Sealing device 
 Plugging pipe repair device is a device used for plugging pipes http://www.jkgssb.com, also known as card check section http://www.jkgssb.com/Product-201106100.html, by the symmetry of the two parts complex body card, the card re-pressed blue, seal ring, seal, fastener components, card recovery body cavity, the external V-shaped, card, complex body of oral lan connection flange and pressure increase the use of convex-shaped seal ring are connected, the , the next card at the complex interface between the body of the seal sealed by bolts, nuts as a whole, its structure is simple, easy to use, http://www.jkbcq.com can be widely used for drainage of liquids, gases pressure pipe trachoma, porosity, horizontal, vertical fracture caused by leaking the leak, saving labor, time, cost savings.