1-833-DELVAL1
Series 7/ 8 Trunnion Mounted Ball
Description:
Default firesafe design and NACE versions available.
| Body Type | Flanged (RF, RTJ), Buttweld |
| Body | CS, SS, Duplex SS |
| Ball | CS + ENP, CF8M, CF3M, Duplex SS |
| Stem | 410 SS, 316 SS, 304 SS, XM-19, Duplex SS |
| Seat | RTFE, PEEK, Devlon, Nylon, Viton |
| Seat Seal | HNBR, FKM |
| Size Range | Series 7 - 2" to 14“ (DN 50 to 350) Series 8 - 16” to 24” (DN 400 to 600) |
| Pressure Rating | Class 150 - 1500 Full and Reduced Bores |
| Design Standard | API 6D, ASME B16.34 |
| Testing Standard | API 6D, API 598, ISO 5208 |
Features
- Cast body with ISO 5211 top plate for direct mounting
- Double seal combination of O-rings and fire safe spiral wound gasket for perfect body joint sealing
- O-ring stem sealing with (2) pre-energized graphite seals for emission control
- SPE x SPE seats as standard (DBB). DPE x DPE seats (DIB-1) and SPE x DPE seats (DIB-2) available
- Primary soft seal and a secondary metal seat for fire safe design
- Anti-blowout proof stem design
- Fully machined body bore provides less resistance to flow hence increasing flow