Standard nominal sizes in bold
| DN | 31 |
| Size | 20 |
| Inch | 1.1/4 |
| Thread + standard | JIC threaded adapter, 74 ° cone with union nut, UN / UNF thread |
| Connection thread A | 1.5/8"-12 UN |
| X [mm] | 46,0 |
| L1 [mm] | 124,0 |
| SW1 [mm] | 50 |
| Connection name Indunorm | yes |
| Connection type | DKJ |