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Polyamide thread with ØA dimensions according to BSP thread specifications.
| Variant | Dimension ØB | Dimension ØD | Dimension C | Dimension E |
| 1/2'' | 14 mm | 40 mm | 85 mm | 39 mm |
| 1 1/4'' | 32 mm | 62 mm | 107 mm | 53 mm |
| 2'' | 51 mm | 90 mm | 120 mm | 65 mm |






