Flange release time:2014-08-13 15:47:01 Read:638Times 【Font:Large Medium Small】 Name: Flange Aliases: thread flange, blind flange, welded flange Applications, characteristics: The main connection method of pipeline connection. Petroleum products: API SPEC 6A, national standard: GB/T9112-2000 (GB9113 • 1-2000 ~ GB9123 • 4-2000) US 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, HG20592-97 Series, HG20615-97 Series Mechanical Department Standard: JB81-59 ~ JB86-59, JB/T79-94 ~ JB/T86-94, JB/T74-1994 pressure vessel standard: JB1157-82 ~ JB1160-82, JB4700-2000 ~ JB4707-2000 B16.47A/B B16.39 B16.48 Common basic parameters: Petroleum industry: DN (unit: mm): 52, 65, 78, 103, 130, 180, 230, 280, 350, 425, 476, 530, 540 Pressure (unit: MPa): 14, 21, 35, 70, 105, 140 Other Industries: DN (unit: mm): 10, 15, 20, 25, 32, 50, 65, 80, 100, 125, 150, 200, 250, 300...... Pressure (unit: MPa): 0.6, 1, 1.6, 2.5, 4, 5, 6.3, 10, 15, 26...... Flange structure type: There are mainly threaded flanges, double-sided flanges, conversion flanges, test flanges, blind flanges, flat welding flanges, butt welding flanges, concave and convex flanges, neck flanges and so on Selection details confirmed: