I am replacing some short sections of 1" steam pipe (6 barg saturated steam). The service seems to be well within the pressure-temperature ratings of malleable iron fittings - 20 barg @ 300 oC - but I notice the unions I am replacing are 3000 lb, and possibly the other screwed fittings. Also I...
I've just read an MSDS which says that citric acid (anhydrous) can form a dust explosion hazard. How true is this? The same goes for sodium methoxide..