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PRV 2010-10-25
Civil engineer here modeling in WaterCAD. I have a 510 Zone HGL system interfacing with a 600 HGL Zone system.
DPE Seat Ball valves 2010-10-25
Does API 6D specify a test procedure for DPE seat Ball valves?How are DPE seats different from DIB seats?
Butterfly type control valve wrongly inserted 2010-10-25
A large butterfly type control valve in a fuel-gas line has been installed in the wrong flow direction. Now, it will be difficult to extract the valve from the pipeline and turn it around because stru
What is the diffeence between 77/300 and 77/312 2010-10-22
Context:: Shell MESC Understand that 77/312 is no longer valid and 77/300 is taken over 77/312.
Valve stem rating 2010-10-22
We have a butterfly valve with 6" 2500# Flanges. A working pressure of 3080 psig, a differential pres of 700 psi. Materials are 316SS.
Cone/Ball Valve 2010-10-22
I have concern regarding how to control/set the emergency closing speed (seconds) and if it is really necessary, because I have others peers that said it is not necessary.
