Instructions:
Select:
steam or ocondensate
multiple or single valve arrangement
fire or non-fire case
standard spring loaded valve (or pilot) or valve with a bellow
maximim allowed working pressure and relieving temperature
backpressure
required relieving flow capacity
Bin icon clears the values. Long press deletes the data file.
Read icon gets saved data
Save icon saves entered data
Show icon shows parameters in the calculation case