Is one of the main products of high-quality varieties elbow my company, 90-degree elbow high pressure is used to carry out a high-pressure pipe fittings corner turn different angles. All fittings in high pressure piping system used in the largest proportion, about 80%. General thickness of the high-pressure elbow 90 degrees elbow to be thicker than normal, or high pressure material strength than ordinary strength elbow higher. There butt and socket weld and threaded connection three ways. Implementation of standards GB / T12459-2005, GB / T13401-2005 and so on. 90 degree elbow material commonly used high-pressure high-quality steel, carbon steel, stainless steel or alloy steel, high pressure elbow can withstand high pressure in a variety of high-pressure pipeline and the pipeline can withstand the corrosive fluid.