Cangzhou Bohai Pipe Co., Ltd. specializing in the production of 20 # flange tube sheet tube sheet is widely used in shell and tube heat exchangers, boilers, pressure vessels, steam turbines, large central air-conditioning industry. Mainly used in chemical containers, Linfen 20 # flange, such as shell and tube heat exchangers, pressure vessels, boilers, condensers, central air conditioning, evaporators, desalination, 2059320 # flange, from the support of the fixed tube effect, it is not only the metal material having a strong rigidity, but also has great thermal conductivity. Cangzhou Bohai Pipe Co., Ltd. specializing in the production of 20 # Flange basic standards of national standard: GB / T9112-2000 (GB9113 · 1-2000 ~ GB9123 4-2000?) American Standard: ANSI B16.5 Class150,300,600,900 , 1500 (WN, SO, BL, TH, LJ, SW) Japanese standard: JIS 5K, 10K, 16K, 20K (PL, SO, BL, WN, TH, SW) German standard: DIN2573,2572,2631,2576, 2632,2633,2543,2634,2545 (PL, SO, WN, BL, TH) Ministry of Chemical Industry Standard: HG5010-52 ~ HG5028-58, HGJ44-91 ~ HGJ65-91, HG20592-2009 (PN series) \ HG20615- 2009 (Calss series) machinery of the standard: JB81-59 ~ JB86-59, JB / T79-94 ~ JB / T86-94, JB / T74-1994 Pressure Vessel Code: JB1157-82 ~ JB1160-82, JB4700-2000 ~ JB4707-2000 Applications: boilers, pressure vessels, petroleum, chemical, shipbuilding, pharmaceutical, metallurgy, machinery, food and other industries. 20 # flange DN300, Linfen 20 # flanges, Cangzhou Bohai Bohai Sea by Cangzhou Pipe Co., Ltd.. Cangzhou Bohai Tube Co., Ltd. (www.czbh628.com) (www.hbbh628.com) strong, credible, three-way, etc. Hebei Cangzhou accumulated a large number of loyal customers. The company better work attitude and constantly improving Cangzhou Bohai innovative ideas will lead into the brilliant and you work for a better future!