filed welding joint clousure

filed welding joint clousure Used on pipeline connection and repairment pre-insulated pipe hollow-wall twised pipe Application: 1. District heating system (pipes), district thermal heating; 2. Steel pipes anti-corrosion; 3. Preinsulated bonded pipe system for directly buried hot water networks; 4. Three PE/PP layers with foam jacket insulation pipes connection; 5. Sewer line construction (Metal Spirally Reinforced Corrugated Pipe); 6. Water supply network; 7. Oil & Gas pipeline (tubing) Performance: Waterproof; Able to withstand axial forces initiated by axial movements of the pipe in the ground; Able to withstand radial forces and bending moments; Able to withstand effects of temperature and temperature variations. Have the same thickness of the line pipe insulation layer.