BS4622-1970 Single Spigot Cast Iron Drain Pipe with Flexible Rubber Ring
Cast Iron Pipe conforming to BS4622：1970
Material: Grey Cast Iron
Size: DN100-DN700
Internal and external Coating: Black bitumen
| DN | External diameter DE (mm) | DE Tolerance | Approx Mass of Socket (kg) | Nominal Wall Value（e) | Wall Tolerance | Mass of pipe (kg)±5% | Length (mm) L |
| DN100 | 118 | +1.5/-3.5 | 7.10 | 7.50 | -(1+0.05e) | 90.00 | 4000±20 |
| DN150 | 170 | 11.50 | 8.30 | -(1+0.05e) | 136.00 | 4000±20 | |
| DN200 | 222 | 16.80 | 9.20 | -(1+0.05e) | 193.00 | 4000±20 | |
| DN250 | 274 | 22.90 | 10.00 | -(1+0.05e) | 265.00 | 4000±20 | |
| DN300 | 326 | +1.5/-4.0 | 29.80 | 10.80 | -(1+0.05e) | 329.00 | 4000±20 |
| DN350 | 378 | 37.50 | 11.70 | -(1+0.05e) | 426.00 | 4000±20 | |
| DN400 | 429 | 46.30 | 12.50 | -(1+0.05e) | 520.00 | 4000±20 | |
| DN450 | 480 | 55.70 | 13.30 | -(1+0.05e) | 760.00 | 5000±20 | |
| DN500 | 532 | 66.00 | 14.20 | -(1+0.05e) | 892.00 | 5000±20 | |
| DN600 | 635 | +2.0/-4.5 | 89.30 | 15.80 | -(1+0.05e) | 1188.30 | 5000±20 |
| DN700 | 738 | 116.80 | 17.50 | -(1+0.05e) | 1532.80 | 5000±20 |