Symbol 2821 from ISO 7000 - Title/Meaning: Fire pump, general Function/description: To indicate a control used to initiate a pump. The symbol may indicate an on/off function and also a pump performance (example, revolutions per minute, flow rate or presssure). The symbol may be used as an indicator to show when the pump is running.
pay attention to orientation of symbol
Own work using: iso.org/obp/graphics/grs/ab29ba4e-7620-4266-af22-dd3fd5cf59ac 200.png
Vectorization:  Mrmw