On March 8, 2015, the Shiyan City Council held a symposium on the development of the new energy automobile industry in the city, extensively listening to opinions of experts, professors and relevant functional departments and enterprises, and further clarifying the development direction, ideas, and measures. 　 Pre-insulated Pipe Fabrication
Pre-insulated, pre-fabricated jacketed piping system is used for industrial and commercial applications. Pre-Insulated, pre-jacketed thermal pipe has a definite advantage over field installed insulation and jacketing. All straight sections of the factory preinsulated piping system shall be jacketed with a High Density Polyethylene (HDPE) jacket conforming to ASTM D1248,PVC jackets shall not be allowed.
All field butt joints shall be made in straight sections of pipe.here for welding polyethylene, it can use field hdpe pipe Butt Fusion Machines according to pipe range. For PE Pre-insulated pipe fabrication, It will use workshop fitting machines for bend fabrication of plastics. How it works? Firstly you need to prepare pe pipe Angle Cutting Saw and fix thin pipe on sepcial clamp, and then cut hdpe pre-insulated pipe in required angle. Then move this pipe and fix them on elbow clamps of pre-insulated fitting welding equipment. Special half heating plates positioned on top of the welding zone are used to ensure the required welding temperature, The appication of uniform welding pressure which is controlled hydraulically, ensures the quality of the weld between the sleeve and the pipe casing. The welding phases of pipe fabrication are below: 1. Approaching and preheating 2: Heating 3.Removing the heating element 4. Reaching the welding pressure 5.Welding 6. Cooling
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At the meeting, it was stated that all levels of enterprises at all levels in the city should further unify their thinking, attach great importance to the development of the new energy automobile industry, and place emphasis on the development of new energy vehicle industry on new energy commercial vehicles (special vehicles); In terms of R&D, manufacturing, application, and market expansion, we must scientifically plan and design the overall plan, formulate guidelines for the development of new energy commercial vehicles (special vehicles) industry as soon as possible, coordinate departments, make clear initiatives, and actively promote key enterprises. The "one-on-one discussion" approach is adopted to promptly help enterprises solve the difficulties and problems encountered in the development and accelerate the development of new energy commercial vehicles (special vehicles).