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Thanks and noted, basically i tried with many of my fiends in the valve industry but its seems so secret that now one is having the list. amazing....let me directly check with shell...

Hi; Looking for the shell approved valve manufacturer list for the ball, gate, globe, check & Dbb valves.

u will get the pressure rating in B16.34 as a group number.

I got some of the details from the client, its basically used in the well heads for high pressure and the standard follows is API 6A.

Sir, IPF stands for Instrumentation Process Functioning Valves.

Dear Sir's, Please guide me about IPF valves, testing procedures, testing standards, Accetance criteria of shell & seat etc......

Dear Sirs, I am looking for the SRV test procedure with respect to international standard, can some one will help me to get this.... regards jaff

Thanks seagull, I found that higher rating valve is there but below 2" size, I want to calculate the flange thickness for the higher ratings flange. jaff

Hello John, Actually it is depends upon the company back ground, on which company u r working, if ur company involves in the project and u r implementing this actitivites then it is valubale to u as well. after certification u r not implememting PM in ur activities so there is no use, now from...

Dear, What will be thickness of the flanges using for high pressure rating valve of 5000#, 10000# etc. How we calculate the blind thicness and clamping force required for the all ratings valve with different sizes. Thankss.........