Blackmer is a leading name in high-quality, durable truck and process pumps.  Their newest addition, the STX3-DEF pump is specifically designed for the Diesel Exhaust Fluid market.  Featuring 316 Stainless Steel Construction and Viton elastomers, the STX3-DEF pump is ideal for the stringent environmental conditions required for DEF transfer.  In addition, all Blackmer DEF pumps have the following features:


  • Non-metallic vanes
  • Flow rates up to 250 GPM
  • Differential Pressure up to 125 PSI
  • Pump speeds up to 800 RPM
  • Vanes self-adjust for wear to maintain optimal efficiency
  • Internal relief valve protects pump and system from excessive pressure

Semler Industries also carries a full line of Blackmer Replacement Pump Parts