10 DeviceZoneType 
10.25 ExternalChannelType
10.25.10 PressureReturnLine
Description: Actual value of the pressure in the return line.
Unit: bar or lbf/in² (=psi)
Example: 5
Online versions of OPC UA specifications and information models.
Description: Actual value of the pressure in the return line.
Unit: bar or lbf/in² (=psi)
Example: 5