litian
Is the standard number on the pressure vessel drawing GB150 or GB/T150-2011?..
阳光boy
Does the Writing Capacity Coefficient of Gas Tanks Other than Liquefied Gases..
wangliang
Ask you, when calculating negative pressure, should the design temperature be 40 degrees, ..
光头强
This is a tube plate of an evaporator. How much is left in the first half of the heat tran..
小鱼曾乖乖
Has the new permission condition for pressure vessel manufacturing come out? In the future..
TuKai
Heat exchanger tubesheet is not used as flange at the same time. How to ensure the paralle..
阳光boy
Minimum design metal temperature.
What circumstances need to be considered..
一路向东
NPS1" is & phi; 33.4 & times; 2.77 or & phi; 33.7 & times; 2.77..
小鱼曾乖乖
Would you like to know if the welding procedure qualification test pieces of spliced head ..
阳光boy
The nozzle opening in the transition section of the head must be perpendicular to the head..