The difference between these two kinds of products, mainly lies in the control valve needs both external sources such as power supply or air), and the need to do driver can accept foreign control inst

Historically, the only standardized piece of the uniform has been the jersey, which has to be of identical design by the same company for all members of a team.

A PVC butterfly valve is a very common valve also known as quarter turn. The PVC butterfly valve consists of a metal rod that has a metal disc mounted to it. When you close the butterfly valve you are

What should be the air fail action for depressuring valves installed, or nominated, to avoid a BLEVE when fire surrounds a pressure vessel?

I have a problem with one of the submersible pump in my water priject. the pump operating point is 100m3 at 315m , the normal operating current reading is 32 Amp .

What is the chemical/thermodynamic reason for the increase of power when running with enrichment? On the surface one would expect that the complete combustion of a stoichiometric fuel/air ratio would

Does anyone have a definitive reference for the required tap depth for a 3/8" NPT port. I understand from reading on here the tap depth is not usually called out, but if anybody has a standard or a gu