After applying hydro static test on FRP piping,crack propagation has been observed on one of flange's body.it should be shaved(grinded)for depth estimation.we have no acceptance criteria for crack size on FRP flanges.I even have no idea about employing fiber glass polyester flanges with cracks...
Following support arrangement is used in our project:
42 inches pipe has been welded to shoe support then shoe sits on base plate on concrete sleeper. between these two members Teflon pad has been installed .During the construction after changing ambient temperature ,The pipe expands and...
In API 5L there are some key words that client subjected to when dealing with suppliers , but API has no criteria or references even recommendation for them:
1-Fully killed steel
2-Banding
3-Inclusion size
I am looking for these definitions acceptance criteria .Has anyone been experiencing same...
I am working on a piping installation project,we have a 42 inches class 900 ,RTJ flange provided from stock material with no ring,we searched for related ring from other resources and found different ones with same descriptions but non of them does not match within ring seat,At first how could...
Dear Engineers
We need to choose between FBE(Fusion Epoxy Bonded) and 3LPE for underground Stainless Steel pipe external coating,Before this we 've used 3LPE(3Layer Poly Ethylene) for these kind of pipes and temperature condition,but now contractor's presented FBE which is unknown for me in...
Dear Gentlemen
Here we have a problem ,we are going to weld a 19 mm carbon steel flange hub, with 3 mm inconel 625 overlay ,to a 14 mm Solid inconel pipe, Executing team has presented a plan to build up the pipe with 8 mm inconel and then start welding. On the other hand, we have no free space...
