Single screw pumps are positive displacement pumps used to move liquids, slurries and difficult fluids at a controlled rate. They are useful where the fluid may have high viscosity, solids, fibres or air. Understanding the single screw pump working principle makes pump selection easier. It also helps maintenance teams understand which parts need regular attention. A progressive cavity pump is another common name for this […]
- Gear pumps
- September 9, 2026
- By deltaPDpumps
- Comments 0
Rotary Gear Pump: Working Principle, Types, Applications & Benefits
A rotary gear pump is a positive displacement pump used to move liquids at a steady rate. It is often selected for oils, chemicals, fuels, and other fluids that need controlled transfer. Understanding the rotary gear pump working principle helps industries choose the right pump for their process. The pump type, fluid viscosity, pressure, temperature and flow rate all affect selection. A rotary […]



