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Hi All, How do you perform a Continuity and discontinuity test on a Insulation flange that transport hydrocarbon? should we use a “Megger” and what is the required voltage set . Also, I read somewhere in the internet that use of Megger in such test, line should be dried. Kindly advice please...

Thanks guys for your comments

Hi All, Kindly need your assistance on this one we have a 5 Cr-½ Mo 6'' heater tube that was weld repaired, however preheat of 175 degrees Celsius was not done prior to welding is this acceptable? we have moved straight to Post Weld Heat Treatment. Regards, Edward.A

Mk32223, the inlet pressure rating for the horizontal tanks is 43.5 psi so it falls under the pressure vessel code ASME VIII, however there is no ASME stamp shown on the tank so I presume the tanks were shop build. The thickness readings are still satisfactory approximately 7.00mm to 6.50mm for...

Hi All, There is a hydrocarbon horizontal tank that I've perform thickness gauging and visual Inspection, however this horizontal tank does not have a design data information which means no nominal thickness which I cannot compute the remaining life or its fitness for service it is a 103,000...

Hi All, What is the recommended standard for Inspecting horizontal hydrocarbon tanks. Regards, mafla

Thanks Raymond well noted.

Raymond, I don't think its a vent hole especially a weep hole inside the Air cooler partition plate because the vent we have on the Finfan cooler is 1/2 pipe located on the header. Regards, Mafla jones

Raymond, The only problem we now have is we did not seal weld or apply belzona on the weep hole especially on the other side or the left side partition plate as per the attached drawing and the fin fan cooler was given over to operation for start-up. Regards...

Thanks Raymond for the correction ( weep hole). My concern is we have been experience tube leaks on our Fin fan cooler especially LPG Stabilizer Condenser three pass so our Management decided to plug the outlet tubes as per the attached drawing. My Question is will product leak thru the weep...

Hi All, I was looking thru the API standard 661 for Air-cooled Heat Exchangers regarding partition plates and I cannot seem to find a wipe hole. Should there be a wipe hole on the partition plates for the fin fan coolers. Please see attached wipe hole on the partition...

Hi Gents, we wish to install a 2'' Stilling well in our small Gasoline tank (internal floating roof) Does any one know the slot size on the holes of the 2'' stilling well. Thanks, Edward Aisa

Thanks Raymond much appreciated I found what I was looking for cheers, Mafla

Hi All, I was looking through the code (ASME BPVC.VIII.1)I cannot find any thing? on the minimum number of nozzles required on a Pressure vessel for this instant a Air Receiver for Instrument Air System. Best regards, EA