Mặt bích DIN 2635 PN40
      
      
        THÔNG SỐ KỸ THUẬT: 
DIN STANDARD - PN40 - 2635 WNRF
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| Nominal Bores | Outside Dia. | Dia. of Bore | D | t | C | H | S | R | H1 | G | f | Holes | h | KG | 
| ISO | ISO | 
| DIN | DIN | 
|   | do | 
| 10 | 17.2 | 13.6 | 90 | 16 | 60 | 35 | 1.8 | 4 | 6 | 40 | 2 | 4 | 14 | 0.66 | 
| 14 | 10.4 | 
| 15 | 21.3 | 17.3 | 95 | 16 | 65 | 38 | 2 | 4 | 6 | 45 | 2 | 4 | 14 | 0.75 | 
| 20 | 16 | 
| 20 | 26.9 | 22.3 | 105 | 18 | 75 | 40 | 2.3 | 4 | 6 | 58 | 2 | 4 | 14 | 1.06 | 
| 25 | 20.4 | 
| 25 | 33.7 | 28.5 | 115 | 18 | 85 | 40 | 2.6 | 4 | 6 | 68 | 2 | 4 | 14 | 1.29 | 
| 30 | 24.8 | 
| 32 | 42.4 | 37.2 | 140 | 18 | 100 | 42 | 2.6 | 6 | 6 | 78 | 2 | 4 | 18 | 1.88 | 
| 38 | 32.8 | 
| 40 | 48.3 | 43.1 | 150 | 18 | 110 | 45 | 2.6 | 6 | 7 | 88 | 3 | 4 | 18 | 2.33 | 
| 44.5 | 39.3 | 
| 50 | 60.3 | 54.5 | 165 | 20 | 125 | 48 | 2.9 | 6 | 8 | 102 | 3 | 4 | 18 | 2.82 | 
| 57 | 51.2 | 
| 65 | 76.1 | 70.3 | 185 | 22 | 145 | 52 | 2.9 | 6 | 10 | 122 | 3 | 8 | 18 | 3.74 | 
| 80 | 88.9 | 82.5 | 200 | 24 | 160 | 58 | 3.2 | 8 | 12 | 138 | 3 | 8 | 18 | 4.75 | 
| 100 | 114.3 | 107.1 | 235 | 24 | 190 | 65 | 3.6 | 8 | 12 | 162 | 3 | 8 | 22 | 6.52 | 
| 108 | 100.8 | 
| 125 | 139.7 | 131.7 | 270 | 26 | 220 | 68 | 4 | 8 | 12 | 188 | 3 | 8 | 26 | 9.07 | 
| 133 | 125 | 
| 150 | 168.3 | 159.3 | 300 | 28 | 250 | 75 | 4.5 | 10 | 12 | 218 | 3 | 8 | 26 |     11.8 | 
| 159 | 150 | 
| 200 | 219.1 | 206.5 | 375 | 34 | 320 | 88 | 6.3 | 10 | 16 | 285 | 3 | 12 | 30 | 21.5 | 
| 250 | 273 | 258.8 | 450 | 38 | 385 | 105 | 7.1 | 12 | 18 | 345 | 3 | 12 | 33 | 34.9 | 
| 267 | 252.8 | 
| 300 | 323.9 | 307.9 | 515 | 42 | 450 | 115 | 8 | 12 | 18 | 410 | 4 | 16 | 33 | 49.7 | 
| 350 | 355.6 | 338 | 580 | 46 | 510 | 125 | 8.8 | 12 | 20 | 465 | 4 | 16 | 36 | 68.1 | 
| 368 | 350.4 | 
| 400 | 406.4 | 384.4 | 660 | 50 | 585 | 135 | 11 | 12 | 20 | 535 | 4 | 16 | 39 | 96.5 | 
| 419 | 397 | 
| 500 | 508 | 479.6 | 755 | 52 | 670 | 140 | 14.2 | 12 | 20 | 615 | 4 | 20 | 42 | 117   |