• Steel Flanges

    A flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system, provides easy access for cleaning, inspection or modification. read more

  • Pipe Fittings

    The ends of all buttweld fittings are bevelled.The shape of the bevel depending upon the actual wall thickness.This bevelled ends are needed to be able to make a "Butt weld". read more

  • Steel Pipes

    Pipe is a hollow tube with round cross section for the conveyance of products. The products include fluids, gas, pellets, powders and more. read more

Summit Natural Gas is going to check hundreds of pipeline fittings that may have been installed improperly on the pipeline network in central Maine. The company plan to finish the inspections of the pipeline system in this year, they will have to dig up sections of roads and inspect a lot of pipe fittings which connect segments of the gas pipeline net work to check whether the pipes and fittings was installed correctly.    

Summit company believe the pipeline network is safe,but they want to make sure it meets the highest safety standard . This time the problem is mainly from the installing of electrofusion couplings which are installed by their subcontractors-Tetra Tech.  




As a pipe fittings supplier of Summit company, our company hebei haihao group once supplied the hot induction bends to their project.  In a pipeline project, the pipes and pipe fittings quality is very important ,  the installing of the piping products are also very important, it will determine the pipeline working quality . 
Hebei haihao keeps working hard to produce and supply high quality piping products to our partner and clients .

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haihao has been a professional supplier of pipes,fittings and flanges, serving the world industry piping since 1982.
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as a leading manufacturer,stockist and supplier, our knowledgeable and experienced technical team can understand well what you need . help you find the best solution for your regular and specific requirement.
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Tom , Haihao Group

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