Commonly used P&ID symbols (Piping and Instrumentation Diagram symbols) for instrument signals. Note that they may differ slightly from one project to another.
| Process Connection |  |
| Electric signal |  |
| Capillary connection |  |
| Software signal |  |
| Mechanical link |  |
| Hydraulic signal |  |
| Pneumatic signal |  |
| Electric binary signal |  |
| Pneumatic binary signal |  |
Y axis of a compressor maps indicates pressure ratio. Pressure ratio is the ratio of the compressor discharge pressure to the compressor suction pressure. If...
Based on the sizing calculations, PSV datasheet is prepared and a safety valve is procured and then installed on the equipment to be protected.
PSV...
Hot fluid in temperature TH1 = 100 0C
Hot fluid out temperature TH2 = 80 0C
Cold fluid out temperature TC2 = 50 0C
Cold fluid in temperature TC1 = 30...
Pipe pigs are also used to separate different products in a multiproduct pipeline. Use of pipe pigs for separation between two products results in saving of...
