Diaphragm Pumps
A Diaphragm Pump (Membrane Pump) is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic, or Teflon diaphragm and suitable valves on either side of the diaphragm to pump a fluid. YAMADA, Shurflo, Graco, Wilden, Ingersoll Rand, Parker.