Cangzhou Bohai Pipe Fittings Co., Ltd. 20 # flange threaded flange threaded flange nominal diameter: DN8 ~ DN100 Working Pressure: 1.0 ~ 2.5 (MPa) threaded flange plate material: stainless steel, carbon steel, alloy steel. Threaded flange Uses: For fire protection, gas, hot water, air conditioning, air pipe, tubing, gauges, hydraulic pipes and other industrial and civilian pipe thread locking and sealing Cangzhou Bohai Pipe Co., 20 # loose flange welded flat loose flange ring: a cost savings. When the pipe material 20 # flange special offer, while expensive, flange welding the same material cost is high. 2, does not facilitate easy welding or large processing or required strength. Such as plastic pipe, glass pipe and the like. 3, ease of construction. Such as connecting flange bolt holes are not easy to find the corresponding positive or prevent future replacement of equipment, such as a change in the flange bolt holes. 20 # flange price, Cangzhou Bohai (certified), 20 # flanges provided by Pipe Co., Ltd. Cangzhou Bohai. Cangzhou Bohai Pipe Fittings Co., Ltd. (www.czbh628.com) (www.hbbh628.com) is an industry leader in Cangzhou, Hebei, three, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Cangzhou Bohai leadership with the staff warmly welcome all inquiries negotiations to create a better future Cangzhou Bohai.