blast gate

(redirected from Blastgate)

blast gate

[′blast ‚gāt]
(metallurgy)
A sliding plate in a cupola blast pipe to channel airflow in the proper proportion.
References in periodicals archive ?
The airflow was exhausted by an axial fan; its rate was adjusted with a speed controller or blastgate based on thermal anemometer measurements.
Both the air input plenum and the hoods are connected to blowers and have blastgate dampers for airflow control.