Hi everyone.
I have always seen Top Entry ball valves with PUP x Flanged (RF / RJ) ends being tested with a temporary cap welded to the PUP and a blind flange on the flange. After testing, the end of the PUP with the temporary CAP was cut off and the end beveled.
Analyzing specifically the...
Hi everyone.
I work on design of valves for oil&gas and currently on our drawings we only indicate the general tolerances with the indication "ISO 2768-mK". We don’t indicate any specific geometric tolerances on individual dimensions/geometries.
After carrying out a functional analysis on our...
Hi everyone.
We are designing a ball valve in according to API6D 24th edition.
As regards the calculation notes relating to the drive train, in accordance with par. 5.20 of API6D, I would need to clarify how to check the dowels between the body/bonnet and bonnet/operator plate, in particular...
