I have a problem with MOV motor operated valve paaing through. when I looked at the MOV data sheet, it was not speified that the valve as Tight Seal Closed but it is referred the seat leakage rate to

i am working on a unidirectional pipe prover and i need to design and purchase the launching and receiving chamber.

I have to calculate the required Cv for a blowdown valve.The fluid is boiler feed water. I know the mass flow, pressure and temperature input and output, corresponding to saturated steam (eg 50 bar, 2

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