Yanshan County Bo Yan Pipe Co., Ltd. is located in Yanshan County Industrial Development Zone. North of Beijing and Tianjin and Beijing-Shanghai railway to the east Bohai Sea, Tianjin Port, State Road across the county superior geographical conditions, abundant local resources, for my company's development has laid a good foundation. Best-selling products, and exported to South Korea steel pipe flanges, Vietnam, Singapore large steel flanges, Malaysia and other countries. I used to pursue "science and technology first, gaining the upper hand, quality, customer supreme, credit first" business ideas, is willing to domestic and foreign users and sincere welcome customers to work together to create a better future. Plate flat welding flange easily obtained, create a simple, low cost, widely used; however, less rigid carbon steel flanges, and therefore can not be used there is supply and demand, chemical process piping systems flammable, explosive and high vacuum requirements and height, extremely hazardous situation. Sealing surface with flat-screen and projection surface. Plate flat welding flange is the most common flange, pressure has PN0.25, PN0.6, PN1.0, PN1.6, PN2.5. Welding form: welded flange plate is welded to the pipe going into the flange. Form sealing surface plate flat welding flange has a lower categories: convex surface (MFM) DN1300 ~ 3000 DN300 ~ 3000 DN400 ~ 2000 DN300 ~ 800 tongue and groove (TG) DN1300 ~ 3000 DN300 ~ 3000 DN300 ~ 3000 DN300 ~ 800 the whole plane (FF) DN300 ~ 3000 DN300 ~ 3000 DN300 ~ 3000 DN300 ~ 800 Yanshan County Bo Yan Pipe Co., Ltd. is located in Yanshan County Yanshan County Industrial Development Zone Bo Yan Pipe Co., Ltd. is located in Yanshan County Industrial Development Zone. North of Beijing and Tianjin and Beijing-Shanghai railway to the east Bohai Sea, Tianjin Port, State Road across the county superior geographical conditions, abundant local resources, for my company's development has laid a good foundation. Best-selling products of carbon steel flange specifications, and exported to South Korea, Vietnam, Singapore, Malaysia and other countries. Carbon steel flanges close and reliable. It has two sealing surface, and valve sealing surface material widely used kinds of plastic, sealing, and can be completely sealed. Because carbon steel flanges have to wiping in opening and closing process, it can be used for media with suspended solid particles. Model Q41F - 16C Q41F - 25C ASTM A105 about 0.9% (standard is 1.05Max with decreasing carbon content can to 1.65% Max) As GB 16Mn content in about 1.3% (standard 1.2% to 1.6%), JIS S25C then it is relatively low at 0.6%. My company is willing to preferential prices, reliable quality, advanced technology, good service and excellent work ethic, dedication and cooperation between domestic and foreign customers, and work together to create brilliant! We sincerely welcome new and old customers to visit and inquiries, call to discuss the order. Large carbon steel flanges, carbon steel flanges, Bo Yan Pipe supplied by Yanshan Xian Yan Bo Industry Co., Ltd. Yanshan County Bo Yan Pipe Co., Ltd. (www.czbygy.com) strong, credible, Cangzhou in Hebei elbow industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Bo rock pipe industry into the brilliant and you work for a better future!