Also, butterfly valves have different types as well. For example, there are triple offset butterfly valve, high performance butterfly valve, center lined butterfly valve and so on.http://www.tfcvalve.com/butter....fly-valve/high-perfo
Also, butterfly valves have different types as well. For example, there are triple offset butterfly valve, high performance butterfly valve, center lined butterfly valve and so on.http://www.tfcvalve.com/butter....fly-valve/high-perfo