Front Ferrule
FAV Ferrule compression fitting consists of body, Front ferrule, Back Ferrule nut which are the crux of instrumentation tube fittings.
| PART No. | 0D1 Imperial | PART No. | 0D1 Metric |
| FCF/FF/1I | 1/16 | FCF/FF/2M | 2 |
| FCF/FF/2I | 1/8 | FCF/FF/3M | 3 |
| FCF/FF/3I | 3/16 | FCF/FF/4M | 4 |
| FCF/FF/4I | 1/4 | FCF/FF/6M | 6 |
| FCF/FF/5I | 5/16 | FCF/FF/8M | 8 |
| FCF/FF/6I | 3/8 | FCF/FF/10M | 10 |
| FCF/FF/8I | 1/2 | FCF/FF/12M | 12 |
| FCF/FF/10I | 5/8 | FCF/FF/14M | 14 |
| FCF/FF/12I | 3/4 | FCF/FF/15M | 15 |
| FCF/FF/14I | 7/8 | FCF/FF/16M | 16 |
| FCF/FF/16I | 1 | FCF/FF/18M | 18 |
| FCF/FF/20I | 1-1/4 | FCF/FF/20M | 20 |
| FCF/FF/24I | 1-1/2 | FCF/FF/22M | 22 |
| FCF/FF/32I | 2 | FCF/FF/25M | 25 |
| FCF/FF/28M | 28 | ||
| FCF/FF/30M | 30 | ||
| FCF/FF/32M | 32 | ||
| FCF/FF/38M | 38 | ||
| FCF/FF/50M | 50 |