Description
Manual rectangular duct damper is suitable for chemical plants, laboratories and other application environments with explosion-proof requirements. It is used in PP material ventilation duct systems and is connected with PP air ducts. It is used for corrosive gas extraction and exhaust control, anti-corrosion, acid and alkali resistance , PP plastic manual rectangular duct damper complete specifications, supporting PP duct, elbow, tee, variable diameter use, constitute a complete PP ventilation duct system.