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Friends, This is related to a drinage pipeline for a oil tank and i just wrote what was written down on the relevant drawing. Thanks

Hello friends, I would appreciate if someone guides me what PROP Pipe and fittings in piping are and what the application is. thanks

I'm looking for hot air piping design criteria. Astcually we have Anti Icing pipe line with max. 19.5 bar and 450°c. The material is stainless steel and My main question is are we forced to use seamless pipes or no? Tanks for any reply.

I need to now exact, what is the difference between pressure transmitter and pressure trancducer. thanx to any reply.

I have interfaced in my P&ID diagram to some abbrivation which I don't have any refrence to recognize them. for instance when I have PIA, It mean's pressure indicator with alarm. but I need a standard list which I can verify any abbrivation. any information will be highly appriciated.

hi everybody, I want to know that for aluminum welding with MIG process is it necessary to purge the root side,we have backing ring for the 10" aluminum pipe.(bus bars for the power plant) thanks.

thanks for your response for my last question, we have welded the 3/4" drainage stainless steel without gap (square joint), but unfottunatly we are not sure whether the penetration is good or not. I want to know the fully penetration is essential in square joint? I want to know for drainage...

Hi every body, please tell me according to any standard how much gap should be considered for welding the 1 inch stainless steel pipe by TIG process in square weld _____ll_____ . this pipe is for drainage line.(can we weld without any gap? penetration is essential?)

Dear friends We are building a power plant in Iran; we should use Thyssen E 308H-15 in an area in turbine. We couldn’t find this electrode in Iran. Can you introduce another electrode which is compatible with welding the (1.4541 EN 10088 to 1.4878 EN 10095)?

in addition for former questions our standard is API650 and shell thk. in first shell is 20mm and preheat temp. which is mention in WPS 30'c .

hi, I have another problems for radiographic of first shell and repair the defects in it. we put the films in the lowest part of first shell and we have LOF in the weld and we can not repair it by grinding without damaging the anular plates. please help me how can we repair it and was taht right...

thank you for your response,the shell thk.20 mm and the preheatig temp is 30

hello, we did the first pass of vertical weld in storage tank but becuase of raining we stoped the work.after 2 days we started to weld the socand pass without any preheatig and the ambiente temprature was 5-10'C .our refrence standard is API650.for second pass the plates was dry. can this...