The primary part in a ball valve is a small ball or a disc inside it. It

Since a metal to metal contact is used to shut-off the flow of liquid, it

I have a question which is a little hard for me to figure out. I've attached a sketch showing the case. I have a parking garage which is fully sprinkled.

Is there a chart somewhere that shows me the volume of water required (after a pipeline is full) to raise the pressure to 200#s??

I have a water pipeline (several miles with hilly terrain), which takes treated water from a sump pump and dumps it into a separator for venting off the air, the water from there goes through a diffus

On a steam locomotive, how does the boiler feed water injector work, when the only motive steam available is that from the boiler itself, which is at the same pressure to which the injector must raise

I am considering the modification of readily available valves low temp (-40C) non-cryo rated valves in a superconductor system.

We operate large HRSG's and have maintained them to 'ASME intent' for a number of years. Although you would expect this type of information to be readily available, it's not.