| Pressure PN = 0.6 MPa (6 kgf/s m²) | |||||||
| Name | D, mm | D1, mm | dv, mm | b, mm | d, mm | resp., pcs. | Mass, kg. |
| Flat flange GOST 12820-80 (01) 1-15-6 st.3 (20) | 80 | 55 | 19 | 10 | 11 | 4 | 0,33 |
| Flat flange GOST 12820-80 (01) 1-20-6 st.3 (20) | 90 | 65 | 26 | 12 | 0,53 | ||
| Flat flange GOST 12820-80 (01) 1-25-6 st.3 (20) | 100 | 75 | 33 | 12 | 0,64 | ||
| Flat flange GOST 12820-80 (01) 1-32-6 st.3 (20) | 120 | 90 | 39 | 13 | 14 | 1,01 | |
| Flat flange GOST 12820-80 (01) 1-40-6 st.3 (20) | 130 | 100 | 46 | 13 | 1,21 | ||
| Flat flange GOST 12820-80 (01) 1-50-6 st.3 (20) | 140 | 110 | 59 | 13 | 1,33 | ||
| Flat flange GOST 12820-80 (01) 1-65-6 st.3 (20) | 160 | 130 | 78 | 13 | 1,63 | ||
| Flat flange GOST 12820-80 (01) 1-80-6 st.3 (20) | 185 | 150 | 91 | 15 | 18 | 2,44 | |
| Flat flange GOST 12820-80 (01) 1-100-6 st.3 (20) | 205 | 170 | 110 | 15 | 2,85 | ||
| Flat flange GOST 12820-80 (01) 1-125-6 st.3 (20) | 235 | 200 | 135 | 17 | 8 | 3,88 | |
| Flat flange GOST 12820-80 (01) 1-150-6 st.3 (20) | 260 | 225 | 161 | 17 | 4,39 | ||
| Flat flange GOST 12820-80 (01) 1-200-6 st.3 (20) | 315 | 280 | 222 | 19 | 5,89 | ||
| Flat flange GOST 12820-80 (01) 1-250-6 st.3 (20) | 370 | 335 | 273 | 20 | 12 | 7,67 | |
| Flat flange GOST 12820-80 (01) 1-300-6 st.3 (20) | 435 | 395 | 325 | 20 | 22 | 10,28 | |
| Flat flange GOST 12820-80 (01) 1-350-6 st.3 (20) | 485 | 445 | 377 | 22 | 12,58 | ||
| Flat flange GOST 12820-80 (01) 1-400-6 st.3 (20) | 535 | 495 | 426 | 24 | 16 | 15,2 | |
| Flat flange GOST 12820-80 (01) 1-500-6 st.3 (20) | 640 | 600 | 530 | 25 | 19,72 | ||
| Flat flange GOST 12820-80 (01) 1-600-6 st.3 (20) | 755 | 705 | 630 | 25 | 26 | 20 | 26,24 |
| Flat flange GOST 12820-80 (01) 1-800-6 st.3 (20) | 975 | 920 | 820 | 27 | 30 | 24 | 46,14 |
| Flat flange GOST 12820-80 (01) 1-1000-6 st.3 (20) | 1 175 | 1 120 | 1 020 | 31 | 28 | 64,36 | |
| Flat flange GOST 12820-80 (01) 1-1200-6 st.3 (20) | 1 400 | 1 340 | 1 220 | 34 | 33 | 32 | 99,03 |