Even hardened steel cannot resist such an impact ... Figure 1 shows how this can be done. A butterfly valve has a hollow stem conducting outside air into a number of small holes and dispersing the air ...

To help build out a working filtration system, [Fab] needed some valves, so set about printing some of his own. [Fab] went with a simple butterfly valve design, similar to the throttle valve in ...

The high-performance butterfly valves featured in the data center box boast a double ... and a blowout-proof shaft made from 17-4 PH stainless steel for superior strength and safety. Additionally, ...