Diameter pipe specifications, pipe national direct, precise diameter pipe manufacturing plant pipe Cangzhou En Ti 24-hour national hotline 0311 -68,031,627 Mobile 15373637303 QQ2015693327 size head nominal diameter DN20 × 15 - DN1600 × 1400 wall thickness 2.0 - 50mm size of the head, also known as reducers. One chemical pipe, used for two different diameters connections. Is divided into concentric and eccentric head size of the first two kinds. Size of the first materials including stainless steel head size (304304l316316l), alloy steel, carbon steel head size, head size of the material is 20 # steel, Q235, Q345, 16Mn and so on. Head size standard: American standard British standard and non-standard products. Ministry standard GD0506 ~ 0507 Pressure Vessel supporting flange, tube plate corresponding standards: JB/T4700 ~ 4707-2000 implementation of national standards (GB/T9112-2000), Ministry of Machinery Standard (JB/T81-1959, JB/T74- 1994), petrochemical unit standard (SH3406-1996), Marine standard GB/T10752-1999, Ministry of Chemical Industry (HG/T5010-1958, HG/T20592-2009) and so on. Forged flange material compliance with U.S. export of ASTM A105 standards. National 24-hour hotline 0311 -68,031,627, Mobile: 15373637303 QQ: 2015693327 Website: www.hebeishenghao.com Contact: Wang Professional production pipe | Elbow manufacturers | Tee | Reducer | cap | bend control manufacturing factory . Hebei En Ti Pipeline Limited was founded in 1982, covers an area of ??850,000 square meters, construction area of ??260,000 square meters, fixed assets of 150 million yuan, the company employees 726 people. Situated "China elbow pipe capital" Mengcun North Industrial Zone, east of Huanghua Bohai Bay, north of Beijing and Tianjin, the environment better, and convenient transportation.