This units is used when you want to specific unknown origin or destination of the products, in pressure and temperature.

For example, when you have methane as feed of your plant, and you don't know if it is from field of natural gas or des-gasificator plant or separator plant, you choose this symbolic and set pressure and temperature that you want to have in the beginnings of your process.

This is list of all symbolic unit that you can use.

• Starker. Choose this symbolic unit when you want to specific a feed in pressure an temperature without you need to know where are the really source.
• Arrow Right. Choose this symbolic unit when you want to send your product to unknown destination, would be harbor or store tank.
• Arrow Up. Choose this symbolic unit when you want to send gas to Flare unit or you want to burn this gas at the atmospheric.
• Text. Choose this symbolic unit when you want to put a name in a specific units. This is use for identifier parts of process.