Valvole di ritegno a sfera filettate
1.Standard: Conforme à API / DIN
2.Connection: BSP / BSPT / NPT
3.Material: Cast Iron / Ductile Iron
4.Normal Pressure: PN10/16,ANSI 125/150
5.Size: DN25-DN80
Materiale | ITEM | Part | Materiale |
| 1 | corpu | Ferru duttile |
| 2 | Ballu | AL & EPDM/DI & EPDM |
| 3 | Guarnizione | NBR/EPDM |
| 4 | Bonnet | Ferru duttile |
| 5 | Bulloni | Inossidabile |
| DN | L | G | L1 |
| 25 | 140 | 1" | 19.1 |
| 32 | 140 | 1,25" | 21.4 |
| 40 | 145 | 1,5" | 21.4 |
| 50 | 170 | 2" | 25.7 |
| 65 | 210 | 2,5" | 30.2 |
| 80 | 240 | 3" | 33.3 |
