Internal welding clampInternal welding clamp similar with internal alignment clamp, but it have additional function of full automatic welding system, when machine working, air source though motor and a serial valves to boost two rows clamp shoes against two pipe ends, though remote controller operate alignment and doing preheating advanced, make sure the welding ends temperature arrive to target standard, Fire, then welding action start, first clockwise root weld welding seam for half of pipe automatically, then anticlockwise root weld the next half of pipe, after completing welding, test whe
Internal Welding Machine