Insulating flange flange 
 Insulating flange is both buried steel pipeline required sealing performance and corrosion protection for electrical insulation required for the performance of the pipe flange joint flange collectively, which includes a pair of steel flanges, insulation seals flange fasteners and fasteners insulation parts and two-phase welding flanges have been short of a pair of steel pipe. Over the years my company for the oil, chemical industry, shipbuilding industry, oil depots and other products, it is simple, inexpensive, safe, reliable, widely praised by users. In addition, our company or drawings in accordance with user needs processing. 
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