| OUR REQUIRED DIMENSIONS(ACCORDING GOST) | ||||||||||||
| PN | DN | Mounting dimension | OD(outside diameter of the pipe),mm(dH) | Diameter of the raised face,D2 | Bolts | Thickness | GOST Weight kg/pc | |||||
| Ouioide diameter,mm,D | Bolts holes axis diameter(centers of the opposite holes),mm D1 | Inside diameter,mm(d) | Number of bolts'holes,n | Diameter of bolts'holes,mm(d) | flange ridge's height,rnm(h) | Total thickness(toghether with ridge's height)mm(h+b) | Thickness(without ridge's heighe),mm(b) | |||||
| 2.5 | 20 | 90 | 65 | 26 | 25 | 50 | 4 | 11 | 2 | 14 | 12 | 0.58 |
| 25 | 100 | 75 | 33 | 32 | 60 | 4 | 11 | 2 | 14 | 12 | 0.64 | |
| 32 | 120 | 90 | 39 | 38 | 70 | 4 | 14 | 2 | 15 | 13 | 1.01 | |
| 40 | 130 | 100 | 46 | 45 | 80 | 4 | 14 | 3 | 16 | 13 | 1.21 | |
| 50 | 140 | 110 | 59 | 57 | 90 | 4 | 14 | 3 | 16 | 13 | 1.33 | |
| 65 | 160 | 130 | 78 | 76 | 100 | 4 | 14 | 3 | 18 | 15 | 1.63 | |
| 80 | 185 | 150 | 91 | 89 | 128 | 4 | 18 | 3 | 18 | 15 | 2.44 | |
| 100 | 205 | 170 | 110 | 108 | 148 | 4 | 18 | 3 | 18 | 15 | 2.85 | |
| 125 | 235 | 200 | 135 | 133 | 178 | 8 | 18 | 3 | 20 | 17 | 3.88 | |
| 150 | 260 | 225 | 161 | 159 | 202 | 8 | 18 | 3 | 20 | 17 | 4.39 | |
| 200 | 315 | 280 | 222 | 219 | 258 | 8 | 18 | 3 | 22 | 19 | 5.89 | |
| 250 | 370 | 335 | 273 | 273 | 312 | 12 | 18 | 3 | 23 | 20 | 7.67 | |
| 300 | 435 | 395 | 325 | 325 | 365 | 12 | 22 | 4 | 24 | 20 | 10.28 | |
| 350 | 485 | 445 | 377 | 377 | 415 | 12 | 22 | 4 | 26 | 22 | 12.58 | |
| 400 | 535 | 495 | 426 | 426 | 465 | 16 | 22 | 4 | 28 | 24 | 15.2 | |
| 500 | 640 | 600 | 530 | 530 | 270 | 16 | 22 | 4 | 29 | 25 | 19.72 | |
| 600 | 735 | 705 | 630 | 630 | 670 | 20 | 26 | 5 | 30 | 25 | 26.24 | |
| 800 | 975 | 920 | 820 | 820 | 880 | 24 | 30 | 5 | 32 | 27 | 46.14 | |

Verified Company
Xushui Pingyi Lu Petroleum & Oil Fittings Co., Ltd.

