Hello, I have posted another question regarding valves and high torques on the valve section of the forum (https://www.eng-tips.com/viewthread.cfm?qid=492603) but im thinking the issue is not a valve issue and more of a material issue / COF change..... anyways, hear me out, I'm mechanical...
Hello,
Im looking for some support, research paper, standard or maybe just good old experience to assist in determining the cause of some high torque on some ball valves in water service....
There are 20+ ball valves where i work (water injection facility) that are problematic to open under...
Hi,
Im a little confused with control valve sizing,
I have a control valve with CV of 475 (approx 1800 litres per min), at the plant the flow through the control valve is up to 300m3/hr, or 5000 litres per min. Is it possible the valve is correctly sized. I will be looking at the control valve...
Hi,
Hopefully i have posted this in the correct area, apologies if not- Send me in the right direction...
I am looking at the failure of a valve stem from a control valve, the stem has sheared during valve operation, the failure has occurred at the first thread at the bottom of the stem, the...
