Hi all,
I am looking for an international standard that suggests finishing coat colors (RAL numbers) for various equipment/piping in an oil and gas site. Is there any standard or is it the client spec only?
Kind regards,
Hi Gents,
Can you introduce a reference to specify the material for tubes in aircoolers?
In specific, what could be the proper material for tubes in an air cooler as a steam condenser (steam inlet and condensate outlet)?
Thanks
Hello All,
In the basic phase of a project, thermal and sizing design of shell and tube heat exchangers shall be done or the responsibility can be given to the vendo?
Hi Gents,
What could be the reason and solution for the corrosion in the below photo?
The wall of electric equipment, nameplate, and lock all are 316L (material certificates approved valid for 1.4401/1.4404) and the weld filler is 316Lsi(1.4430).
The equipment is just received on-site and not...
@EdStainless
Thanks for your reply.
In the second line, you mentioned moisture and oxygen control. What is the problem with moisture at this high temperature? And what should be controlled regarding oxygen?
It is not also possible to prevent deposit formation. We remove that by decocking.
And...
Hi all,
In Waste Plastic Pyrolysis, we faced severe corrosion problems in our Pyrolysis Reactor.
Operating condition:
-Feed: Mix of waste plastic
-Temperaure: up to max 850°C
-5hours Pyrolysis, 2-3 hours regeneration (combusion+deckocking)
-Time by time cool down to room temperature for...
Hello All,
For one of our projects, we need to select proper material for a pipe containing melt plastic contaminated with Bromide and Chloride. Following is the operating condition:
Design pressure: 50 bar
Design Temperature: 420 °C
The contamination of bromide and chloride is not clear yet...
Hello all,
For a pipe between Reactor and Extruder, we need to select a block valve. This valve blocks the line for cleaning. Do you have any idea which kind of block valve best suits? Please share the manufacturer if you have experience working with them.
Design Temperature: 420°C
Design...
Thank you all for your replies.
@r6155, that was our first suggestion to the client, but due to some reasons, they decided to proceed like this. Since we are at the latest stages of manufacturing, it is not possible to change it.
@MJCronin, Reactor with mixer installed at the top, total height...
Hello all,
To install a replacement vertical vessel on existing anchor bolts, vendor suggested that legs be split into two parts. The lower part will be delivered to the site sooner to be installed and then later the reactor will be welded to it.
The suggested welding method is as below...
Hi all,
for one of our projects, we need to perform detailed engineering for the Tank API650 design.
What is your suggested software for the calculations? Is there any excel sheet for the calculations?
@MintJulep Cute reply. From your experience, when we do not accept an old certificate? I mean when should the project requirement request for a new certificate?
Hello all,
Bidder stated in the proposal that Ferrite testing will be carried out only on the welds of duplex spools. Why not for the other spools including SS316 and 304L?
Hi all,
In a project, we have bout a small 1" globe valve. The material certificates that we received for this valve are very old and backs to 2015. Could it be acceptable?
Generally what is the approach, shall the vendor issue a material certificate for each purchase separately or if they have...
@r6155
Thanks for your input. The shell is SS304L 10mm. External Forces and Moments for each support is. Support pad dwg is as below.
Radial Load (SUS) P 10000.0 N
Longitudinal Shear (SUS) Vl 52500.0 N
Circumferential Shear (SUS)...
@r6155 Thanks for sharing.
The equipment is still under operation. The problem is detected recently and we are going to start the repair very soon.
May you explain what do you mean by extending the ribs? and what happens if we do not do that for all 4 legs.
