Back pressure regulators can be used downstream of positive displacement pumps to maintain a stable output flow rate, despite widely varying system pressure
High Purity Positive Displacement & Universal Twin Screw Pumps
Ways to Dome Load a Back Pressure Regulator
When to use a Positive Displacement Pump - Yamatho Supply LLC
What Are Positive Displacement Pumps?
Pumps - Hygeniks
Assessing the Performance of Positive-Displacement Pumps for Both Newtonian and Non-Newtonian Fluids, PDF, Pump
03, March, 2015
Vacuum to Positive Pressure Control
Pressure Regulator for Fuel Cells