Stem Assembly for Type 21 ball valves (DN15-100) and Type 21a ball valves (DN15-50). Nominal sizes DN15 to DN100; part numbers by Ball PVC-U, PVC-C, PP, PVDF; Seat EPDM, FKM.
| Type | Stem Assembly |
| Applicable Valves | Type 21 ball valves (DN15-100) and Type 21a ball valves (DN15-50) |
| Size | DN 15, 20, 25, 32, 40, 50, 65, 80, 100 |
| Ball Material | PVC-U, PVC-C, PP, PVDF |
| Seat Material | EPDM, FKM |
| Part Numbers (Ball PVC-U, Seat EPDM) | DN15 S2ASAUE015 / DN20 S2ASAUE020 / DN25 S2ASAUE025 / DN32 S2ASAUE032 / DN40 S2ASAUE040 / DN50 S2ASAUE050 / DN65 S21SAUE065 / DN80 S21SAUE080 / DN100 S21SAUE100 |
| Part Numbers (Ball PVC-U, Seat FKM) | DN15 S2ASAUV015 / DN20 S2ASAUV020 / DN25 S2ASAUV025 / DN32 S2ASAUV032 / DN40 S2ASAUV040 / DN50 S2ASAUV050 / DN65 S21SAUV065 / DN80 S21SAUV080 / DN100 S21SAUV100 |
| Part Numbers (Ball PVC-C, Seat EPDM) | DN15 S2ASACE015 / DN20 S2ASACE020 / DN25 S2ASACE025 / DN32 S2ASACE032 / DN40 S2ASACE040 / DN50 S2ASACE050 / DN65 S21SACE065 / DN80 S21SACE080 / DN100 S21SACE100 |
| Part Numbers (Ball PVC-C, Seat FKM) | DN15 S2ASACV015 / DN20 S2ASACV020 / DN25 S2ASACV025 / DN32 S2ASACV032 / DN40 S2ASACV040 / DN50 S2ASACV050 / DN65 S21SACV065 / DN80 S21SACV080 / DN100 S21SACV100 |
| Part Numbers (Ball PP, Seat EPDM) | DN15 S21SAPE015 / DN20 S21SAPE020 / DN25 S21SAPE025 / DN32 S21SAPE032 / DN40 S21SAPE040 / DN50 S21SAPE050 / DN65 S21SAPE065 / DN80 S21SAPE080 / DN100 S21SAPE100 |
| Part Numbers (Ball PP, Seat FKM) | DN15 S21SAPV015 / DN20 S21SAPV020 / DN25 S21SAPV025 / DN32 S21SAPV032 / DN40 S21SAPV040 / DN50 S21SAPV050 / DN65 S21SAPV065 / DN80 S21SAPV080 / DN100 S21SAPV100 |
| Part Numbers (Ball PVDF, Seat EPDM) | DN15 S21SAFE015 / DN20 S21SAFE020 / DN25 S21SAFE025 / DN32 S21SAFE032 / DN40 S21SAFE040 / DN50 S21SAFE050 / DN65 S21SAFE065 / DN80 S21SAFE080 / DN100 S21SAFE100 |
| Part Numbers (Ball PVDF, Seat FKM) | DN15 S21SAFV015 / DN20 S21SAFV020 / DN25 S21SAFV025 / DN32 S21SAFV032 / DN40 S21SAFV040 / DN50 S21SAFV050 / DN65 S21SAFV065 / DN80 S21SAFV080 / DN100 S21SAFV100 |