A psv needs to be serviced while the unit is still operating. Therefore, isolation valves are installed and a manual bypass line is used. An operator stands by on radio and opens the manual valve in t

I have a refrigeration circuit with three stage compressorThere is an orifice in the bypass line. The line is the feed to the comressor suction KOD. I would like to know the purpose of the orifice.

what is a stellite?Is it a separate alloy material or Does stelliting mean some form of welding the base material for corrosion protection?

The flow I sent the vendor is in slpm, and the fluid is gas (don't ask me why the designer of this unit loves to use slpm instead of mass rate). the vendor came back with Cv value and when I looked at

We are specifying 84" x 144" sluice gates in one of our projects and we expect very high torque and thrust required for the actuator to pull up the gate under a head of 40ft water. What type/brand of

Can we use PTFE Gland packing in Fugitive Emission Control design (Globe Valves). I heard PTFE will fail during thermal cycle tests as prescribed in ISO 15848?

I spoke with Siemens today about their Magmeters they want us to use on our equipment. He stated flat out that they care not at all about flow runs or pipe and fittings before or after their flow mete

If a valve is supposed to be say Class 800, what does it mean? I am sure it is related to pressure and temperature but do not know the exact meaning.