Series 500 > 581
F.F. check valve
F.F. check valve
| Cod. | Ref. | A | B | D | L1 | L2 | L | Es | Conf. |
|---|---|---|---|---|---|---|---|---|---|
| E9001901 | 581 | M5 | M5 | 2.8 | 6 | 8 | 31 | 13 | 10 |
| E9001900 | 581 | 1/8 | 1/8 | 5 | 8 | 6 | 24 | 10 | 10 |
| E9001902 | 581 | 1/4 | 1/4 | 7 | 9.5 | 9.5 | 37 | 16 | 10 |
| E9001904 | 581 | 3/8 | 3/8 | 8.5 | 10.5 | 10.5 | 42 | 20 | 10 |
| E9001905 | 581 | 1/2 | 1/2 | 10 | 12 | 12 | 50 | 25 | 10 |