We have a wide variety of DEF-compatible pumps to offer to our customers. Each of these pumps meets or exceeds the ISO 22241 DEF handling practices. So whether you are filling totes or unloading a railcar, we have a pump and application-specific components to meet your needs. We have a wide range of options: flow rates ranging from 5 to 500 gallons per minute, different types of connections including NPT, BSP, flanged or union connections, self-priming or flooded suction ability among others.

Semler Industries has DEF pump models from Blackmer, Finish Thomson, and MP Pumps.  Each of them is utilized for different applications in which Semler specializes.