ANSI B16.5 Stainless Steel 316 DN250 Threaded Pipe Flange
(1) ASME B16.5 stainless steel threaded flanges with pressure class designations, namely Class 150, Class 300, Class 400, Class 600, Class 900 and Class 1500, with sizes ranging from NPS 1/2 to NPS 24 and npt Threaded flanges with a Class 2500 pressure rating are available in sizes NPS 1/2 to NPS 12.
(2) Flange fittings with rating class designations 150 and 300 in sizes NPS 1/2 to NPS 24. The requirements for these threaded flange DIN 2566 fittings are as described in Metric and U.S. Customary Units, with bolt diameter and NPT threads. Flange bolt holes are expressed in inches.
(3) Flange fittings rated Class 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 24, and threaded reducers rated Class 2500 in sizes NPS 1/2 and above Threaded flanges and other accessories for flanges up to NPS 12. These are already available in threaded flanges
| Flange Material | Carbon steel | ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2, P245GH |
| P250GH, P280GHM 16MN, 20MN,20# | ||
| Stainless steel | ASTM A182, F304/304L, F316/316L | |
| Alloy steel | ASTM A182 A182 F12,F11,F22,F5,F9,F91etc. | |
| Flange Standard | ANSI | Class 150 Flanges-Class 2500 Flanges |
| DIN | 6Bar 10Bar 16Bar 25Bar 40Bar | |
| JIS | 5K Flanges-20K Flanges | |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar | |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar | |
| Flange TYPE | 1.Welding neck Flange; 2.Slip-on | |
| 3.Blind flange4.Long welding neck flange | ||
| 5.Lap joint flange 6.Socket welding | ||
| 7.Threaded flange 8.Flat flange | ||
| Flange Surface | Anti-rust oil, clear lacquer, Black lacquer, Yellow lacquer, hot-dipped Galvanized, electrical galvanized | |
| Connection | Welding, Threaded | |
| Technical | Forged, Casting | |
| Flange Size | DN10-DN3600 | |
| Flange Package | 1.Standard export packaging (Plywood Case Of Outside, Plastic Cloth Of Inside). 2:As Customers' Requirements | |
| Flange Heat Treatment |
Normalizing, Annealing, Quenching+Tempering | |
| Flange Certificate | TUV,ISO9001:2008;PED97/23/EC,ISO14001:2004,OHSAS18001:2007 | |
| Flange Applications | Waterworks, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry, and general pipes connecting | |
| projects etc. |
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