Why do not you buy a new bundle or even a new heat exchanger? From your picture,the parts you can probably re-use might be only the tube sheets. I can provide you a new unit at lower cost than your repair cost.
Just to confirm that when you say tube leaking, you mean between the tube and tube sheet.
After you re-roll the tube, did you hydro test the boiler before putting it back in service?
For qualifying a WPS, can we use a thin,samll diameter coupon to qualify the samll diameter, say 1" OD, and another thick,large diameter coupon to qulify the big thickness, say 60mm?
It is really bad. I could not imagine that it can pass visual inpsection. Wait a minute, they come with certs from inspection companies. BV and Moody are western companies, whom we can trust. Somebody said we need to pay for our own inspector. Right!
Hi Guys,
Athomas236 mentioned about pressure parts only, so if you could not trust the AI who will sign off the paperwork I do not know whom else you can,beisdes most of the AIAs in China are big Western run companies. If Athomas236 wants sombody for progress/schedule control or as a second...
Every ASME certified manufactuere should have his own AIA who will inspect the pressure parts with ASME stapm. Why are you looking yourself for the inspection company?
Could somebody indicate what we should do when we design, fabricate and inspect pressure vessels using ASME code but need PED for Europe country? Take pressure vessel made of SA516-70 as an exsample?
"It seem so strange for me: I heard form other of my collegues working in other Companies that they have exported into CHINA in full accordance with ASME without any amendment to the Code. "
Not strange at all. I told you in my reply. It is possible for your China customer to accept ASME...
Gan2foss,
For your questions, you have the follwoing options:
1. You get your company registered with China vessel regualtion authority. They will issue your company a cert of authorization. But this takes time and you must have somebody within your comapny who knows Chinese Code-GB150 and...
When designing a PV fabrication shop, what should be considered? We are intend to fabricate both SS and CS vessel. Should the SS workshop be completely isolated from CS one? What is the requirement of NDE section?
