GB heat exchanger SO flange set

There is a DN2000 falling film heat exchanger, customer requirements are SO flange, I would like to ask how to choose this flange? How to calculate
2017-05-05 Reply
If the media is highly toxic or highly harmful, it is best to WN flange, but the cost of WN flange
2017-05-07 17:22:53 Reply
Such a large diameter, there is no direct standard SO flange, the proposed design of non-standard method
2017-05-11 11:24:42 Reply