Mechanically Actuated Diaphragm Pumps have Teflon diaphragm, supported by a steel core and reinforced by vulcanized chemical and temperature resistant EPDM material. These Diaphragm Pumps have a plunger, directly connected to diaphragm to create reciprocating motion. These Diaphragm Pumps offer leak free operation and are suitable for continuous duty operation. Mechanically Actuated Diaphragm Pumps are provided with simplex and multiplex arrangements.