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Dear macmet, Thanks for your reply. We do a simulation with Hysys and it shows that after supply valve we have very negligible pressure drop across the pipe line and if we have 1.2 bar at the outlet to atmosphere we would have 1.5-1.6 bar after supply valve, because friction of pipeline and...

Dear macmet, Thank for your reply. But there is another question. It seems that 2 methods applied to steam blow out. in firs method a sacrifice valve positioned at the end of pipeline and before temporary line ( valve must be quick open type) and after pipe filled with steam up to desired...

Dear macmet, Thank for your reply. But there is another question. It seems that 2 methods applied to steam blow out. in firs method a sacrifice valve positioned at the end of pipeline and before temporary line ( valve must be quick open type) and after pipe filled with steam up to desired...

Dear friends, We want to remove sludge and debris of steam pipe lines by steam blowing method. If we want to have a efficient steam out as it said before, disturbance factor must be higher than 1.2. Normal operation condition of pipe line is: Pressure :22 bar Flow rate: 175 ton/hr...

We want to start chemical washing of lube oil pipelines. before starting acid treatment we will do degreasing and water flushing, but I want to know if we start to acid treatment, which tests must be done to determine that treatment is complete? If we measure total Iron and Fe2+ and Fe3+ ions...