2 Questions
1) Can NPS 12 class 150 BW swing check or gate valve be welded directly to a BW 90 deg. LR elbow?
2) Can NPS 12 class 150 BW swing check or gate valve be welded to each other?
Anyone know what a flatolet is and what it looks like?
A major refinery (client of ours) has just recently add this fitting to one of their pipe specs.
I know what a sockolet, threadlolet, & a weldolet is, but, never heard of flatolet.