Design Features
1. Adjustable fire-safe stem packing
2. Machined fire-lip act as meta backup seat has excellent fire-safe capability
3. Anti-blow out stem
4. Anti-static device
5. Full rated bi-directional shut-off
6. Optional lockable handle
7. Spiral wound gasket,prevent external leakage
8. Full rated dead end service
Main Parameter Specifications
1. Design and Manufacture: DIN3357/EN12516
2. Face to Face : DIN3202/EN558-1
DN50-DN100(F4)
DN125-DN200(F5)
3. End Flange Dimensions : DIN2533/EN1092-2/ISO7005-2
4. Nominal Pressure : 1.6Mpa
5. Pressure test : ISO5208
6. Materials: EN-JL 1040 or EN-GJL-250 (GG25) cast iron, ductile iron
Main parts and materials
| No. | Part Name | Material |
| 1 | Body | Cast Iron (FC200/FCD-S) |
| 2 | Bonnet | Cast Iron ( FC200/FCD-S ) |
| 3 | Nut | Carbon steel |
| 4 | Bolting | Carbon steel |
| 5 | Ball | Stainless steel(SS304/SS316) |
| 6 | Seat | PTFE/RPTFE/TFM1600 |
| 7 | Gasket | PTFE |
| 8 | Stem | Stainless steel(SS304/SS316) |
| 9 | Stem packing | PTFE |
| 10 | Gland flange | Cast Iron (FC200) |
| 11 | Stop collar | Carbon steel |
| 12 | Circlip | Steel |
| 13 | Lever | Ductile iron (FCD450) |
| 14 | Gland boltl | Carbon steel |


