Single Pump
An industry-leading single pump economic design allows engine integrators to reliably transfer DEF from bulk storage to dosing cabinet tank. With outputs for filter change out requirements, and sufficient flow and pressure to feed even the largest engine designs, this unit satisfies a variety of challenging applications.
Dual Pump
For customers who require a secondary pump for alternating wear and tear, or as backup for primary pump failure, Semler continues to deliver DEF with our automatic duplex pump design. Available with a variety of control circuit configurations, and multiple filters or bypasses, the duplex DEF transfer pump is a leader in reliability..
Custom Pump
When unique specifications have been written and demanding expectations must be met, Semler customizes our DEF transfer systems to include heated and air-conditioned enclosures, PLC based controls, tank gauging, interaction with building automation systems and more. We can meet any requirement that is set by your end user or engineering firm.
