Hi all.
I would like to ask you, is there any standard requirements for installing main valve on feed water line? On existing line, there are two valves on the branches leading to boiler feed pumps, but no valve on the main line. In case of changing/maintaning of any valve, feed water tank will...
I have a doubt, can it be used stainless steel flange, with carbon bolts?
On the plant that I'm currently working, WNRF flanges A/SA 182 are connected with B7 bolts. Is it allowed by ASME connections of different types of materials? Will it increase corrotion rate?