Seat Set for Type 21 ball valves DN65-100. Each set contains 2 seats and 2 O-rings. Nominal sizes DN65 to DN100; part numbers by Seat PTFE; O-Ring EPDM, FKM, FKM-F, FKM-C.
| Type | Seat Set |
| Applicable Valves | Type 21 ball valves DN65-100 |
| Contents per Set | Each set contains 2 seats and 2 O-rings |
| Size | DN 65, 80, 100 |
| Seat Material | PTFE |
| O-Ring Material | EPDM, FKM, FKM-F, FKM-C |
| Part Numbers (Seat PTFE, O-Ring EPDM) | DN65 S21SS1E065 / DN80 S21SS1E080 / DN100 S21SS1E100 |
| Part Numbers (Seat PTFE, O-Ring FKM) | DN65 S21SS1V065 / DN80 S21SS1V080 / DN100 S21SS1V100 |
| Part Numbers (Seat PTFE, O-Ring FKM-F) | DN65 S21SS1F065 / DN80 S21SS1F080 / DN100 S21SS1F100 |
| Part Numbers (Seat PTFE, O-Ring FKM-C) | DN65 S21SS1C065 / DN80 S21SS1C080 / DN100 S21SS1C100 |
| Notes | The seat set is discontinued for DN15-50. For DN65-100 the body material must be specified. |