wondering if any of you can point me in the direction of some info regarding test rig design.I'm considering setting up in business and need a test rig for small "kunkle" type safety valves.

I have 18" globe control valve to be installed on sea water line. However required upstream and downstream length is not available on platform.

I need to spec out some high pressure ball valves for dry CO2 injection (between 1000 and 3000 psig) and was wondering about trim.

How is this design different from regular wafer check and what are High performance Duo wafer check?

I have problem in reviewing QC document for Pressure reducing desuperheating valve (PRDS)material: A216 WCCrating : ASME 600#Plug and seat ring material: 410 SS (ANSI 410)my question: i asked for NDE

Do you think Full opening check valves are supposed to be installed horizontally too?Clearance between body and disc is very small for these valves compared to regular swing check valve.

Our supplier just informed us, they are going to use solid ball for a 2" floater and a hollow ball for a 3" floater.will there be any difference in performance?what is the reason they use hollow balls

I'm a new engineer for a small LPG/NH3 gas connections company.