Description
Description of forged gost steel flange (GOST12820-80)
* Size: 1/2” to 60”, DN 12mm to DN 2000mm
* Pressure class: Class 150 to Class 2,500, PN 2.5 to PN 250
* Facing: RF / RTJ
* Material:
Cabon steel: A105, A350 LF2, C22.8, S355JR
Stainless steel: A182 F304/F304L/F316/F316L/F321
Alloy steel: F11, F12
* Packing: plywood case and plywood pallet
* Facing Method:rust preventing oil ,paint ,electric galvanized ,hot treatment
* Certification:ISO,TUV,AD
* Applications range:petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation, boiler heat exchanger, other
* Type:WN ,SO
Other Detailed Product Information
| Country Standard | Standard Code | Type | Nominal pipe size | Pressure rating |
| American Standard FLange Series | ANSI B16.5 | WN,SW,SO,BL,THR,RTJ | 1/2”-24” | Class150.300.400.600.900.2500. |
| ASME B16.47 SeriesA(MSS SP-44) | WN,BL | 26”-60” | Class150.300.400.600.900 | |
| ASME B16.47 SeriesB (API 605) | WN,BL | 26”-60” | Class75.150.300.400.600.900 | |
| BS 3293 | WN,SO | 26”-48” | Class150.300.400.600. | |
| ANSI B 16.36 Orifice Flange | WN,SO,THR,RTJ | 1/2”-24” | Class150.300.400.600.900 .1500 | |
| ANSI B 16.5 | LWN | 1/2”-24” | Class150.300.400.600.900 .2500 | |
| AWWA C 207flange | Ring(Hub)flange | 3”-144” | Class B.D.E.F | |
| British Standard | BS4504 | WN,SO,PL,BL | DN10-DN2000 | PN6,10,16,25,40 |
| EuropeStandard | EN1092 | WN,SO,BL,PL | DN10-DN4000 | PN2,5,6,25.40.100.160.250.320.400 |
| Russian Standard | GOST12820-80 | WN,SO | DN10-DN1200 | PN6.10.16.25.40.63 |
| Japan standard | JIS B2220/KS | PL,SO,WN | DN10—DN1000 | 5K,10K,16K,20K,30K |
| Italy standard | UNI | WN,PL,BL SO | DN10—DN2000 | PN2.5.6.10.16.25.40.64.100.160.250 |
