Click the valves button (), you must see that below image

You can see group called "Temperature"

• IN : Put the temperature inlet
• OUT : Put the temperature outlet
• Environment : Put the environment temperature

The next group called "Pressure"

• IN : Put the pressure inlet
• OUT : Put the pressure outlet

The next group called "Feed"

• Flow : Put the flow and set the appropriated unit

That group called "Design data", is used to estimate the cost of the valve

• Set "One valve" when you want to work with single valve
• Choose the type and the material of this valve
• Reducers option is used when you have reducers inlet and outlet of the valve.

Examples :

1. Example