Daris LLC

Pumping Systems for Critical Fluids

Daris LLC was founded by a subject matter expert in pumping systems technology to meet the need for full-capability critical fluid handling.

Daris, LLC is focused on serving the needs of the scientific, research, and laboratory fields with pumps and integrated pumping systems.

Daris LLC has developed technology employing electromechanical devices mated with hydraulic circuit  components that allows rapid customization to meet a broad range of fluid management needs.

From a single pump to a fully automated system, we can provide a device to meet your exact requirements.

people sitting down near table with assorted laptop computers

System Capabilities

Our capabilities include; full integration of multiple pumps with control of pressure, fluid flow, gas flow, temperature, vacuum, and ‘O2’ saturation. Our system also incorporates CO2 measurement and ECG monitoring. An assembled package includes Li-Ion battery backup, touch screen controls, a custom GUI, and data transfer to WiFi and the Cloud.


Unique non-occlusive roller pump

Originally designed for use in bypass surgery, it provides gentle handling of critical fluids while providing inherent safety against over-pressurization and excessive suction.

Available for purchase as a single stand-alone pump or customized with supporting components such as flowmeters, pressure sensors, SVO2 sensors, temperature sensors etc.

Also available as an integrated component within our pumping system platforms

*Not approved for human use


Prolonged Organ Preservation System

Supports 24+ hours Normothermic Ex-Vivo Beating Heart Preservation (NEVHP) for use in medical research, organ resuscitation, drug discovery etc.

Available for customization to your specifications or preconfigured for Beating Heart Preservation research.

*Not approved for human use

Our expertise is in electromechanical systems with mated disposable components. 

We maintain a focus on quality and reliability which derives from our background in Medical Device engineering.

Daniel Mazur

Principal Engineer

Over my 35-year career in Medical Device Engineering, my career focus has been on blood pumps, including surgical pumps, plasmapheresis systems, implantable LVAD’s, external LVADs, and ECMO systems. I am here to serve your special needs.