Dear all,
At this time we are upgrading some of our seal systems from single to dual seal, mainly because of security improvements.
In applications of Hydrofluoric acid (HF) we have received proposals that specify a dual Type B seals (metal bellow)with plan API 53B.
Our experience in this...
RJAOB
Reading the previous comments from BK and Flexibox the conclusion is that it is not easy to decide between API 53B and 54, a normal situation for all of us that have worked m. seals for a long time. Each have pro and cons that need to be considered.
Pls. check this link...