
7˚ INSL Ref.
| P | Steel | |
| M | Stainless | |
| K | Cast iron | |
| N | Non-ferrous | |
| S | Superalloys | : First choice |
| : Second choice | ||
| H | Hard materials | |
| Cermet Coated | ||
| External |
| Designation Seat | RE | INSL h | ||||
| size | CW±0.02 | |||||
| Internal | DTR300-150 | 3 | 3 | 1.5 | 20 | 5 |
| DTR400-200 | 4 | 4 | 2 | 20 | 5 | |
| DTR478-239 | 5 | 4.78 | 2.39 | 25 | 5.5 | |
| Face | DTR500-250 | 5 | 5 | 2.5 | 25 | 5.5 |
| DTR600-300 | 6 | 6 | 3 | 25 | 5.5 |
: Line up Parting
7˚ INSL Ref.
| P | Steel | |
| M | Stainless | |
| K | Cast iron | |
| N | Non-ferrous | |
| S | Superalloys | : First choice |
| : Second choice | ||
| H | Hard materials |
| Coated | Cermet | Uncoated | ||
| Designation | Seat |
| CW±0.05 | RE | INSL h | |
| size |
| DTR3-150 | 3 | 3 | 1.5 | | | | 20 | 5 | |
| DTR4-200 | 4 | 4 | 2 | | | | 20 | 5 | |
| DTR5-250 | 5 | 5 | 2.5 | | | | 25 | 5.5 | |
| DTR6-300 | 6 | 6 | 3 | | | | 25 | 5.5 |
䖃 : Line up