88 Precision Volumetric Dispensing Systems Progressive Cavity Pumps (PCP) / Controllers For applications that require volumetric dispensing independent of fluid viscosity or changes in viscosity over time, Nordson EFD offers the 797PCP Series progressive cavity pumps and 7197PCP controllers. Designed with core components — a rotor and stator — that form a perfectly sealed metering chamber, the 797PCP pump prevents shear, pulsation, and squeezing of assembly fluids. This makes it ideal for dispensing highly viscous, filled, or abrasive pastes and shear-sensitive fluids. The self-sealing chamber dispenses exact, repeatable volumes of fluid as small as 0.01 mL per revolution for exceptional process control. EFD also offers a 797PCP-2K pump for highly accurate metering and dispensing of two-part assembly fluids. Compatibility with EFD static mixers allows us to deliver a total system solution. Our 7197PCP Series controllers include ValveMate benchtop and DIN rail versions. Each offers intuitive programming of the 797PCP and 797PCP-2K pumps to deliver deposit volume accuracy and repeatability of ±1%. The controllers provide multiple programming modes — Line, Volume, Weight, or Timed — to meet the unique needs of your application.
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