Continuous and Precise Volumetric Dispensing

Nordson EFD has introduced the 797PCP family of pumps and controllers, which provide controlled, continuous volumetric metering of single and two-component fluids, unaffected by external factors such as changes in viscosity or pressure. Process control is very advanced as the minimum deviation
is ±1% and the fluid devices are repeatable by only 0.01 ml per revolution.

The ValveMate 7197PCP controller offers an intuitive touchscreen interface.
The ValveMate 7197PCP controller offers an intuitive touchscreen interface.

Nordson EFD has released new volumetric progressive cavity pump systems that include 797PCP and 797PCP-2K pumps, and 7197PCP-DIN or ValveMate 7197PCP controllers. These new volumetric dispensing solutions deliver precise, repeatable fluid volumes as small as 0.01 ml per revolution.
Deposit volume tolerances equal to ±1% allow for a high level of process control in automotive, electronics, medical, and other production applications.
These systems, therefore, make possible the controlled and continuous volumetric dosing of mono and bi-component fluids.

As it rotates, the pump allows continuous volumetric dispensing that is unaffected by external factors.
As it rotates, the pump allows continuous volumetric dispensing that is unaffected by external factors.

Exact adjustment of dosing parameters

The design of the 797PCP is based on the progressive cavity principal where its core components, a rotor and stator, form a perfectly sealed metering chamber. As it rotates, the pump allows continuous volumetric dispensing that is unaffected by external factors such as changes in viscosity, fluctuating fluid pressure, and the full-to-empty effect in syringe barrels. This continuous seal also prevents shear and pulsation, making the 797PCP ideal for precise dispensing of abrasive pastes, epoxies, and UV-cure adhesives. The pumps come in three sizes: 0.01 ml, 0.05 ml, and 0.15 ml.
The 797PCP-2K pump provides highly accurate meter mix dispensing of two-part assembly fluids. Its modular design allows for multiple mix ratios. Its compatibility with a wide range of disposable EFD bayonet static mixers simplifies implementation. Both the standard and 2K pumps work best when controlled by either 7197PCP-DIN or ValveMate 7197PCP controllers. These controllers allow for precise adjustment of dispensing parameters. The DIN rail version offers an intuitive web-based interface. The ValveMate version offers an intuitive touchscreen interface. Both provide multiple programming modes, including Line, Volume, Weight, and Timed, to meet a wide range of application requirements.