The Test Tips of the Corrugated Steel Pipe Culvert
Seal: seal the end of the pipe with the argon arc welding, make the straight section to form a whole part, which is easy to weld with the end pipe.
Sealing end: welding the corrugated steel pipe culvert with the end pipe together with the argon arc welding by hand.
Welded flange: weld the pipe and flange together with the argon arc welding by hand.
Pressure experience: 1. Install the test fixture; 2. The test pressure is 1.5 times as the designed pressure; 3. Test whether it is leaking.