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Thank you, Akhibi! Sometimes I am confused by so many different calendars. BTW, after the schedule finished in a project management team, the next step is print the plan and send to different engineers to review, or just submit to manager?

Hi, I don't understand why list so many calendar: global, project, and resource. What the purpose of these terms ?

Anegri, Thank you very much!

I found that BS6364 and SHELL MESC77/306 have tightly relationship with Fugitive Emission Tests. Does it mean "approved" valve is manufactured according to MESC standard? and every valve manufacturer who implement MESC in their producing process will automatic named as SHELL "approved" valve.

Thanks Biginch and JLSeagull! make sense.

When organizing the documents, I sometimes find that the client need "Approved" valve. Although colleague explain that it means approved by BP or Shell, I would like to know more about it. But I cannot get any information from BP or Shell website. Thanks beforehand!

Thank you TD2K and SJones!

Recently I am interested in NACE, lots of petroleum and natural gas pipeline valve need manufactured in terms of it. I am wondering how a company identify its capacity to implement NACE, or it could be provided authorized certificate by this organization similar as API6D monogram. Thanks!

Thanks, Johnsmith2. get the shadow of the fact.

thanks, JimCasey!

thank you! make sense of it!

I am curious about how to decide the valve torque? just pick up from handbook or national standard data? and what about stem diameter, stem thrust? if need caculate, how?

Thanks Ashereng!

thanks!

Valve Torque Reqd Stem TPI Stem Thrust st I got a enquiry that includes some items which describe the valve features. please tell me what the meaning of these words! especially "TPI", what does this abbreviation means? thanks a lot!

Anegri, I really appreciate your help.

thanks anegri! I thinks it's a sort of paint.

I don't know what the Phosphor Black means.---"the valve finish with Phosphor Black" Is it a kind of special material for painting? Thanks!

thanks , Petergg! I am comparing several chemical process design master courses. maybe from next term.

sairaj---philosopher I have not thought of too much. But I have interest in mechanical equipment.