Republic MFG - Rotary Claw Pump vs Rotary Vane Pump

What are the main differences between a dry-running rotary vane pump and a rotary claw pump? This video explains to main differences between the technologies. Dry-running rotary vane pumps require more maintenance and more horsepower but are typically cheaper upfront. However, rotary vane pumps require minimal maintenance and offer energy savings through their efficiency.

0:00 - Intro
0:20 - Rotary Vane Pump
0:30 - How the Vanes Work
0:45 - Replacing Vanes
1:05 - When the Vane Shrinks
1:42 - Rotary Claw Pump
1:52 - Efficiency
2:12 - Less Horsepower Needed