Stainless steel flange GOST 12821-80; GOST 12820-80 flange adopts forging process, specification: DN10-DN2400; PN0.1-25; Suitable for liquid, particle, and gas transportation pipelines, such as chemical, refining, boilers, electricity, food, and other fields.
Vase (mm)
| Completely passed | PY 0.1 and 0.25 (1 and 25 kg/cm²) | |||||
| dH | dB | b | Quality, kg | |||
c M | c M | c Depression | ||||
| 10 | 14 | 15 | 8 | 0.25 | 0.25 | 0.24 |
| 15 | 18 | 19 | 8 | 0.29 | 0.29 | 0.27 |
| 20 | 25 | 26 | 10 | 0.45 | 0.45 | 0.42 |
| 25 | 32 | 33 | 10 | 0.55 | 0.55 | 0.52 |
| 32 | 38 | 39 | 10 | 0.79 | 0.79 | 0.75 |
| 40 | 45 | 46 | 10 | 0.95 | 0.93 | 0.90 |
| 50 | 57 | 59 | 10 | 1.04 | 1.02 | 0.98 |
| 65 | 76 | 78 | 11 | 1.39 | 1.37 | 1.32 |
| 80 | 89 | 91 | 11 | 1.84 | 1.79 | 1.74 |
| 100 | 108 (A) | 110 | 11 | 2.14 | 2.11 | 2.01 |
| 114 (b) | 116 | 11 | 2.05 | 1.99 | 1.92 | |
| 125 | 133 (A) | 135 | 13 | 2.60 | 2.56 | 2.42 |
| 140 (b) | 142 | 13 | 2.47 | 2.38 | 2.29 | |
| 152 (A) | 154 | 13 | 3.61 | 3.62 | 3.41 | |
| 150 | 159 (A) | 161 | 13 | 3.43 | 3.39 | 3.23 |
| 168 (B) | 170 | 13 | 3.20 | 3.09 | 3.00 | |
| (175) | 194 | 196 | 13 | 3.77 | 3.73 | 3.55 |
| 200 | 219 | 222 | 15 | 4.73 | 4.69 | 4.48 |
| (225) | 245 | 245 | 17 | 5.93 | 5.95 | 5.64 |
| 250 | 273 | 273 | 18 | 6.95 | 6.92 | 6.62 |
| 300 | 325 | 325 | 18 | 9.33 | 9.22 | 8.79 |
| 350 | 377 | 377 | 18 | 10.45 | 10.33 | 9.87 |
| 400 | 426 | 426 | 18 | 11.64 | 11.51 | 9.96 |
| (450) | 480 | 480 | 20 | 14.56 | 14.35 | 13.82 |
| 500 | 530 | 530 | 20 | 16.01 | 15.86 | 15.15 |
| 600 | 630 | 630 | 20 | 21.35 | 21.03 | 20.08 |
| (700) | 720 | 720 | 21 | 29.15 | 28.73 | 27.13 |
| 800 | 820 | 820 | 21 | 36.63 | 36.15 | 34.14 |
| (900) | 920 | 920 | 23 | 44.20 | - | - |
| 1000 | 1020 | 1020 | 25 | 52.58 | - | - |
| 1200 | 1220 | 1220 | 25 | 62.36 | - | - |
| 1400 | 1420 | 1420 | 27 | 77.60 | - | - |
| 1600 | 1620 | 1620 | 27 | 94.30 | - | - |
| (1800) | 1820 | 1820 | 30 | 116.60 | - | - |
| 2000 | 2020 | 2020 | 30 | 132.98 | - | - |
| (2200) | 2220 | 2220 | 36 | 190.30 | - | - |
| 2400 | 2420 | 2420 | 41 | 237.22 | - | - |
KIDY is a service-oriented enterprise with a complete range of steel grades; Regular materials and other specifications are available for long-term delivery of flange blanks. The packaging is made in export wooden boxes, and special size requirements can be customized,
Customer Satisfaction Is Our Honor. Feel free to enquiry us any questions of pipeline materials.
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