EntityQ649056· pop 26· linked from 32 articlesdiaphragm pumpSign in to savepositive displacement pump that uses a reciprocating membraneConnectionsatmosphere of EarthEntityinternal combustion engineEntityfluidEntityviscosityEntitypumpEntitybarEntitypolytetrafluoroethyleneEntitylubricantEntitythermoplasticEntitynatural rubberEntityelastomerEntitycheck valveEntityhydraulic fluidEntityair compressorEntityslurryEntityhermetic sealEntitydiaphragmEntityCategoriesPumps