"Cromax" Retention valves:
- Inox 304 viton seat threaded ends DIN 259 Temp. Working: min.
-25ºC max. + 150ºC working pressure: 16 bar opening pressure: 0.03 bar.
| Measure | Inch | Total Outside Diameter in MM | Height |
| DN 8 | 1/4" | 32 | 54 |
| DN 12 | 3/8" | 32 | 54 |
| DN 15 | 1/2" | 32 | 54 |
| DN 20 | 3/4" | 44 | 68 |
| DN 25 | 1" | 53 | 83 |
| DN 32 | 1 1/4" | 62 | 102 |
| DN 40 | 1 1/2" | 78 | 115 |
| DN 50 | 2" | 86 | 120 |
| DN 65 | 2 1/2" | 108 | 145 |
| DN 80 | 3" | 128 | 160 |