I'd like to understand this term,regarding my job,this is a concern for me.
replied to: lionel
Replied to: I'd like to understand this term,regarding my job,this is a concern...
Here's a really good tutorial on Positive-Displacement Pumps:
http://www.engineeringtoolbox.com/positive-displacement-pumps-d_414.html
Also, here is a great example of a Diaphragm pump, which is a type of positive displacement pump:
http://www.ingersollrandproducts.com/IS/Category.aspx-am_en-3809