... joint, so. It can afford large internal water pressure and used as pressure piping.Pipe standards: Q/TWLG 02-2006Pipe diatemeter: ... pipes in power station, water cooling circulation system, inverted siphon, pressure tunnel pipeline, deep earth covering culvert, etc.Price superiority: JCCP ... jacking construction, and it can also be well connected with pressure pipe. There is no need to make bushing and ...