated bearings
• Flow rates up to 91 l/min (3.2 cfm), end vacuum 29.2 in.Hg (10 mbar abs.), pressure 2.8 bar (41 psi)

Technical Overview 

In dry running diaphragm pumps, a flexible diaphragm in the pump head is moved up and down, via a connecting rod by the action of an eccentric mounted to the motor shaft. On the down stroke, air is drawn into the pump chamber and expelled on the upstroke. One-way flapper valves mounted within the pump head control the direction of air flow. Equally suitable for use as a vacuum pump or compressor, they are characterized by low noise, high efficiency and gas tightness.  ...read more

To view the Diaphragm product range please select either Pressure and Vacuum or Liquid.