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The Ideal Pump for DEF Transfer Applications

Tue, 03/16/2010 - 5:54am

Blackmer STX3-DEFBlackmer recently released its STX3-DEF sliding vane pump, which is ideal for the loading and unloading of diesel exhaust fluid (DEF). EPA 2010 vehicles equipped with selective catalytic reduction technology use DEF, which is a solution made up of purified water and 32.5 percent automotive-grade urea that is used as a carrying agent for the ammonia needed to reduce nitrogen oxide emissions from vehicles into nitrogen, water and carbon dioxide. According to the company, these STX3-DEF pumps further grant:

  • Pump speeds up to 800 RPM, delivering fast fluid off-loading — a 6,000-gallon (22,700-L) tanker can be unloaded in about 24 minutes. 
  • Self-adjusting non-metallic Duravanes to resist wear and maintain flow rate, while minimizing shear and agitation.
  • 316 stainless steel construction with external ball bearings, FKM elastomers and Blackmer chemical mechanical seals to provide longer transport pump life.
  • Flow rates up to 250 GPM (946 LPM).
  • Differential pressures up to 125 PSI (8.6 BAR).
  • An adjustable relief valve to protect the pump from excessive pressures.
  • Self-priming and dry run capabilities.

www.blackmer.com

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