자주 묻는 질문
자주 묻는 질문
What are blank duct plugs used for?
They seal empty HDPE conduits and subducts to help prevent flooding, water entry and sedimentation.
Are these duct plugs removable?
Yes. The source describes the plugs as removable and reusable, with hand installation and removal.
Which size families are published?
The page lists DT32/24, DT40/31, DT50/37 and DT63/47 families with tube specifications. Confirm the exact row.
Can a blank plug be retrofitted?
The source describes easy retrofit. Confirm access, duct condition and the installation method for the selected size.
Are the plugs watertight and airtight?
The supplier states water-tight and air-tight performance. Request the test method and required pressure boundary.
What should a blank-plug enquiry include?
Send empty duct dimensions, DT family, silicon-core requirement, environment, quantity, packing and test documents.