Natural gas pipe sealing bag product features

1, various sizes, various specifications, a variety of shapes, more choice
2, can be customized according to the drawings;
3, all the water balloon is equipped with a standard gas valves;
4, large water balloon is equipped with replaceable valve, easy maintenance and replacement;
5, all air bags can be 90 degrees fold for convenient storage;
6 airbag, gas pipeline has specific fittings;