Maintenance of building water supply and drainage pipeline

Maintenance of building water supply and drainage pipeline
Building to drainage pipeline with blocking water balloon, round and square tube closure maintenance is very professional, pipeline plugging airbags, pipe occluder (pipeline plugging airbags) construction steps
1. Preparation: first municipal works, the round pipe occluder inflatable device accessories are combined, as a tool to check the leak. Pump to inflate the bag. The pressure shall not be more than 0.15MAP. Check the airbag whether leakage.
2, open the pipe mouth, the balloon from the mouth slowly placed inside the required for the position, and then to the pipeline occluder inflatable, inflated to the appropriate pressure as well (usually 0.25MP). Note, pipe occluder to avoid placing them in the riser pipe joints.
(1) the inner wall of the place has a joint, which affects the tightness of water shutoff.
Pipeline sealing air bag
Pipeline plugging bag Atlas
(2) to avoid pipeline plug to the side pressure expansion, not hit, if you continue to inflate, pipeline occluder will be broken.
(3) for municipal drainage tube, asked the Qing clean sand, smooth inner wall, does not allow burr, otherwise it will affect water plugging seal, even piercing the capsule. (4) a variety of pipeline plugging device must be used in the pipe, not with young generation.
3, in order to prevent the air bag and the hose off, in the air bag and the hose at the interface with wire tied or otherwise secured.
4, pump to inflate the bag to complete, the play pump gas to close small, can not continue to large number of inflatable, to prevent blasting airbag, causing the accident.
5, in the process of handling the air bag, the airbag should not be pulled to prevent damage to the outer wall of the airbag.
6. In engineering work, always pay attention to the air pressure value, if air pressure value in slow decline, no need to stop work, continue to use the pump to the airbag Qi to the standard air pressure, after the completion of the job in check airbag or parts where the leak.

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