Hello,
I have a steel pipe line with material A106Gr.B.
I use the ASME code B31.3
The pipe line conditions are -0.7b at 72°C. The Ø of the line is 28".
Is there somewhere a standard to test this line ?
I know how to fill a table to specify a hydrotest pressure but not for vaccum line !!
Do we...
Hello,
I have many Material Certificates concerning nuts and I can not find any informations about Tensile Strenght, Yield Strenght and Elongation. Same thing in the different suppliers documentation.
I talk about nuts and not Bolts or Stud-Bolts.
Do the manufacturer make obligatory these tests...
To terje61 : It's not easy, we are in shutdown during 50 days (I have never seen a long time like this before !!). Delivery time for valves is very long (I'm French), actually, about 3 or 4 months minimum.
To roby : All Ø are under or equal to 1"1/2
To onrush : My client proposed this. He is...
Thanks JimCasey.
In fact, I learned they want to weld an indermediate piece made by themself, like a reduction, welded in full penetration.
One side (valve side) will be male with a shoulder at the external diameter of the valve and the other side like the pipe (I am waiting their drawing). Why...
Hello Everybody,
I have a project in Russia and I learn today I can't weld any valves in SW (GostR do not accept SW).
My customer wants to make a reduction to transform the valves SW in BW.
Class of my valves is #2500.
What do you think about this ?
