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管道封堵气囊简介Introduction to pipe sealing airbag

作者:上海艾立德 来源:www.qinangfengdu.com上 发表时间:2019-9-23 浏览:次  

Pipe sealing air bag is a kind of multi-specification and multi-shape product made of polymer synthetic material, which is used for pipe, culvert water conveyance, sewage discharge and desilting maintenance.

How the pipe seals the air bag

The working principle of airbag water shutoff is to make it expand by means of inflation. When the air pressure in the airbag reaches the specified requirements, the airbag fills the whole section of the pipe, and the friction between the airbag wall and the pipe is used to block the leakage, so as to achieve the goal of no water seepage in the target pipe segment.

Airbag is especially suitable for water closure test, air closure test, leak point search, temporary water shutoff and other maintenance and testing work after sealing the drainage pipe.

How to use the pipe to seal the air bag

Plug the air bag in the pipe and put it into the opening of the pipe that needs to be blocked. Put the length of the pipe into the length of the air bag, and then rush the compressed air into the specified pressure through the air inlet valve to carry out the construction. After the completion of the construction, open the air inlet valve to release the air and take out the air bag.

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