Glossary
Glossary
A diaphragm pump (or Membrane pump) is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic or teflon diaphragm and suitable non-return check valves to pump.
They are also used as low-grade vacuum pumps. These pumps are quiet, cheap and have no moving parts in the airstream. This allows them to be used without added lubrication in contact with the air.
 
 
 
 

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