Hello.
I have been assigned to choose a mass flowmeter to measure 99% urea at 140 Deg C and 20 bar.
I have been checking Endress+Hauser and Krohne documents,and:
E+H recommends only Ti tube for temp < 100 Deg
Krohne recommends either SS 316 or Ti for temp < 90 Deg.
However, beside that...