Tisk
↓ Rozbalit text ↓
↑ Sbalit text ↑
Drilling of branch T-pieces without gas leakage
| Ø hole | Ø upper ring | Ø lower ring | Ø drilled hole in T-piece | |
|---|---|---|---|---|
| Mod. V44 | mm. 44 | 2" | 1"1/4 → 1"1/2 | 1" → 1"1/4 |
| Mod. V62 | mm. 62 | 2"1/2 | 1"1/4 → 2"1/2 | 1" → 2" |
| Mod. V82 | mm. 82 | 4" | 1"1/4 → 3" | 1" → 2"1/2 |
| Mod. V118 | mm. 118 | 4"1/2 | 1"1/4 → 4"1/2 | 1" → 4" |
| Mod. V130 | mm. 130 | 5" | 2" → 5"1/4 | 1" → 5" |
Plate closures model V44 to V130 are made of steel and protected against corrosion by double zinc plating, alternative solution can be of lightweight alloy Ergal. They are used up to operating pressure PN 5 bar, together with steel T-pieces which are in welded version (type 187) or cast version (type 188).
Eliška