Large-diameter pipe elbow generally refers to the elbow with a diameter above DN600,large-diameter pipe elbow includes bevel straight seam elbow and large-caliber seamless butt welding elbow. The automatic welding production of large-diameter pipe elbows i ...

A lap joint flange(also called loose flange) consist two parts,the backing flange and the stud end,the stub end will be butt welded to the pipe,and the lap joint flange will be slip around the stub end.The lap joint flange is not connected to the pipe and ...

Reducing flanges are a durable,corrosion resistant flange designed for the connection of two pipes with varying sizes.Whether you are attempting to connect a larger pipe to a smaller pipe or a small to large,reducing flanges are what you will need to get t ...

What is a socket welding flange? Socket welding flange are typically used on smaller sizes of high pressure pipes.These pipe flanges are attached by inserting the pipe into the socket end and applying fillet weld around the top.This allows for a smooth bor ...

Hebei Haihao Group is Chinese leading flanges,pipe fittings&steel pipes manufacturer with over 35 years experience.We will attend NEFTEGAZ 2019(the 19th International Exhibition for Equipment and Technologies for the Oil & Gas Industries). Haihao G ...

Haihao Group is one of the leading steel piping manufacturer in China. We are specialized in stainless steel flange, fittingsand pipe. A pipe bend looks like a elbow of different bending radius. The most regular pipe bends are 30 degree, 45 degree, 90 degr ...

In october,Hebei haihao pipe fitting factory just finished the fittings order of piping system for airplane fuel ,the order products are steel pipes and pipe fittings with external 3LPE coating and internal epoxy paint lining. steel-pipe-epoxy-lining-thick ...

We are a carbon steel pipe fitting company in hebei provence, china. Since 1982 we began to making pipe fittings & flanges. We have a pipe fitting & flange factory in cangzhou, hebei provence. And now we have improve our pipe fitting quality and sc ...