أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
You can calculate tonnage by measuring its:
1. Pressure
2. Flow rate
3. Temperature
once you have these three values, you can calculate tonnage or look into the steam tables. google "steam tables" to get more info.
Regards
Asad