flexible ventilation ducting

flexible ventilation ducting

[‚flek·sə·bəl vent·əl′ā·shən ‚dək·tiŋ]
(mining engineering)
Flexible fabric tubes covered with rubber or polyvinyl chloride, used for auxiliary ventilation.
References in periodicals archive ?
10 long dgms approved heavy duty flexible ventilation ducting complete with eyelet and suspension hooks as per is specification no.
Plus mines 10percent long heavy duty flexible ventilation ducting complete with eyelet and suspension hooks as per dgms circular no.
Tenders are invited for Supply of heavy duty fire resistant and anti static pvc flexible ventilation ducting.
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