D-Line Series

The ANSI design was created in an effort to make replacement pumps easily accessible.  All ANSI pumps are manufactured to be dimensionally interchangeable and have a back pull-out design.  This allows facilities and plants the opportunity to source pumps from multiple manufacturers without changing their pipe schematic and design. The CURFLO D-Line Series is 100% interchangeable with the Durco MKIII.

CURFLO D-Line Pump


  • Manufactured to meet ANSI/ASME B73.1 standard
  • Inpro bearing isolators
  • SKF or equal bearings
  • Standard, large and modified seal chambers
  • External impeller adjustment
  • Multiple materials of construction available (Carbon Steel, 316SS, CD4, Alloy 20, Hast B, Hast C)
  • Reverse vane impeller design
  • 100% interchangeable with Durco Mark III
  • Mark III Groups 1,2 & 3 models
  • Various shaft and shaft sleeve combinations