Both are excellent at self-priming! Of course there are other variables to consider including speed, clearances, materials of construction, NPSH, and others. To learn more check out our priming video at ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-FEuM5x9uzg8.html For any further questions, you can contact us here: www.vikingpump.com/yt
Excellent question! The short answer is yes, but this depends on other variables. Internal Gear pumps AND external gear pumps are both self-priming. We cover this very topic in another video. Check it out here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-FEuM5x9uzg8.html
