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A rotating machine outline moving gas at low pressure.
Also known as: Process fan symbol, Gas blower symbol
On a process diagram a blower is drawn as a rotating machine moving a large volume of gas against a modest pressure rise, between a fan and a compressor in duty.
Denotes a machine moving gas at a low pressure rise.
Contexts: Technical drawing
Occupies the range between a fan and a compressor, a distinction of duty rather than of construction.
Contexts: Technical drawing
A circle with an internal curve representing an impeller, connected to inlet and outlet lines.