GOST 12821-80 Weld Neck Flange,PN 0.6 MPa Flange, PN 1.0 MPa,PN 1.6 MPa Flange
GOST 12821-80 PN 0.6 Mpa Flange
GOST 12821-80 PN 1.0 Mpa Flange
GOST 12821-80 PN 1.6 Mpa Flange
GOST 12821-80 PN 2.5 Mpa Flange
GOST 12821-80 PN 4.0 Mpa Flange
GOST / FLAT 12821-80 Flanges
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1. Standard: GOST12821-80, ГОСТ 12821-80 фланец
2. Type: Weld Neck Flange, WN Flange (Raised Face) 3. Pressure: PN2.5Mpa 4. Size: DN15 – DN2000 5. Raw Material: CT20, RSt37.2, C22.8, S235JR, A105 6. Process: Forged |
DIMENSIONS :
gost-12821-80 Flange FLANGE PN0.6MPA
| Conditional pass Dy | d1 | b | h4 | Dm | Dn | Масса, кг | ||||
| a coupling protrusion | a protrusion | Recessed | with spike | with pazom | ||||||
| 10 | 8 | 10 | 27 | 22 | 15 | 0,34 | 0,34 | 0,32 | 0,34 | 0,33 |
| 15 | 12 | 28 | 28 | 19 | 0,40 | 0,40 | 0,38 | 0,40 | 0,40 | |
| 20 | 18 | 30 | 36 | 26 | 0,53 | 0,53 | 0,50 | 0,53 | 0,52 | |
| 25 | 25 | 12 | 42 | 33 | 0,76 | 0,77 | 0,72 | 0,75 | 0,75 | |
| 32 | 31 | 33 | 50 | 39 | 1,10 | 1,08 | 1,04 | 1,08 | 1,08 | |
| 40 | 38 | 35 | 60 | 46 | 1,36 | 1,37 | 1,28 | 1,30 | 1,34 | |
| 50 | 49 | 70 | 58 | 1,53 | 1,51 | 1,44 | 1,46 | 1,47 | ||
| 65 | 66 | 88 | 77 | 1,97 | 2,06 | 1,83 | 1,72 | 1,75 | ||
| 80 | 78 | 13 | 37 | 102 | 90 | 2,76 | 2,76 | 2,80 | 2,65 | 2,72 |
| 100 | 96 | 38 | 122 | 110 | 3,35 | 3,04 | 3,03 | 3,03 | 3,04 | |
| 125 | 121 | 15 | 40 | 148 | 135 | 4,66 | 4,24 | 3,66 | 4,50 | 4,55 |
| 150 | 146 | 43 | 172 | 161 | 5,37 | 5,85 | 4,93 | 5,29 | 5,35 | |
| (175) | 177 | 17 | 47 | 210 | 196 | 7,32 | 8,10 | 6,92 | 7,11 | 7,16 |
| 200 | 202 | 50 | 235 | 222 | 8,37 | 9,35 | 7,75 | 7,98 | 8,05 | |
| (225) | 226 | 260 | 248 | 9,45 | 9,25 | 8,72 | 8,98 | 9,06 | ||
| 250 | 254 | 18 | 288 | 278 | 10,99 | 10,69 | 10,14 | 12,20 | 12,30 | |
| 300 | 303 | 340 | 330 | 14,82 | 14,28 | 14,10 | 13,81 | 14,11 | ||
| 350 | 351 | 390 | 382 | 17,69 | 18,65 | 17,64 | 16,35 | 16,72 | ||
| 400 | 398 | 440 | 432 | 20,55 | 19,69 | 19,30 | 18,83 | 19,31 | ||
| (450) | 450 | 494 | 484 | 23,63 | 23,60 | 21,90 | 21,62 | 22,24 | ||
| 500 | 501 | 19 | 545 | 535 | 26,63 | 29,10 | 25,90 | 24,44 | 25,10 | |
| 600 | 602 | 55 | 650 | 636 | 35,79 | 35,60 | 33,40 | 37,49 | 33,67 | |
| (700) | 692 | 740 | 726 | 44,31 | 44,10 | 41,10 | 40,60 | 41,86 | ||
| 800 | 792 | 60 | 844 | 826 | 56,17 | 55,20 | 52,20 | 51,67 | 53,36 | |
| (900) | 892 | 21 | 944 | 926 | 66,79 | – | – | – | – | |
| 1000 | 992 | 1044 | 1028 | 73,51 | ||||||
| 1200 | 1192 | 23 | 70 | 1248 | 1228 | 111,43 | ||||
| 1400 | 1392 | 27 | 85 | 1456 | 1428 | 156,58 | ||||
| 1600 | 1592 | 32 | 95 | 1660 | 1628 | 218,57 | ||||
