Flanges are used in pairs, threaded flanges can be used for low pressure pipes, welded flanges are used for pressures above 4 kg. Put a gasket between the two flannels and bolt them down. Flanges at different pressures have different thicknesses, and they use different bolts. Pumps and valves, when connected to pipes, are also made into the corresponding flange shape, also known as flange connection.
| Material | Stainless Steel: SS304, SS316, SS304L, SS316L, SS321, SS310 ,1.4401, 1.4403 Duplex Stainless Steel: 9041L 2205, 2507, 254SMO, etc |
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| Type | Plate, Slip-on , Welding Neck, Blind, Threaded, Socked Weld, Loose, RTJ | |
| Class | 150# 300# 400# 600# 900# 1500# 2500# PN6 PN10 PN16 PN25 PN40 PN63 5K 10K 20K 30 | |
| Standard | ANSI/ASME B16.5, BS4505, GOST12820-80, DIN, UNI, EN1092-1, JIS/KS | |
| Size | 1/2"NB to 48"NB | |
| Application | For Water, Oil and Gas Industrial | |
| Certificate | CE / ISO / SGS | |
| Connection | RF FF RTJ | |
| Pressure Rating | Class 150-Class 2500 PN6-PN16 | |
| Facing | RF/FF/RJ | |
| Surface treatment | Antirust Oil,Black Paint,Yellow paint,Galvanized | |
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